| No. | Class | F.M. Whyte | Gauge | Railroad Line | Location | Status | Builder Info | Notes |
| 12 | | 0-6-0T | 4'-8½" | Central Electricity Generating Board | Ferryhill Railway Heritage Centre, Aberdeen, SCT | <div style="color: #FFC107;">restoration</div> | Robert Stephenson & Hawthorns #7846, 1955 | Named North Downs. |
| 30 | | 0-4-0ST | 4'-8½" | Scottish Gas (National Coal Board) | Seaton Park, Aberdeen, SCT | <div style="color: #007BFF;">display</div> | Andrew Barclay Sons & Co. #2239, 1947 | Named Mr Therm. |
| 1 | | 0-4-0ST | 4'-8½" | Dailuaine Distillery | Dewar''s Aberfeldy Distillery, Aberfeldy, SCT | <div style="color: #007BFF;">display</div> | Andrew Barclay Sons & Co. #2073, 1939 | Named Dailuaine. |
| 18BG | | 0-4-4T | 24" | Kowloon-Canton Railway | Vale of Rheidol Railway, Aberystwyth, WAL | <div style="color: #FFC107;">restoration</div> | W. G. Bagnall #2228, 1924 | Actual gauge is 23.75'. One of only four Chinese steam locomotives in the UK. |
| 9 (1213) | | 0-6-2T | 23¾" | Vale of Rheidol Railway | Vale of Rheidol Railway, Aberystwyth, WAL | <div style="color: #28A745;">operational</div> | Davies & Metcalfe, 1902 | Named Prince of Wales. |
| 99.3553 | | 0-6-2WT+T | 23¾" | Mecklenburg-Pommersche Schmalspurbahn | Vale of Rheidol Railway, Aberystwyth, WAL | <div style="color: #007BFF;">display</div> | Arnold Jung Lokomotivfabrik #1261, 1908 | Named Graf Schwerin-Lowitz. From the Brecon Mountain Railway, Merthyr Tydfil. |
| 8 | | 2-6-2T | 23¾" | GWR | Vale of Rheidol Railway, Aberystwyth, WAL | <div style="color: #28A745;">operational</div> | GWR Swindon Works, 1923 | Named Llywelyn. |
| 1077 | TR1 | 2-8-2 | 5' | Finish St RY | Inca Business Park, Acton, ENG | <div style="color: #DC3545;">stored</div> | Arnold Jung Lokomotivfabrik #11787, 1953 | |
| 6 | | 4wVBGT | 4'-8½" | Ministry of Defence | Alderney Railway, Alderney, JER | scrapped | Sentinel Waggon Works (Shrewsbury) #6909, 1927 | Named Molly. Abandoned near the Mannez Quarry in the 1980s. Scrapped in early 2024. |
| 3 | | 0-4-0ST | 4'-8½" | Aberdeen Gas Works | Grampian Transport Museum, Alford, SCT | <div style="color: #007BFF;">display</div> | Andrew Barclay Sons & Co. #1889, 1926 | |
| 1 | | 0-6-0T | 4'-8½" | National Coal Board | Watercress Line (Mid Hants Railway), Alresford, ENG | <div style="color: #28A745;">operational</div> | Hunslet Engine Co. #3781, 1952 | Named Thomas. Converted from an 0-6-0ST type in 1994. |
| 92212 | 9F | 2-10-0 | 4'-8½" | BR | Watercress Line (Mid Hants Railway), Alresford, ENG | <div style="color: #FFC107;">overhaul</div> | BR Swindon Works, 07/1959 | Owned by the Locomotive Services Ltd. Restored to operation in Sep 1996. Taken out of service in 2006. Returned to operation on Sep 11, 2009. Taken out of service again on Dec 31, 2019. |
| 75079 | 4MT (Standard 2) | 4-6-0 | 4'-8½" | BR | Watercress Line (Mid Hants Railway), Alresford, ENG | <div style="color: #FFC107;">restoration</div> | BR Swindon Works, 11/1956 | |
| 73096 | 5MT (Standard) | 4-6-0 | 4'-8½" | BR | Watercress Line (Mid Hants Railway), Alresford, ENG | <div style="color: #FFC107;">overhaul</div> | BR Derby Works, 11/1955 | Withdrawn from service with BR in 1967. Restored to operation in Oct 1993. Suffered a catastrophic cylinder failure on Mar 14, 2009. Returned to operation in 2010. Taken out of service again in 2011. |
| 499 | S15 | 4-6-0 | 4'-8½" | LSWR | Watercress Line (Mid Hants Railway), Alresford, ENG | <div style="color: #FFC107;">restoration</div> | LSWR Eastleigh Works, 1920 | |
| 506 | S15 | 4-6-0 | 4'-8½" | LSWR | Watercress Line (Mid Hants Railway), Alresford, ENG | <div style="color: #28A745;">operational</div> | LSWR Eastleigh Works, 1920 | |
| 850 | LN | 4-6-0 | 4'-8½" | Southern | Watercress Line (Mid Hants Railway), Alresford, ENG | <div style="color: #28A745;">operational</div> | SR Eastleigh Works, 08/1926 | Named Lord Nelson. |
| 45379 | 5MT (5) | 4-6-0 | 4'-8½" | BR (LMS) | Watercress Line (Mid Hants Railway), Alresford, ENG | <div style="color: #28A745;">operational</div> | Sir W.G. Armstrong Whitworth & Co. #1435, 07/1937 | |
| 34007 (C107) | 7P 5FA (West Country) | 4-6-2 | 4'-8½" | BR (Southern) | Watercress Line (Mid Hants Railway), Alresford, ENG | <div style="color: #FFC107;">overhaul</div> | SR Brighton Works, 08/1945 | Named Wadebridge. Owned by the Mid Hants Railway Preservation Society and the Wadebridge 34007 Locomotive Ltd. Restored to operation in Oct 2006. Taken out of service in Mar 2016. Expected to return to operation sometime in 2026. |
| 35005 (C5) | 8P (Merchant Navy) | 4-6-2 | 4'-8½" | BR (Southern) | Watercress Line (Mid Hants Railway), Alresford, ENG | <div style="color: #28A745;">operational</div> | SR Eastleigh Works, 1941 | Named Canadian Pacific. Owned by the Mid Hants Railway Preservation Society. Restored to operation in 1989. Painted in the BR express passenger blue livery from 1996 to 2001. Taken out of service in 2006. Returned to operation on Mar 1, 2025. |
| 4464 (60019) | A4 | 4-6-2 | 4'-8½" | LNER (BR) | Watercress Line (Mid Hants Railway), Alresford, ENG | <div style="color: #FFC107;">overhaul</div> | LNER Doncaster Works #1866, 12/1937 | Named Bittern. Owned by Locomotive Services Ltd. Masqueraded as LNER 4492 'Dominion of New Zealand' in 2011. Taken out of service in late 2014. Placed on temporary display in Margate, ENG. Being overhauled at LNWR Heritage Ltd, Crewe, ENG. |
| 6 | | 0-4-0T | 24" | Minas y Ferrocarril de Utrillas | South Tynedale Railway, Alston, ENG | <div style="color: #28A745;">operational</div> | Henschel & Son #19047, 1918 | Named Thomas Edmondson. |
| | 0-6-2ST | 24" | Harrogate Gas Works | South Tynedale Railway, Alston, ENG | <div style="color: #28A745;">operational</div> | Thomas Green & Son #441, 1908 | Named Barber. |
| | 0-4-0ST | 24" | Cliffe Hill Mineral Railway | Amberley Museum & Heritage Centre, Amberley, ENG | <div style="color: #28A745;">operational</div> | W. G. Bagnall #2067, 1917 | Named Peter. |
| 23 | | 0-4-0T | 22" | Arthur Guinness, Son & Co | Amberley Museum & Heritage Centre, Amberley, ENG | <div style="color: #007BFF;">display</div> | Wm. Spence (Dublin), 1921 | |
| | 2-4-0T | 24" | Groudle Glen Railway | Amberley Museum & Heritage Centre, Amberley, ENG | <div style="color: #28A745;">operational</div> | W. G. Bagnall #1781, 1905 | Named Polar Bear. |
| 9 | | 0-4-0ST | 24" | Granton Gas Works | Amerton Railway, Amerton, ENG | <div style="color: #FFC107;">overhaul</div> | Andrew Barclay Sons & Co. #1871, 1925 | Named Jack. |
| | 0-4-0ST | 24" | Cliffe Hill Mineral Railway | Amerton Railway, Amerton, ENG | <div style="color: #28A745;">operational</div> | W. G. Bagnall #1491, 1897 | Named Isabel. |
| | 0-4-0ST | 24" | Statfold Barn Railway | Amerton Railway, Amerton, ENG | <div style="color: #28A745;">operational</div> | Hunslet Engine Co. #3905, 2008 | Named Jennie. Previously named Howard. |
| | 0-4-0WT | 18" | John Knowles | Leeds Industrial Museum at Armley Mills, Armley Mills, ENG | <div style="color: #28A745;">operational</div> | Hunslet Engine Co. #684, 1898 | Named Jack. |
| | 0-4-0ST | 4'-8½" | Central Electricity Generating Board | Strathspey Railway, Aviemore, SCT | <div style="color: #FFC107;">restoration</div> | Robert Stephenson & Hawthorns #7386, 1948 | Named Birkenhead. |
| 2 | | 0-4-0ST | 4'-8½" | Balmenach Distillery | Strathspey Railway, Aviemore, SCT | <div style="color: #DC3545;">stored</div> | Andrew Barclay Sons & Co. #2020, 1936 | Named Balmenach. |
| 828 | 812 | 0-6-0 | 4'-8½" | Caledonian Railway | Strathspey Railway, Aviemore, SCT | <div style="color: #28A745;">operational</div> | St. Rollox, 1899 | Basis for Donald and Douglas. |
| | 0-6-0ST | 4'-8½" | Stewarts & Lloyds | Strathspey Railway, Aviemore, SCT | <div style="color: #28A745;">operational</div> | Andrew Barclay Sons & Co. #2139, 1942 | Named Salmon. |
| 75061 | | 0-6-0ST | 4'-8½" | War Dept. | Strathspey Railway, Aviemore, SCT | <div style="color: #FFC107;">restoration</div> | Robert Stephenson & Hawthorns #7097, 1943 | Named Cairngorm. |
| 17 | | 0-6-0T | 4'-8½" | Wemyss Private Railway | Strathspey Railway, Aviemore, SCT | <div style="color: #FFC107;">restoration</div> | Andrew Barclay Sons & Co. #2017, 1935 | Named Braeriach. |
| 92219 | 9F | 2-10-0 | 4'-8½" | BR | Strathspey Railway, Aviemore, SCT | <div style="color: #FFC107;">restoration</div> | BR Swindon Works, 01/1960 | From Buxton, ENG, then the Midland Railway Centre, Butterley, ENG, then the Wensleydale Railway, North Yorkshire, ENG. Previously used as a source of spare parts for sister BR 9F class 92214 'Central Star'. |
| 46512 | 2MT | 2-6-0 | 4'-8½" | BR | Strathspey Railway, Aviemore, SCT | <div style="color: #28A745;">operational</div> | BR Swindon Works, 1952 | Named E. V. Cooper, Engineer. Restored to operation in Oct 2000. Taken out of service in Apr 2016. Masqueraded as BR 46464 in Aug 2018. Taken out of service again in Nov 2020. Returned to operation in Mar 2022. |
| 76079 | 4MT | 2-6-0 | 4'-8½" | BR | Strathspey Railway, Aviemore, SCT | <div style="color: #FFC107;">overhaul</div> | BR Horwich Works, 02/1957 | From the North Yorkshire Moors Railway, Pickering, ENG. |
| 46464 | 2MT | 2-6-0 | 4'-8½" | BR | Strathspey Railway, Aviemore, SCT | <div style="color: #28A745;">operational</div> | BR Crewe Works, 1950 | |
| 5025 (45025) | 5MT (5) | 4-6-0 | 4'-8½" | LMS | Strathspey Railway, Aviemore, SCT | <div style="color: #28A745;">operational</div> | Vulcan Foundry, 1934 | Owned by the WEC Watkinson Trust. Restored to operation in 1969. Taken out of service in 2012. Returned to operation in May 2021. Currently certified for mainline operations. |
| 7 | | 2-6-2 | 15" | Bure Valley Railway | Bure Valley Railway, Aylsham, ENG | <div style="color: #28A745;">operational</div> | Winson Engineering, 1994 | Named Spitfire. |
| 8 | | 2-6-2T | 15" | Bure Valley Railway | Bure Valley Railway, Aylsham, ENG | <div style="color: #28A745;">operational</div> | Winson Engineering, 1997 | Named John of Gaunt. Previously named Thunder. |
| 1 | | 2-6-4T | 15" | Bure Valley Railway | Bure Valley Railway, Aylsham, ENG | <div style="color: #28A745;">operational</div> | Guest Engineering & Maintenance Co., 1964 | Named Wroxham Broad. Previously named Tracey Bo. |
| 9 | | 2-6-4T | 15" | Bure Valley Railway | Bure Valley Railway, Aylsham, ENG | <div style="color: #28A745;">operational</div> | Winson Engineering, 1993 | Named Mark Timothy. |
| 35028 | 8P (Merchant Navy) | 4-6-2 | 4'-8½" | BR | Stewarts Lane TMD, Battersea, ENG | <div style="color: #28A745;">operational</div> | BR Eastleigh Works, 1948 | Named Clan Line. Owned by the Merchant Navy Locomotive Preservation Society. Restored to operation in 1974. Taken out of service in 2015. Taken out of service again in Jul 2022 due to cracks in its thermic syphons. Returned to operation in Apr 2024. |
| 1 | | 0-4-0ST | 4'-8½" | Associated Portland Cement | Beamish Museum, Beamish, ENG | <div style="color: #FFC107;">restoration</div> | Hawthorn Leslie & Co. #3715, 1928 | Arrived in Beamish Mar 27, 2025. To be cosmetically restored. |
| | 0-4-0T | 4'-8½" | Penrhyn Quarry Railway | Beamish Museum, Beamish, ENG | <div style="color: #DC3545;">stored</div> | Hunslet Engine Co. #996, 1909 | Named Edward Sholto. From Illinois. Owned by the Moseley Railway Trust. |
| | 0-4-0VBT | 4'-8½" | Dorking Greystone Lime Co. | Beamish Museum, Beamish, ENG | <div style="color: #28A745;">operational</div> | Head Wrightson & Co., 1871 | |
| 18 | | 0-4-0WT | 4'-8½" | Londonderry Railway | Beamish Museum, Beamish, ENG | <div style="color: #28A745;">operational</div> | Lewin's Engineering Works #683, 1877 | |
| 15 | | 0-4-0WT | 24" | Penrhyn Quarry Railway (Durham County Water Board) | Beamish Museum, Beamish, ENG | <div style="color: #007BFF;">display</div> | Andrew Barclay Sons & Co. #1994, 1931 | Named Glyder. Moved from the Tony Hulman estate, Terre Haue, IN in 2012. |
| 1 | | 4wG | 4'-8½" | Locomotion Trust | Beamish Museum, Beamish, ENG | <div style="color: #28A745;">operational</div> | Locomotion Enterprises, 1975 | Replica. Named Locomotion. |
| | 4wG | 4'-8½" | Pockerley Waggonway | Beamish Museum, Beamish, ENG | <div style="color: #28A745;">operational</div> | Alan Keef Ltd, 2006 | Replica. Named Puffing Billy. |
| | 6wG | 4'-8½" | Pockerley Waggonway | Beamish Museum, Beamish, ENG | <div style="color: #28A745;">operational</div> | Alan Keef Ltd, 2001 | Replica. Named Steam Elephant. |
| | 0-4-0WT | 24" | Rio Negro Dam | Devon Railway Centre, Bickleigh, ENG | <div style="color: #28A745;">operational</div> | Orenstein & Koppel #5744, 1912 | |
| 44123 (4123) | | 0-6-0 | 4'-8½" | BR (LMS) | Avon Valley Railway, Bitton, ENG | <div style="color: #FFC107;">restoration</div> | BR Crewe Works, 1925 | |
| 4015 | THk | 0-6-0ST | 4'-8½" | | Avon Valley Railway, Bitton, ENG | <div style="color: #FFC107;">out of service</div> | Fablok, 1947 | Named Karel. |
| 2 | | 0-6-0ST | 4'-8½" | Imperial Smelting Works | Avon Valley Railway, Bitton, ENG | <div style="color: #FFC107;">restoration</div> | Avonside Engine (Bristol) #1798, 1918 | Named Edwin Hulse. |
| 5 | | 0-6-0ST | 4'-8½" | Littleton Collieries Ltd. | Avon Valley Railway, Bitton, ENG | <div style="color: #DC3545;">stored</div> | Manning Wardle #2018, 1922 | |
| 9 | | 0-6-0T | 4'-8½" | Central Electricity Generating Board (Hams Hall Power Station) | Avon Valley Railway, Bitton, ENG | <div style="color: #28A745;">operational</div> | Robert Stephenson & Co. (Darlington Works) #7151, 1944 | |
| | VBgt | 4'-8½" | J S Fry & Sons | Avon Valley Railway, Bitton, ENG | <div style="color: #28A745;">operational</div> | Sentinel Waggon Works (Shrewsbury) #7492, 1928 | |
| 6686 | 5600 | 0-6-2T | 4'-8½" | GWR | NL Engineering, Blackrod, ENG | <div style="color: #DC3545;">stored</div> | Sir W.G. Armstrong Whitworth & Co. #974, 10/1928 | |
| 92245 | 9F | 2-10-0 | 4'-8½" | BR | NL Engineering, Blackrod, ENG | <div style="color: #DC3545;">stored</div> | BR Crewe Works, 11/1958 | |
| | 0-4-0ST | 4'-8½" | Royal Navy | Pontypool & Blaenavon Railway, Blaenavon, WAL | <div style="color: #28A745;">operational</div> | Andrew Barclay Sons & Co. #2201, 1945 | Named Victory. |
| 1 | | 0-4-0ST | 4'-8½" | Royal Navy | Pontypool & Blaenavon Railway, Blaenavon, WAL | <div style="color: #28A745;">operational</div> | Andrew Barclay Sons & Co. #1385, 1914 | Named Rosyth. |
| 18 | | 0-6-0ST | 4'-8½" | Eastmoors Steelworks | Pontypool & Blaenavon Railway, Blaenavon, WAL | <div style="color: #28A745;">operational</div> | Hunslet Engine Co. #1873, 1937 | Named Jessie. From the Llangollen Railway, Llangollen, Wales. |
| 71515 | | 0-6-0ST | 4'-8½" | War Dept. | Pontypool & Blaenavon Railway, Blaenavon, WAL | <div style="color: #28A745;">operational</div> | Robert Stephenson & Hawthorns #7169, 1944 | |
| TKh49 | 0-6-0T | 4'-8½" | Skawina Metal Works | Swindon & Cricklade Railway, Blunsdon, ENG | <div style="color: #28A745;">operational</div> | Fablok #3135, 1953 | Named Spartan. |
| | 0-4-0CT | 4'-8½" | Shelton Iron & Steel Co. | Foxfield Railway, Blythe Bridge, ENG | <div style="color: #28A745;">operational</div> | Dübs & Co. (Scotland) #4101, 1901 | Informally named Dubsy. Only operational crane tank steam locomotive in the world. |
| | 0-4-0ST | 4'-8½" | Beyer, Peacock & Co. | Foxfield Railway, Blythe Bridge, ENG | <div style="color: #28A745;">operational</div> | Beyer, Peacock & Co. #1827, 1879 | |
| 2 | | 0-4-0ST | 4'-8½" | Kent Electric Power Co. | Foxfield Railway, Blythe Bridge, ENG | <div style="color: #28A745;">operational</div> | W. G. Bagnall #2842, 1946 | |
| | 0-6-0ST | 4'-8½" | National Coal Board | Foxfield Railway, Blythe Bridge, ENG | <div style="color: #28A745;">operational</div> | Hunslet Engine Co. #3694, 1950 | Named Whiston. |
| 2 | | 0-6-0ST | 4'-8½" | National Coal Board | Foxfield Railway, Blythe Bridge, ENG | <div style="color: #28A745;">operational</div> | W. G. Bagnall #3059, 1954 | Named Florence. |
| | 0-6-0WT | 4'-8½" | Haydock Collieries | Foxfield Railway, Blythe Bridge, ENG | <div style="color: #28A745;">operational</div> | Haydock Foundry, 1874 | Named Bellerophon. Owned by the Vintage Carriages Trust. |
| 2 | L | 0-6-2T | 4'-8½" | NSR | Foxfield Railway, Blythe Bridge, ENG | <div style="color: #007BFF;">display</div> | NSR Stoke, 1922 | From the National Railway Museum, York, ENG. Arrived in 2016. |
| 6 | | 0-4-0CT | 4'-8½" | Colvilles Ltd. | Bo'ness & Kinneil Railway, Bo'ness, SCT | <div style="color: #007BFF;">display</div> | Andrew Barclay Sons & Co. #2127, 1942 | |
| | 0-4-0ST | 4'-8½" | Aberdeen Gas Works | Bo'ness & Kinneil Railway, Bo'ness, SCT | <div style="color: #DC3545;">stored</div> | Black Hawthorn #912, 1887 | Named City of Aberdeen. |
| 42 | G | 0-4-0ST | 4'-8½" | North British Railway | Bo'ness & Kinneil Railway, Bo'ness, SCT | <div style="color: #007BFF;">display</div> | Cowlairs, 1887 | |
| 3 | | 0-4-0ST | 4'-8½" | South Scotland Electricity Board | Bo'ness & Kinneil Railway, Bo'ness, SCT | <div style="color: #DC3545;">stored</div> | Andrew Barclay Sons & Co. #1937, 1928 | |
| | 0-4-0ST | 4'-8½" | Babcock & Wilcox | Bo'ness & Kinneil Railway, Bo'ness, SCT | <div style="color: #007BFF;">display</div> | Hawthorn Leslie & Co. #3640, 1926 | Named Lord King. |
| 5 | | 0-4-0ST | 4'-8½" | National Coal Board | Bo'ness & Kinneil Railway, Bo'ness, SCT | <div style="color: #DC3545;">stored</div> | Hunslet Engine Co. #3837, 1955 | |
| 6 | | 0-4-0ST | 4'-8½" | National Coal Board | Bo'ness & Kinneil Railway, Bo'ness, SCT | <div style="color: #FFC107;">restoration</div> | Andrew Barclay Sons & Co. #2043, 1937 | |
| | 0-4-0T | 36" | British Aluminium Co. | Bo'ness & Kinneil Railway, Bo'ness, SCT | <div style="color: #007BFF;">display</div> | Andrew Barclay Sons & Co. #840, 1899 | Named Fair Maid of Foyers. |
| 13 | | 0-4-0T | 4'-8½" | National Coal Board | Bo'ness & Kinneil Railway, Bo'ness, SCT | <div style="color: #007BFF;">display</div> | Neilson Reid & Co. #2203, 1876 | Named Kelton Fell. |
| 1 | | 0-4-0WT | 4'-8½" | Beckton Gasworks | Bo'ness & Kinneil Railway, Bo'ness, SCT | <div style="color: #007BFF;">display</div> | Neilson Reid & Co. #1561, 1870 | |
| 419 | 439 | 0-4-4T | 4'-8½" | Caledonian Railway | Bo'ness & Kinneil Railway, Bo'ness, SCT | <div style="color: #28A745;">operational</div> | St. Rollox, 1907 | |
| 673 | C | 0-6-0 | 4'-8½" | North British Railway | Bo'ness & Kinneil Railway, Bo'ness, SCT | <div style="color: #007BFF;">display</div> | Neilson Reid & Co. #4392, 1891 | Named Maude. |
| | 0-6-0F | 4'-8½" | Central Electricity Generating Board | Bo'ness & Kinneil Railway, Bo'ness, SCT | <div style="color: #007BFF;">display</div> | Andrew Barclay Sons & Co. #1989, 1930 | Named Lord Ashfield. |
| 75254 (7) | J94 | 0-6-0ST | 4'-8½" | War Dept. | Bo'ness & Kinneil Railway, Bo'ness, SCT | <div style="color: #28A745;">operational</div> | W. G. Bagnall #2777, 1945 | From National Coal Board. |
| 19 | J94 | 0-6-0ST | 4'-8½" | National Coal Board | Bo'ness & Kinneil Railway, Bo'ness, SCT | <div style="color: #28A745;">operational</div> | Hunslet Engine Co. #3518, 1954 | |
| 20 | | 0-6-0T | 4'-8½" | Wemyss Private Railway | Bo'ness & Kinneil Railway, Bo'ness, SCT | <div style="color: #FFC107;">restoration</div> | Andrew Barclay Sons & Co. #2068, 1939 | |
| 24 | | 0-6-0T | 4'-8½" | National Coal Board | Bo'ness & Kinneil Railway, Bo'ness, SCT | <div style="color: #007BFF;">display</div> | Andrew Barclay Sons & Co. #2335, 1953 | |
| 1 | | 0-6-0T | 4'-8½" | National Coal Board | Bo'ness & Kinneil Railway, Bo'ness, SCT | <div style="color: #28A745;">operational</div> | Neilson Reid & Co. #5710, 1902 | Named Lord Roberts. |
| 80105 | 4MT | 2-6-4T | 4'-8½" | BR | Bo'ness & Kinneil Railway, Bo'ness, SCT | <div style="color: #28A745;">operational</div> | BR Brighton Works, 04/1955 | Owned by the Locomotive Owners’ Group (Scotland) Ltd. Restored to operation in 2000. Taken out of service in July 2016. Returned to service in August 2024. |
| 45170 | 8F | 2-8-0 | 4'-8½" | War Dept. | Bo'ness & Kinneil Railway, Bo'ness, SCT | <div style="color: #FFC107;">restoration</div> | North British Locomotive Co. #24755, 1942 | Only Turkish steam locomotive in the UK. |
| 49 | F | 4-4-0 | 4'-8½" | Great North of Scotland Railway | Bo'ness & Kinneil Railway, Bo'ness, SCT | <div style="color: #007BFF;">display</div> | North British Locomotive Co. #22563, 10/1920 | Named Gordon Highlander. |
| 246 (62712) | D49 | 4-4-0 | 4'-8½" | LNER | Bo'ness & Kinneil Railway, Bo'ness, SCT | <div style="color: #28A745;">operational</div> | LNER Darlington Works, 1928 | Named Morayshire. |
| | 4wVBGT | 4'-8½" | R. B. Tennant | Bo'ness & Kinneil Railway, Bo'ness, SCT | <div style="color: #DC3545;">stored</div> | Sentinel Waggon Works (Shrewsbury) #9627, 1957 | Named Ranald. |
| | 4wVBGT | 4'-8½" | Tennent''s, Whifflet Foundry | Bo'ness & Kinneil Railway, Bo'ness, SCT | <div style="color: #DC3545;">stored</div> | Sentinel Waggon Works (Shrewsbury) #9561, 1953 | Named John. |
| | 4wVBGT | 4'-8½" | R. B. Tennant | Bo'ness & Kinneil Railway, Bo'ness, SCT | <div style="color: #DC3545;">stored</div> | Sentinel Waggon Works (Shrewsbury) #9631, 1958 | Named Denis. |
| | 0-4-0ST | 4'-8½" | Port of Par | Bodmin & Wenford Railway, Bodmin, ENG | <div style="color: #FFC107;">restoration</div> | W. G. Bagnall #3058, 1953 | Named Alfred. |
| | 0-4-0ST | 4'-8½" | Port of Par | Bodmin & Wenford Railway, Bodmin, ENG | <div style="color: #28A745;">operational</div> | W. G. Bagnall #2572, 1937 | Named Judy. |
| 4612 | 5700 | 0-6-0PT | 4'-8½" | GWR | Bodmin & Wenford Railway, Bodmin, ENG | <div style="color: #28A745;">operational</div> | GWR Swindon Works, 1942 | |
| 75178 | | 0-6-0ST | 4'-8½" | National Coal Board | Bodmin & Wenford Railway, Bodmin, ENG | <div style="color: #FFC107;">restoration</div> | W. G. Bagnall #2766, 1944 | |
| 30587 (3298) | 0298 | 2-4-0WT | 4'-8½" | LSWR | Bodmin & Wenford Railway, Bodmin, ENG | <div style="color: #28A745;">operational</div> | Beyer, Peacock & Co. #1412, 1874 | |
| 5552 | 4575 | 2-6-2T | 4'-8½" | GWR | Bodmin & Wenford Railway, Bodmin, ENG | <div style="color: #28A745;">operational</div> | GWR Swindon Works, 1928 | |
| 5553 | 4575 | 2-6-2T | 4'-8½" | GWR | Bodmin & Wenford Railway, Bodmin, ENG | <div style="color: #DC3545;">stored</div> | GWR Swindon Works, 1928 | |
| 14 | | 2-4-0T | 36" | Isle of Man Railway | John Fowler Engineering, Bouth, ENG | <div style="color: #FFC107;">restoration</div> | Beyer, Peacock & Co. #2028, 1880 | Named Thornhill. |
| | 0-4-2T | 12¼" | Exmoor Steam Railway | Exmoor Steam Railway, Bratton Fleming, ENG | <div style="color: #ff8800;">private operational</div> | Exmoor Steam Railway Bratton Fleming Works #330, 2006 | Named Lorna Doone. |
| | 0-4-2T | 15" | Exmoor Steam Railway | Exmoor Steam Railway, Bratton Fleming, ENG | <div style="color: #ff8800;">private operational</div> | Exmoor Steam Railway Bratton Fleming Works #302, 1997 | Named Ruby. Previously named Dennis. Originally built as 12¼ inch gauge. |
| | 0-4-2T+T | 12¼" | Exmoor Steam Railway | Exmoor Steam Railway, Bratton Fleming, ENG | <div style="color: #ff8800;">private operational</div> | Exmoor Steam Railway Bratton Fleming Works #299, 1995 | Named Denzil. |
| | 2-6-2 | 12¼" | Exmoor Steam Railway | Exmoor Steam Railway, Bratton Fleming, ENG | <div style="color: #ff8800;">private operational</div> | Exmoor Steam Railway Bratton Fleming Works #325, 2009 | Named Black Beauty. |
| 229 | 209 | 0-4-0ST | 4'-8½" | Great Eastern | Flour Mill Ltd, Bream, ENG | <div style="color: #28A745;">operational</div> | Neilson Reid & Co. #2119, 04/1876 | |
| D249 | | 0-4-0WT | 4'-8½" | Fairfield-Mabey | Flour Mill Ltd, Bream, ENG | <div style="color: #ff8800;">private operational</div> | Kerr, Stuart & Co. (Stoke on Trent) #3063, 1918 | Named Willy. |
| 5199 | 5101 | 2-6-2T | 4'-8½" | GWR | Flour Mill Ltd, Bream, ENG | <div style="color: #FFC107;">overhaul</div> | GWR Swindon Works, 1934 | Restored to operation in 2003. Taken out of service for an overhaul in Jan 2019. Returned to operation in Apr 2019. Leased to the West Somerset Railway, Minehead, ENG from Dec 2020 to Dec 2022. Taken out of service again in Oct 2023. |
| 30120 (120) | T9 | 4-4-0 | 4'-8½" | LSWR | Flour Mill Ltd, Bream, ENG | <div style="color: #FFC107;">restoration</div> | LSWR Nine Elms Works #572, 1899 | Moved to the Bodmin & Wenford Railway, Bodmin in 2008. Restored to operation in 2010. Moved to the Swanage Railway in 2017. Boiler and tender moved to the Flower Mill, Bream in 2024. The chassis is being overhauled at the Swanage Railway's Herston Works. |
| 1 | | 0-4-0ST | 4'-8½" | Cupar Sugar Beet Factory | Caledonian Railway, Brechin, SCT | <div style="color: #28A745;">operational</div> | Andrew Barclay Sons & Co. #1863, 1926 | |
| 1 | | 0-4-0ST | 4'-8½" | British Aluminium Co. | Caledonian Railway, Brechin, SCT | <div style="color: #007BFF;">display</div> | Peckett & Sons #1376, 1915 | |
| 75030 | | 0-6-0ST | 4'-8½" | National Coal Board | Caledonian Railway, Brechin, SCT | <div style="color: #FFC107;">restoration</div> | Hunslet Engine Co. #2879, 1943 | |
| 75171 | | 0-6-0ST | 4'-8½" | Wemyss Private Railway | Caledonian Railway, Brechin, SCT | <div style="color: #FFC107;">restoration</div> | W. G. Bagnall #2759, 1944 | |
| 5 | | 0-6-0ST | 4'-8½" | Birchenwood Gas & Coke Works | Caledonian Railway, Brechin, SCT | <div style="color: #FFC107;">restoration</div> | Peckett & Sons #2153, 1954 | |
| | 0-6-0ST | 4'-8½" | National Coal Board | Caledonian Railway, Brechin, SCT | <div style="color: #FFC107;">restoration</div> | Peckett & Sons #1889, 1935 | Named Menelaus. |
| 67 | | 0-6-0ST | 4'-8½" | Central Electricity Generating Board | Caledonian Railway, Brechin, SCT | <div style="color: #FFC107;">restoration</div> | Andrew Barclay Sons & Co. #2352, 1952 | Named Hong Kong Flyer. |
| 75161 | | 0-6-0ST | 4'-8½" | National Coal Board | Caledonian Railway, Brechin, SCT | <div style="color: #FFC107;">restoration</div> | W. G. Bagnall #2749, 1944 | |
| | 0-6-0T | 4'-8½" | Harlaxton Ironstone Quarries | Caledonian Railway, Brechin, SCT | <div style="color: #28A745;">operational</div> | Andrew Barclay Sons & Co. #2107, 1941 | Named Harlaxton. |
| 4 | | 0-4-0ST | 24" | Ministry of Munitions | Bredgar & Wormshill Light Railway, Bredgar, ENG | <div style="color: #ff8800;">private operational</div> | W. G. Bagnall #2088, 1919 | Named Armistice. |
| | 0-4-0ST | 24" | Dinorwic Quarry | Bredgar & Wormshill Light Railway, Bredgar, ENG | <div style="color: #ff8800;">private operational</div> | Hunslet Engine Co. #1429, 1922 | Named Lady Joan. |
| 1 | | 0-4-0WT | 24" | Norddeutsche Affinerie | Bredgar & Wormshill Light Railway, Bredgar, ENG | <div style="color: #ff8800;">private operational</div> | Berliner Maschinenbau #9124, 1927 | Named Bronhilde. |
| 6 | | 0-4-0WT | 24" | Penrhyn Quarry Railway | Bredgar & Wormshill Light Railway, Bredgar, ENG | <div style="color: #ff8800;">private operational</div> | Orenstein & Koppel #5668, 1912 | Named Eigiau. |
| 7 | | 0-4-2T | 24" | Invicta Mill | Bredgar & Wormshill Light Railway, Bredgar, ENG | <div style="color: #ff8800;">private operational</div> | Decauville #246, 1897 | Named Victory. |
| 10 | | 0-4-2T | 24" | Sena Sugar Estates | Bredgar & Wormshill Light Railway, Bredgar, ENG | <div style="color: #ff8800;">private operational</div> | John Fowler & Co. #13573, 1912 | Named Zambezi. |
| | 0-4-0ST | 24" | London Museum of Water & Steam | London Museum of Water & Steam, Brentford, ENG | <div style="color: #28A745;">operational</div> | Hunslet Engine Co. #3906, 2009 | Named Thomas Wickstead. |
| 3 | | 0-6-0ST | 4'-8½" | National Coal Board | Bristol Harbour Railway, Bristol, ENG | <div style="color: #DC3545;">stored</div> | Fox Walker #242, 1874 | |
| 3879 | | 0-6-0ST | 4'-8½" | War Dept. | Gwili Railway, Bronwydd Arms, WAL | <div style="color: #28A745;">operational</div> | Vulcan Foundry #5272, 1945 | Named Haulwen. |
| L.150 (5521) | 4575 | 2-6-2T | 4'-8½" | London Transport (GWR) | Gwili Railway, Bronwydd Arms, WAL | <div style="color: #28A745;">operational</div> | GWR Swindon Works, 1927 | From the Avon Valley Railway, Bitton, England. |
| 151 | | 0-4-0VBT | 84¼" | GWR | South Devon Railway, Buckfastleigh, ENG | <div style="color: #007BFF;">display</div> | Sara & Co. #2180, 1868 | Named Tiny. Only surviving commercial Brunel gauge steam locomotive in the UK. |
| 1420 | 1400 | 0-4-2T | 4'-8½" | GWR | South Devon Railway, Buckfastleigh, ENG | <div style="color: #FFC107;">restoration</div> | GWR Swindon Works, 11/1933 | Named Bulliver. |
| 3205 | 2251 | 0-6-0 | 4'-8½" | GWR (BR) | South Devon Railway, Buckfastleigh, ENG | <div style="color: #FFC107;">overhaul</div> | GWR Swindon Works, 1946 | Owned by the 2251 Fund. Restored to operation in May 1970. Taken out of service in 2006. Returned to operation in May 2010. Taken out of service again in 2017. |
| L.92 (5786) | 5700 | 0-6-0PT | 4'-8½" | London Transport (GWR) | South Devon Railway, Buckfastleigh, ENG | <div style="color: #28A745;">operational</div> | GWR Swindon Works, 1929 | |
| 1369 | 1366 | 0-6-0PT | 4'-8½" | GWR (BR) | South Devon Railway, Buckfastleigh, ENG | <div style="color: #28A745;">operational</div> | GWR Swindon Works, 1934 | Only surviving GWR 1366 class Pannier tank locomotive. Restored to operation in 1965. Restored back to operation in 1996. Painted in the BR black livery in 2005 and 2016. Taken out of service again in May 2017. Returned to operation in Oct 2019. |
| 6412 | 6400 | 0-6-0PT | 4'-8½" | BR (GWR) | South Devon Railway, Buckfastleigh, ENG | <div style="color: #28A745;">operational</div> | GWR Swindon Works, 1934 | |
| 6430 | 6400 | 0-6-0PT | 4'-8½" | GWR | South Devon Railway, Buckfastleigh, ENG | <div style="color: #28A745;">operational</div> | GWR Swindon Works, 1937 | From the Llangollen Railway, Llangollen, Wales. |
| 4160 | 5101 | 2-6-2T | 4'-8½" | BR | South Devon Railway, Buckfastleigh, ENG | <div style="color: #FFC107;">overhaul</div> | BR Swindon Works, 1948 | Restored to operation in Feb 1993. Taken out of service in Jun 2003. Returned to operation in Aug 2006. Taken out of service again in late 2015. On loan from the West Somerset Railway until at least 2033. |
| | 0-4-0ST | 4'-8½" | Yates Dixbury Paper Mill | Mangapps Railway Museum, Burnham-on-Crouch, ENG | <div style="color: #DC3545;">stored</div> | Peckett & Sons #1159, 1908 | Named Annie. |
| 6 | | 0-4-0ST | 4'-8½" | National Coal Board | Mangapps Railway Museum, Burnham-on-Crouch, ENG | <div style="color: #DC3545;">stored</div> | Andrew Barclay Sons & Co. #1619, 1919 | Named Toto. |
| | 0-6-0PT | 4'-8½" | Brookfield Foundry | Mangapps Railway Museum, Burnham-on-Crouch, ENG | <div style="color: #28A745;">operational</div> | W. G. Bagnall #2613, 1940 | Named Brookfield. |
| | 0-6-0ST | 4'-8½" | Skinningrove Ironworks | Mangapps Railway Museum, Burnham-on-Crouch, ENG | <div style="color: #007BFF;">display</div> | Fox Walker #385, 1878 | Named Minnie. |
| 11 | | 0-4-0ST | 4'-8½" | Bairds & Scottish Steel Co. | Chasewater Railway, Burntwood, ENG | <div style="color: #28A745;">operational</div> | Neilson Reid & Co. #2937, 1882 | Named Alfred Paget. |
| 293 | | 0-4-0ST | 4'-8½" | N. Greening | Chasewater Railway, Burntwood, ENG | <div style="color: #28A745;">operational</div> | Andrew Barclay Sons & Co. #1223, 1911 | |
| 1 | | 0-6-0ST | 4'-8½" | National Coal Board | Chasewater Railway, Burntwood, ENG | <div style="color: #28A745;">operational</div> | Hunslet Engine Co. #3783, 1953 | Named Darfield. |
| 10 | 4-4-2 | 15" | Dreamland Miniature Railway | Windmill Animal Farm, Burscough, ENG | <div style="color: #28A745;">operational</div> | Bassett-Lowke, 1909 | Named Red Dragon. |
| 9 | | 0-4-0ST | 4'-8½" | Bass, Ratcliff & Gretton | The National Brewery Centre, Burton upon Trent, ENG | <div style="color: #007BFF;">display</div> | Neilson Reid & Co. #5907, 1901 | |
| 19 | Pug | 0-4-0 | 4'-8½" | Lancashire & Yorkshire | East Lancashire Railway, Bury, ENG | <div style="color: #28A745;">operational</div> | Horwich Works #1097, 09/1910 | |
| | 0-4-0ST | 4'-8½" | Yates & Duxbury | East Lancashire Railway, Bury, ENG | <div style="color: #28A745;">operational</div> | Peckett & Sons #1370, 1915 | Named May. |
| 1300 | 27 | 0-6-0 | 4'-8½" | Lancashire & Yorkshire | East Lancashire Railway, Bury, ENG | <div style="color: #28A745;">operational</div> | Horwich Works #420, 12/1895 | |
| 75008 | | 0-6-0ST | 4'-8½" | War Dept. | East Lancashire Railway, Bury, ENG | <div style="color: #28A745;">operational</div> | Hunslet Engine Co. #2857, 1943 | Named Swiftsure. |
| 132 | | 0-6-0ST | 4'-8½" | War Dept. | East Lancashire Railway, Bury, ENG | <div style="color: #28A745;">operational</div> | Hunslet Engine Co. #3163, 1953 | Named Sapper. |
| 1 (32) | | 0-6-0T | 4'-8½" | Manchester Ship Canal | East Lancashire Railway, Bury, ENG | <div style="color: #28A745;">operational</div> | Hudswell, Clarke & Co. #680, 1903 | Named Gothenburg. Fictionally named Thomas. |
| 13159 | 6P5F | 2-6-0 | 4'-8½" | LMS | East Lancashire Railway, Bury, ENG | <div style="color: #DC3545;">stored</div> | LMS Crewe Works #5981, 03/1930 | |
| 42765 (13065) | 6P5F | 2-6-0 | 4'-8½" | BR (LMS) | East Lancashire Railway, Bury, ENG | <div style="color: #28A745;">operational</div> | LMS Crewe Works #5757, 08/1927 | |
| 80080 | 4MT | 2-6-4T | 4'-8½" | BR | East Lancashire Railway, Bury, ENG | <div style="color: #28A745;">operational</div> | BR Brighton Works, 03/1954 | Restored to operation in 1987. Taken out of service in Apr 2010. Taken out of service again in Dec 2016 due to a failed boiler inspection. Returned to operation in Feb 2019. Acquired by the Poppy Line (North Norfolk Railway) on Mar 30, 2025. |
| 7229 | 7200 | 2-8-2T | 4'-8½" | GWR | East Lancashire Railway, Bury, ENG | <div style="color: #FFC107;">restoration</div> | GWR Swindon Works, 1935 | |
| 45407 (5407) | 5MT (5) | 4-6-0 | 4'-8½" | BR (LMS) | East Lancashire Railway, Bury, ENG | <div style="color: #28A745;">operational</div> | Sir W.G. Armstrong Whitworth & Co. #1462, 1937 | Named The Lancashire Fusilier. Restored to operation in 1974. Taken out of service in early 2017. Returned to operation in June 2020. Currently certified for mainline operations. |
| 45337 (5337) | 5MT (5) | 4-6-0 | 4'-8½" | BR (LMS) | East Lancashire Railway, Bury, ENG | <div style="color: #FFC107;">overhaul</div> | Sir W.G. Armstrong Whitworth & Co. #1392, 1937 | From the From the Llangollen Railway, Llangollen, WAL. Restored to operation in 1995. Taken out of service in early 2014 due to a steam leak. Returned to operation in Jun 2015. Masqueraded as BR 45292 in Apr 2017. Taken out of service again in Jul 2017. |
| 44871 (4871) | 5MT (5) | 4-6-0 | 4'-8½" | BR (LMS) | East Lancashire Railway, Bury, ENG | <div style="color: #28A745;">operational</div> | LMS Crewe Works, 1945 | Previously named Sovereign. Currently certified for mainline operations. |
| 1313 | B | 4-6-0 | 4'-8½" | Swedish State Railways | East Lancashire Railway, Bury, ENG | <div style="color: #DC3545;">stored</div> | Motala Verkstad #586, 1918 | |
| 34081 | 7P 5FA (Battle of Britain) | 4-6-2 | 4'-8½" | BR | East Lancashire Railway, Bury, ENG | <div style="color: #28A745;">operational</div> | BR Brighton Works, 09/1948 | Named 92 Squadron. Owned by the Battle of Britain Locomotive Society. Restored to operation in March 1998. Taken out of service in 2003 due to leaking firebox stay bolts. Returned to operation in December 2016. From the Nene Valley Railway, Peterborough. |
| 45163 (5163) | 5MT (5) | 4-6-0 | 4'-8½" | BR (LMS) | Riley & Son (E) Ltd, Bury, ENG | <div style="color: #FFC107;">restoration</div> | Sir W.G. Armstrong Whitworth & Co., 07/1935 | Owned by the BR 45163 Ltd. Being restored to operating condition. |
| 1 | | 0-4-0T | 36" | British Aluminium Co. | Giant's Causeway & Bushmills Railway, Bushmills, NRL | <div style="color: #DC3545;">stored</div> | Peckett & Sons #1026, 1904 | Named Tyrone. |
| 3 | BM 1-3 | 0-4-0WT | 36" | Bord na Mona | Giant's Causeway & Bushmills Railway, Bushmills, NRL | <div style="color: #DC3545;">stored</div> | Andrew Barclay Sons & Co. #2265, 1949 | Named Shane. |
| 1163 | | 0-4-0ST | 4'-8½" | Whitehead Hill & Co. | Midland Railway - Butterley, Butterley, ENG | <div style="color: #28A745;">operational</div> | Peckett & Sons #1163, 1908 | Named Whitehead. Fictionally named Taffy. |
| 4 | | 0-4-0ST | 4'-8½" | Brown Baileys | Midland Railway - Butterley, Butterley, ENG | <div style="color: #007BFF;">display</div> | Nasmyth Wilson & Co. #454, 1894 | Named Oswald. |
| | 0-4-2ST | 24" | Golden Valley Light Railway | Midland Railway - Butterley, Butterley, ENG | <div style="color: #28A745;">operational</div> | T.D.A. Civil #1, 1997 | Named Joan. |
| 47327 (23) | 3F | 0-6-0T | 4'-8½" | BR (LMS) | Midland Railway - Butterley, Butterley, ENG | <div style="color: #28A745;">operational</div> | North British Locomotive Co. #23406, 1926 | Fictionally named Jinty. |
| 45551 (5551) | Patriot | 4-6-0 | 4'-8½" | BR (LMS) | Midland Railway - Butterley, Butterley, ENG | construction | The LMS Patriot Project | Replica. Named The Unknown Warrior. Construction started in 2008. Under construction as of 2024. Being built using some parts from scrapped LMS 8F class 48518. To be completed by 2027. |
| 73129 | 5MT (Standard) | 4-6-0 | 4'-8½" | BR | Midland Railway - Butterley, Butterley, ENG | <div style="color: #28A745;">operational</div> | BR Derby Works, 08/1956 | |
| 44767 (4767) | 5MT (5) | 4-6-0 | 4'-8½" | BR (LMS) | Midland Railway - Butterley, Butterley, ENG | <div style="color: #FFC107;">overhaul</div> | LMS Crewe Works, 1947 | Named George Stephenson. Restored to operation in 1975. Taken out of service in February 2014. Acquired by the West Coast Railway Company in September 2018. |
| 6233 (46233) | 7P (Coronation) | 4-6-2 | 4'-8½" | LMS (BR) | Midland Railway - Butterley, Butterley, ENG | <div style="color: #28A745;">operational</div> | LMS Crewe Works, 1938 | Named Duchess of Sutherland. Taken out of service in October 2017. Returned to operation in September 2018 and painted in LMS Crimson Lake livery. Currently certified for mainline operations. |
| 46203 (6203) | 8P (Princess Royal) | 4-6-2 | 4'-8½" | BR (LMS) | Midland Railway - Butterley, Butterley, ENG | <div style="color: #007BFF;">display</div> | LMS Crewe Works, 07/1935 | Named Princess Margaret Rose. Owned by the Princess Royal Class Locomotive Trust. Restored to operation in June 1990. Previously operated in 1996. Awaiting possible overhaul. |
| 1 | | 0-4-0WT | 4'-8½" | Beckton Gas Works | Preston Steam Services, Canterbury, ENG | <div style="color: #DC3545;">stored</div> | Neilson Reid & Co. #4444, 1892 | For sale. |
| 48151 (8151) | 8F | 2-8-0 | 4'-8½" | BR (LMS) | West Coast Railways Carnforth, Carnforth, ENG | <div style="color: #28A745;">operational</div> | LMS Crewe Works, 1942 | Privately owned. Restored to operation in 1988. Taken out of service in August 2019. Returned to operation in June 2026. Currently certified for mainline operations. |
| 45110 (5110) | 5MT (5) | 4-6-0 | 4'-8½" | BR (LMS) | West Coast Railways Carnforth, Carnforth, ENG | <div style="color: #FFC107;">restoration</div> | Vulcan Foundry, 1935 | Restored to operation in 1970. Taken out of service in 1980. Returned to operation in 1998. Taken out of service again in 2008. Sold in Aug 2023 to the West Coast Railway Carnforth, Carnforth, ENG. Undergoing restoration to operation. |
| 46115 (6115) | 7P (Royal Scot) | 4-6-0 | 4'-8½" | BR (LMS) | West Coast Railways Carnforth, Carnforth, ENG | <div style="color: #28A745;">operational</div> | North British Locomotive Co. #23610, 1927 | Named Scots Guardsman. Privately owned. One of only two surviving LMS Royal Scott class locomotives, the other one being LMS (BR) 6100 "Royal Scot". Currently certified for mainline operations. |
| 45231 (5231) | 5MT (5) | 4-6-0 | 4'-8½" | BR (LMS) | West Coast Railways Carnforth, Carnforth, ENG | <div style="color: #28A745;">operational</div> | Sir W.G. Armstrong Whitworth & Co. #1286, 1936 | Named The Sherwood Forester. Privately owned. |
| 45690 (5690) | 6P5F (Jubilee) | 4-6-0 | 4'-8½" | BR (LMS) | West Coast Railways Carnforth, Carnforth, ENG | <div style="color: #FFC107;">overhaul</div> | LMS Crewe Works #288, 1936 | Named Leander. Privately owned. Taken out of service in May 2024. |
| 45699 (5699) | 6P5F (Jubilee) | 4-6-0 | 4'-8½" | BR (LMS) | West Coast Railways Carnforth, Carnforth, ENG | <div style="color: #28A745;">operational</div> | LMS Crewe Works #297, 1936 | Named Galatea. Privately owned. Masqueraded as BR 45562 'Alberta' in 2020 and BR 45627 'Sierra Leone' in 2021. Currently certified for mainline operations. |
| 45593 (5593) | 6P5F (Jubilee) | 4-6-0 | 4'-8½" | BR (LMS) | West Coast Railways Carnforth, Carnforth, ENG | <div style="color: #FFC107;">overhaul</div> | North British Locomotive Co. #24151, 1934 | Named Kolhapur. From the Tyseley Locomotive Works, Tyseley, ENG. Restored to operation in the 1980s. Previously operated in 1997. |
| 34016 (C116) | 7P 5FA (West Country) | 4-6-2 | 4'-8½" | BR (Southern) | West Coast Railways Carnforth, Carnforth, ENG | <div style="color: #FFC107;">overhaul</div> | SR Brighton Works, 1945 | Named Bodmin. Privately owned. From the Mid Hants Railway, Alresford, ENG. Restored to operation in 1979. Taken out of service in 1999. Returned to operation in 2000. Taken out of service again in Sep 2007. |
| 6201 (46201) | 8P (Princess Royal) | 4-6-2 | 4'-8½" | LMS (BR) | West Coast Railways Carnforth, Carnforth, ENG | <div style="color: #FFC107;">overhaul</div> | LMS Crewe Works, 11/1933 | Named Princess Elizabeth. Owned by the 6201 Princess Elizabeth Locomotive Society. Previously overhauled in 2019. Taken out of service in June 2022. |
| 35018 (C18) | 8P (Merchant Navy) | 4-6-2 | 4'-8½" | BR (Southern) | West Coast Railways Carnforth, Carnforth, ENG | <div style="color: #28A745;">operational</div> | SR Eastleigh Works, 1945 | Named British India Line. Privately owned. Restored to operation in November 2016. Currently certified for mainline operations. |
| 200 | | 0-6-0ST | 4'-8½" | War Dept. | Colne Valley Railway, Castle Hedingham, ENG | <div style="color: #FFC107;">restoration</div> | Hunslet Engine Co. #3800, 1953 | Undergoing a major overhaul. |
| 60 | | 0-6-0ST | 4'-8½" | Stewarts & Lloyds | Colne Valley Railway, Castle Hedingham, ENG | <div style="color: #FFC107;">overhaul</div> | Robert Stephenson & Hawthorns #7671, 1950 | Named Jupiter. Undergoing overhaul. |
| 190 | | 0-6-0ST | 4'-8½" | War Dept. | Colne Valley Railway, Castle Hedingham, ENG | <div style="color: #28A745;">operational</div> | Hunslet Engine Co. #3790, 1952 | |
| 45293 | 5MT (5) | 4-6-0 | 4'-8½" | LMS | Colne Valley Railway, Castle Hedingham, ENG | <div style="color: #FFC107;">restoration</div> | Sir W.G. Armstrong Whitworth & Co. #1348, 1936 | Owned by BESPS. |
| 35010 (C10) | 8P (Merchant Navy) | 4-6-2 | 4'-8½" | Southern | Colne Valley Railway, Castle Hedingham, ENG | <div style="color: #007BFF;">display</div> | SR Eastleigh Works, 1941 | Named Blue Star. On static display while obtaining parts and fundraising. |
| | 0-4-0ST | 4'-8½" | Central Electricity Generating Board | Northampton & Lamport Railway, Chapel Brampton, ENG | <div style="color: #28A745;">operational</div> | Peckett & Sons #2104, 1948 | |
| 38 | | 0-6-0T | 4'-8½" | Anglo Persian Oil Co. | Northampton & Lamport Railway, Chapel Brampton, ENG | <div style="color: #FFC107;">restoration</div> | Andrew Barclay Sons & Co. #1605, 1918 | Named Ajax. |
| | 0-4-0ST | 4'-8½" | South Wales Warehouses | Historic Dockyard, Chatham, Chatham, ENG | <div style="color: #28A745;">operational</div> | Peckett & Sons #1903, 1936 | Named Little Lady. |
| 361 | | 0-4-0ST | 4'-8½" | Ministry of Defence | Historic Dockyard, Chatham, Chatham, ENG | <div style="color: #28A745;">operational</div> | Robert Stephenson & Hawthorns #7042, 1941 | Named Ajax. |
| | 0-4-0ST | 4'-8½" | Keighley & Worth Valley | Churnet Valley Railway, Cheddleton, ENG | <div style="color: #DC3545;">stored</div> | Andrew Barclay Sons & Co. #2226 | Named Katie. From a nearby garden center. |
| 2 (3) | | 0-4-2ST | 30" | Antigua Sugar | Churnet Valley Railway, Cheddleton, ENG | <div style="color: #DC3545;">stored</div> | Kerr, Stuart & Co. (Stoke on Trent) #1098, 1910 | Named Lena. Privately owned. From the Antigua Sugar Factory. Sent to the UK in 2014. |
| 6 | | 0-4-2ST | 30" | Antigua Sugar | Churnet Valley Railway, Cheddleton, ENG | <div style="color: #DC3545;">stored</div> | Kerr, Stuart & Co. (Stoke on Trent) #1313, 1916 | Named Lucy. Privately owned. From the Antigua Sugar Factory. Sent to the UK in 2014. |
| TKh49 | 0-6-0 | 4'-8½" | Spa Valley | Churnet Valley Railway, Cheddleton, ENG | <div style="color: #DC3545;">stored</div> | | Owned by the TKh Support Group. |
| TKh49 | 0-6-0T | 4'-8½" | | Churnet Valley Railway, Cheddleton, ENG | <div style="color: #28A745;">operational</div> | Fablok #2944, 1952 | Named Hotspur. |
| 5197 | S160 | 2-8-0 | 4'-8½" | USATC (China Railways) | Churnet Valley Railway, Cheddleton, ENG | <div style="color: #28A745;">operational</div> | Lima #8856, 06/1945 | Privately owned. One of only four Chinese steam locomotives in the UK. Restored to operation in 1998. Taken out of service in late 2004 and again in Dec 2009. Returned to operation in Feb 2017. |
| 6046 | S160 | 2-8-0 | 4'-8½" | USATC (Hungarian State Railways) | Churnet Valley Railway, Cheddleton, ENG | <div style="color: #28A745;">operational</div> | Baldwin #70280, 1945 | Privately owned. Restored to operation in Jun 2012. Taken out of service in 2014 due to a damaged cylinder block. Returned to operation in Feb 2016. Leased to the West Somerset Railway from Mar 2018 to Jan 2019. Operated at Chinnor & Risborough in 2025. |
| 3278 | S160 | 2-8-0 | 4'-8½" | USATC (Italian State Railways) | Churnet Valley Railway, Cheddleton, ENG | <div style="color: #28A745;">operational</div> | Baldwin #70340, 1944 | Named Franklin D. Roosevelt. Privately owned. Previously operated on the Watercress Line (Mid Hants Railway), Alresford, ENG in 1999. Restored back to operation on June 14, 2024. |
| 48518 (8518) | 8F | 2-8-0 | 4'-8½" | BR (LMS) | Churnet Valley Railway, Cheddleton, ENG | scrapped | LNER Doncaster Works, 1944 | Some parts have been reused for the ongoing construction of newly-builds GWR County class 1014 'County of Glamorgan' and LMS Patriot class 45551 'The Unknown Warrior'. The boiler barrel is to be used on sister LMS 8F class 48173. |
| 48173 (8173) | 8F | 2-8-0 | 4'-8½" | BR (LMS) | Churnet Valley Railway, Cheddleton, ENG | <div style="color: #FFC107;">restoration</div> | LMS Crewe Works, 1943 | Owned by Greg Wilson. The boiler barrel came from scrapped sister LMS 8F class 48518. |
| | 0-4-0T | 15" | Eaton Railway | Eaton Estate, Chester, ENG | <div style="color: #28A745;">operational</div> | FMB Engineering Co., 1994 | Replica. Named Katie. Privately owned. |
| 8217 (1217) | G58 | 0-6-0 | 4'-8½" | Great Eastern | Barrow Hill Roundhouse Railway Centre, Chesterfield, ENG | <div style="color: #007BFF;">display</div> | Great Eastern Railway Stratford Works #1270, 05/1905 | |
| 506 (62660) | 11F (D11) | 4-4-0 | 4'-8½" | Great Central (BR) | Barrow Hill Roundhouse Railway Centre, Chesterfield, ENG | <div style="color: #007BFF;">display</div> | GCR Gorton Works, 12/1919 | Named Butler Henderson. Owned by the National Railway Museum York. Restored to operation in March 1982. Retired from excursion service in 1992. |
| 12 | | 0-4-0ST | 24" | Penrhyn Quarry Railway (Durham County Water Board) | Apedale Valley Light Railway, Chesterton, ENG | <div style="color: #28A745;">operational</div> | Avonside Engine (Bristol) #2066, 1933 | Named Ogwen. In 2012 moved from Terre Haute, IN to Beamish Museum, Beamish, County Durham, UK. |
| | 0-4-2ST | 24" | Penrhyn Quarry Railway | Apedale Valley Light Railway, Chesterton, ENG | <div style="color: #28A745;">operational</div> | Kerr, Stuart & Co. (Stoke on Trent) #2395, 1917 | Named Stanhope. Owned by the Moseley Railway Trust. |
| 3014 | | 0-6-0T | 24" | French Army | Apedale Valley Light Railway, Chesterton, ENG | <div style="color: #28A745;">operational</div> | Kerr, Stuart & Co. (Stoke on Trent) #3014, 1916 | Run by the Moseley Railway Trust. |
| | 0-6-0WT | 24" | Ashanti Goldfields Corp. | Apedale Valley Light Railway, Chesterton, ENG | <div style="color: #28A745;">operational</div> | Hudswell, Clarke & Co. #1238, 1916 | Run by the Moseley Railway Trust. |
| 303 | | 4-6-0T | 2' | Invicta Sugar Mill (British War Department) | Apedale Valley Light Railway, Chesterton, ENG | <div style="color: #28A745;">operational</div> | Hunslet Engine Co. #1215, 1916 | Named Invicta. Incorporated parts from 314. From Alan Robert, Capalaba, QLD, Australia in 2005. |
| | 4wVBGT | 4'-8½" | Croydon Gasworks | Chinnor & Princes Risborough Railway, Chinnor, ENG | <div style="color: #28A745;">operational</div> | Sentinel Waggon Works (Shrewsbury) #7109, 1927 | Named Joyce. Returned to service in 2025. |
| 3 | | 0-4-0+0-4-0T | 15" | Kirklees Light Railway | Kirklees Light Railway, Clayton West, ENG | <div style="color: #28A745;">operational</div> | Brian Taylor, 1998 | Named Hawk. |
| 4 | | 0-4-0+0-4-0TG | 15" | Kirklees Light Railway | Kirklees Light Railway, Clayton West, ENG | <div style="color: #28A745;">operational</div> | Brian Taylor #12, 2000 | Named Owl. |
| 2 | | 0-6-4ST | 15" | Kirklees Light Railway | Kirklees Light Railway, Clayton West, ENG | <div style="color: #28A745;">operational</div> | Brian Taylor, 1991 | Named Badger. |
| | 2-6-2T | 15" | Kirklees Light Railway | Kirklees Light Railway, Clayton West, ENG | <div style="color: #28A745;">operational</div> | Brian Taylor, 1987 | Named Fox. |
| 24 | | 2-6-2 | 15" | Cleethorpes Coast Light Railway | Cleethorpes Coast Light Railway, Cleethorpes, ENG | <div style="color: #28A745;">operational</div> | Fairbourne Railway Fairbourne Works #4, 1990 | |
| 6284 | O4 | 2-8-0 | 15" | Cleethorpes Coast Light Railway | Cleethorpes Coast Light Railway, Cleethorpes, ENG | <div style="color: #28A745;">operational</div> | T. Turner, 2009 | Completed by Ray Crome and Roger Loxley. |
| 11 | | 0-4-0ST | 4'-8½" | National Coal Board | Summerlee Heritage Park, Coatbridge, SCT | <div style="color: #007BFF;">display</div> | Gibb & Gogg #16, 1898 | |
| 9 | | 0-6-0T | 4'-8½" | National Coal Board | Summerlee Heritage Park, Coatbridge, SCT | <div style="color: #007BFF;">display</div> | Hudswell, Clarke & Co. #895, 1909 | |
| 411 | GMA | 4-8-2+2-8-4 | 42" | South African Railways | Summerlee Heritage Park, Coatbridge, SCT | <div style="color: #007BFF;">display</div> | North British Locomotive Co. #27770, 1958 | Named Springbok. |
| | 4wVBGT | 4'-8½" | Tennent''s, Whifflet Foundry | Summerlee Heritage Park, Coatbridge, SCT | <div style="color: #007BFF;">display</div> | Sentinel Waggon Works (Shrewsbury) #9628, 1953 | Named Robin. |
| | 2-6-2T | 15" | Perrygrove Railway | Perrygrove Railway, Coleford, ENG | <div style="color: #28A745;">operational</div> | Alan Keef Ltd #5360, 2008 | Named Lydia. Basis for Olivia in Sodor the Modern Years. |
| M5 | 0-4-0ST | 4'-8½" | Derbyshire Stone Quarries | unknown, Congleton, ENG | <div style="color: #DC3545;">stored</div> | Peckett & Sons #1555, 1920 | Named Ivor. |
| 36 | 21 | 2-2-2 | 5'-3" | Great Southern & Western | Kent Station, Cork, IRL | <div style="color: #007BFF;">display</div> | Bury, Curtis & Kennedy Ltd., 1847 | |
| | 0-4-2 | 15" | Heatherslaw Light Railway | Heatherslaw Light Railway, Cornhill-on-Tweed, ENG | <div style="color: #28A745;">operational</div> | Ravenglass & Eskdale Railway Ravenglass Works, 1989 | Named Lady Augusta. |
| | 2-6-0T+T | 15" | Heatherslaw Light Railway | Heatherslaw Light Railway, Cornhill-on-Tweed, ENG | <div style="color: #28A745;">operational</div> | Neville Smith, 2010 | Named Bunty. Completed by Alan Keef. |
| 10 | | 0-4-2ST | 27" | Corris Railway | Corris Railway, Corris, WAL | <div style="color: #28A745;">operational</div> | Falcon Engine & Car Works (Alan Keef Ltd.) #91, 2022 | Test fired on September 24, 2022. Debuted in excursion service on September 8, 2023. |
| 7 | | 0-4-2ST | 27" | Corris Railway | Corris Railway, Corris, WAL | <div style="color: #FFC107;">overhaul</div> | Winson Engineering (Alan Keef Ltd.) #17, 2005 | Winson Engineering closed in 2001. Completed by Drayton Designs. Taken out of service in early January 2025. Undergoing overhaul. |
| 2 | | 0-4-0ST | 4'-8½" | United Steel Companies | Rocks by Rail: the Living Ironstone Museum, Cottesmore, ENG | <div style="color: #28A745;">operational</div> | Andrew Barclay Sons & Co. #1931, 1927 | |
| | 0-4-0ST | 4'-8½" | Cottesmore Ironstone Quarry | Rocks by Rail: the Living Ironstone Museum, Cottesmore, ENG | <div style="color: #28A745;">operational</div> | Andrew Barclay Sons & Co. #2088, 1940 | Named Sir Thomas Royden. |
| 1719 | | 0-4-0ST | 4'-8½" | Hurlford Fireclay Works | East Somerset Railway, Cranmore, ENG | <div style="color: #28A745;">operational</div> | Andrew Barclay Sons & Co. #1719, 1920 | Named Lady Nan. |
| 5637 | 5600 | 0-6-2T | 4'-8½" | BR (GWR) | East Somerset Railway, Cranmore, ENG | <div style="color: #FFC107;">overhaul</div> | GWR Swindon Works, 1925 | Owned by the 5637 Steam Locomotive Group. Restored to operation in 1999 and painted in GWR Brunswick green livery. Repainted back into BR black livery in 2002. Taken out of service in 2007. Taken out of service again in Apr 2020. |
| 46447 | 2MT | 2-6-0 | 4'-8½" | BR | East Somerset Railway, Cranmore, ENG | <div style="color: #28A745;">operational</div> | BR Crewe Works, 03/1950 | |
| 4247 | 4200 | 2-8-0T | 4'-8½" | BR (GWR) | East Somerset Railway, Cranmore, ENG | <div style="color: #28A745;">operational</div> | GWR Swindon Works #2637, 1916 | From the Bodmin & Wenford Railway, Bodmin. |
| 46100 (6100) | 7P (Royal Scot) | 4-6-0 | 4'-8½" | BR (LMS) | Crewe Works (Royal Scot Locomotive & General Trust), Crewe, ENG | <div style="color: #FFC107;">overhaul</div> | North British Locomotive Co., 06/1930 | Named Royal Scot. Previously named The King's Dragoon Guardsman. Restored to operation in 1972. Taken out of service in Apr 2009. Returned to operation in 2015. Taken out of service again in Jan 2025. |
| 5029 | 4073 | 4-6-0 | 4'-8½" | BR (GWR) | Crewe Works (Royal Scot Locomotive & General Trust), Crewe, ENG | <div style="color: #28A745;">operational</div> | GWR Swindon Works, 1934 | Named Nunney Castle. Restored to operation in 1990. Taken out of service in late 2015. Returned to operation in April 2025. |
| 34046 (C146) | 7P 5FA (West Country) | 4-6-2 | 4'-8½" | BR (Southern) | Crewe Works (Royal Scot Locomotive & General Trust), Crewe, ENG | <div style="color: #28A745;">operational</div> | SR Brighton Works, 11/1946 | Named Braunton. Restored to operation in Jul 2007. Debuted in excursion service in Sep 2008. Taken out of service in 2017. Returned to operation in Jun 2020. Currently certified for mainline operations. |
| 60532 (532) | A2 | 4-6-2 | 4'-8½" | BR | Crewe Works (Royal Scot Locomotive & General Trust), Crewe, ENG | <div style="color: #28A745;">operational</div> | Doncaster Locomotive Works #2023, 1948 | Named Blue Peter. Restored to operation in 1971. Suffered some damage from a catastrophic uncontrolled wheelslip in 1994. Taken out of service in 2002. Test fired in 2023. Returned to operation in Feb 2024 and painted in BR express passenger blue livery. |
| 3403 | V4 | 2-6-2 | 4'-8½" | LNER | A1 Steam Locomotive Trust, Darlington, ENG | construction | A1 Steam Locomotive Trust (Darlington Works), 2026 | Construction is scheduled to begin after the newly-built LNER P2 class 2007 'Prince of Wales' is completed. |
| 2007 | P2 | 2-8-2 | 4'-8½" | LNER | A1 Steam Locomotive Trust, Darlington, ENG | construction | A1 Steam Locomotive Trust (Darlington Works) | Named Prince of Wales. Construction began in 2014 with its design being based on scrapped P2 class No. 2001 'Cock O' the North'. It will operate excursions on the mainline and heritage railways when completed. |
| 60163 | A1 | 4-6-2 | 4'-8½" | BR (LNER) | A1 Steam Locomotive Trust, Darlington, ENG | <div style="color: #28A745;">operational</div> | A1 Steam Locomotive Trust (Darlington Works) #2195, 2008 | Named Tornado. First brand-new mainline steam locomotive built in the UK since 1960. Painted in the BR express passenger blue livery from 2012 to 2014. Taken out of service in Jan 2022. Returned to operation on Aug 31, 2024. |
| 1 | | 0-4-0ST | 4'-8½" | Northern Gas Board | Darlington Railway Preservation Society, Darlington, ENG | <div style="color: #FFC107;">overhaul</div> | Peckett & Sons #2142, 1953 | |
| 4 | CDRJC 5 | 2-6-4T | 36" | County Donegal Railways Joint Committee | Foyle Valley Railway Museum, Derry, NRL | <div style="color: #007BFF;">display</div> | Nasmyth Wilson & Co. #828, 1907 | Named Donegal. |
| 6 | CDRJC 5 | 2-6-4T | 36" | County Donegal Railways Joint Committee | Foyle Valley Railway Museum, Derry, NRL | <div style="color: #007BFF;">display</div> | Nasmyth Wilson & Co. #830, 1907 | Named Killybegs. |
| 93 | Steam Railmotor (Diagram R) | | 4'-8½" | GWR | Didcot Railway Centre, Didcot, ENG | <div style="color: #FFC107;">overhaul</div> | GWR Swindon Works, 1908 | Only surviving GWR steam railmotor. Restored to operation in 2011. Taken out of service in early 2021. |
| 1338 | | 0-4-0ST | 4'-8½" | GWR (Cardiff) | Didcot Railway Centre, Didcot, ENG | <div style="color: #007BFF;">display</div> | Kitson & Co. #3799, 1898 | Restored to operation in 1987. Debuted in excursion service in 2000. Previously operated in Jun 2007. The boiler certificate has expired and the locomotive is on display in non-operational condition. |
| 1466 | 1400 | 0-4-2T | 4'-8½" | GWR | Didcot Railway Centre, Didcot, ENG | <div style="color: #28A745;">operational</div> | GWR Swindon Works, 02/1936 | |
| 3650 | 5700 | 0-6-0PT | 4'-8½" | GWR (BR) | Didcot Railway Centre, Didcot, ENG | <div style="color: #FFC107;">overhaul</div> | GWR Swindon Works, 1939 | Restored to operation in July 2008. Taken out of service in 2016. |
| 6697 | 5600 | 0-6-2T | 4'-8½" | GWR | Didcot Railway Centre, Didcot, ENG | <div style="color: #007BFF;">display</div> | Sir W.G. Armstrong Whitworth & Co. #985, 10/1928 | |
| | 2-2-2 | 84¼" | GWR | Didcot Railway Centre, Didcot, ENG | <div style="color: #007BFF;">display</div> | Fire Fly Project, 2005 | Replica. Named Fire Fly. Taken out of service in 2014. Restoration to operation began in 2018. Restoration cancelled. |
| 6106 | 6100 | 2-6-2T | 4'-8½" | GWR | Didcot Railway Centre, Didcot, ENG | <div style="color: #FFC107;">restoration</div> | GWR Swindon Works, 1925 | |
| 4144 | 5101 | 2-6-2T | 4'-8½" | BR (GWR) | Didcot Railway Centre, Didcot, ENG | <div style="color: #28A745;">operational</div> | GWR Swindon Works, 1946 | |
| 4709 | 4700 | 2-8-0 | 4'-8½" | GWR | Didcot Railway Centre, Didcot, ENG | construction | The Great Western Society | Being built using parts from BR 4-6-0 4073 class 7027 'Thornbury Castle' and GWR 2-8-0 2800 class 2861. Construction began in 2012. Currently scheduled to be completed sometime in 2026. |
| 7202 | 7200 | 2-8-2T | 4'-8½" | GWR | Didcot Railway Centre, Didcot, ENG | <div style="color: #FFC107;">restoration</div> | GWR Swindon Works, 1934 | |
| Iron Duke | 4-2-2 | 84¼" | GWR | Didcot Railway Centre, Didcot, ENG | <div style="color: #007BFF;">display</div> | Resco Railways, 1985 | Named Iron Duke. |
| 5051 | 4073 | 4-6-0 | 4'-8½" | GWR (BR) | Didcot Railway Centre, Didcot, ENG | <div style="color: #007BFF;">display</div> | GWR Swindon Works, 05/1936 | Named Earl Bathurst. Previously named Drysllwyn Castle. Remained in a scrapyard until March 1969. Restored to operation in 1979. Previously operated in 2008. Awaiting possible overhaul. |
| 6023 | 6000 | 4-6-0 | 4'-8½" | BR (GWR) | Didcot Railway Centre, Didcot, ENG | <div style="color: #FFC107;">overhaul</div> | GWR Swindon Works, 1930 | Named King Edward II. Taken out of service for major maintenance in September 2012. Returned to operation in January 2013. Taken out of service again in September 2020. |
| 1014 | 1000 | 4-6-0 | 4'-8½" | GWR | Didcot Railway Centre, Didcot, ENG | construction | GWR Swindon Works | Replica. Named County of Glamorgan. Being built using parts from a GWR Hall class (the boiler will come from LMS 8F class 48518). |
| 2999 | 2900 | 4-6-0 | 4'-8½" | GWR | Didcot Railway Centre, Didcot, ENG | <div style="color: #28A745;">operational</div> | GWR Swindon Works, 2019 | Named Lady of Legend. Construction completed in 2019. Second newly-built steam locomotive in the UK. Built using parts from scrapped GWR Hall class 4942 'Maindy Hall'. |
| 4942 | 4900 | 4-6-0 | 4'-8½" | GWR (BR) | Didcot Railway Centre, Didcot, ENG | scrapped | GWR Swindon Works, 1929 | Named Maindy Hall. Scrapped sometime during the late 2010s. Some parts have been reused for the construction of newly-built GWR Saint class 2999 'Lady of Legend'. |
| 4079 | 4073 | 4-6-0 | 4'-8½" | GWR (BR) | Didcot Railway Centre, Didcot, ENG | <div style="color: #28A745;">operational</div> | GWR Swindon Works, 02/1924 | Named Pendennis Castle. Operated in excursion service in Australia from 1978 to 1994. Restored back to operation in August 2021. Debuted in excursion service in the UK on April 2, 2022. |
| 2 | | 0-4-0PT+T | 24" | Nursery Railway | Bressingham Steam Museum & Gardens, Diss, ENG | <div style="color: #28A745;">operational</div> | Bressingham Steam Preservation Trust #2, 2009 | Named Bevan. |
| 25 | | 0-4-0ST | 4'-8½" | Beckton Gas Works | Bressingham Steam Museum & Gardens, Diss, ENG | <div style="color: #007BFF;">display</div> | Neilson Reid & Co. #5087, 1896 | |
| 994 | | 0-4-0ST | 24" | Penrhyn Quarry Railway | Bressingham Steam Museum & Gardens, Diss, ENG | <div style="color: #28A745;">operational</div> | Hunslet Engine Co. #994, 1909 | Named George Sholto. Previously named Bill Harvey. |
| 102 | B4 | 0-4-0T | 4'-8½" | LSWR | Bressingham Steam Museum & Gardens, Diss, ENG | <div style="color: #007BFF;">display</div> | LSWR Nine Elms Works #406, 1893 | Named Granville. |
| 87 | S56 | 0-6-0T | 4'-8½" | Great Eastern | Bressingham Steam Museum & Gardens, Diss, ENG | <div style="color: #007BFF;">display</div> | Great Eastern Railway Stratford Works #1249, 09/1904 | |
| 62 | A1X | 0-6-0T | 4'-8½" | LB&SCR | Bressingham Steam Museum & Gardens, Diss, ENG | <div style="color: #28A745;">operational</div> | LB&SCR Brighton Works, 1875 | Named Martello. |
| 92203 | 9F | 2-10-0 | 4'-8½" | BR | Bressingham Steam Museum & Gardens, Diss, ENG | <div style="color: #28A745;">operational</div> | BR Swindon Works, 04/1959 | Named Black Prince. From the North Norfolk Railway, Sheringham. |
| 5865 | DRB 52 | 2-10-0 | 4'-8½" | Norwegian State Railways (DRB) | Bressingham Steam Museum & Gardens, Diss, ENG | <div style="color: #007BFF;">display</div> | Schichau (Elbing) #4177, 1944 | Only German steam locomotive in the UK. |
| 490 (62785) | E4 (T26) | 2-4-0 | 4'-8½" | Great Eastern (BR) | Bressingham Steam Museum & Gardens, Diss, ENG | <div style="color: #007BFF;">display</div> | Great Eastern Railway Stratford Works #836, 01/1895 | Owned by the National Railway Museum York. On long-term loan to the Bressingham Steam Museum since the early 1990s. |
| 377 | 21c | 2-6-0 | 4'-8½" | Norwegian State Railways | Bressingham Steam Museum & Gardens, Diss, ENG | <div style="color: #28A745;">operational</div> | Nydqvist & Holm AB #1164, 1919 | Named King Haakon VII. |
| | 2-6-2T | 15" | Windmill Farm Railway | Bressingham Steam Museum & Gardens, Diss, ENG | <div style="color: #28A745;">operational</div> | Exmoor Steam Railway Bratton Fleming Works #311, 2001 | Named St. Christopher. |
| 80 (41966) | 79 | 4-4-2T | 4'-8½" | LTSR (BR) | Bressingham Steam Museum & Gardens, Diss, ENG | <div style="color: #007BFF;">display</div> | Robert Stephenson & Co. (Darlington Works), 1909 | Named Thundersley. Owned by the National Railway Museum York. Restored to operation in 1968. Operated briefly in excursion service until 1972. |
| 251 | C1 | 4-4-2 | 4'-8½" | Great Northern | Danum Gallery Library and Museum, Doncaster, ENG | <div style="color: #007BFF;">display</div> | Doncaster Locomotive Works #991, 1902 | Basis for Alice in Sodor the Modern Years. |
| 5 | CDRJC 5 | 2-6-4T | 36" | County Donegal Railways Joint Committee | Donegal Railway Heritage Museum, Donegal, IRL | <div style="color: #007BFF;">display</div> | Nasmyth Wilson & Co. #829, 1907 | Named Drumboe. |
| 9 | | 0-4-0Tram | 24" | | North Ings Farm Museum, Dorrington, ENG | <div style="color: #28A745;">operational</div> | T. Hall #1859401, 1994 | Named Swift. |
| 15 (4) | | 0-6-0T | 36" | Manx Northern Railway | Isle of Man Railway, Douglas, IOM | <div style="color: #28A745;">operational</div> | Dübs & Co. (Scotland) #2178, 1885 | Named Caledonia. |
| 4 | | 2-4-0T | 36" | Isle of Man Railway | Isle of Man Railway, Douglas, IOM | <div style="color: #28A745;">operational</div> | Beyer, Peacock & Co. #1416, 1874 | Named Loch. |
| 8 | | 2-4-0T | 36" | Isle of Man Railway | Isle of Man Railway, Douglas, IOM | <div style="color: #28A745;">operational</div> | Beyer, Peacock & Co. #3610, 1894 | Named Fenella. |
| 12 | | 2-4-0T | 36" | Isle of Man Railway | Isle of Man Railway, Douglas, IOM | <div style="color: #FFC107;">out of service</div> | Beyer, Peacock & Co. #5126, 1907 | Named Hutchinson. |
| 13 | | 2-4-0T | 36" | Isle of Man Railway | Isle of Man Railway, Douglas, IOM | <div style="color: #28A745;">operational</div> | Beyer, Peacock & Co. #5382, 1910 | Named Kissack. |
| 5 | | 2-4-0T | 36" | Isle of Man Railway | Isle of Man Railway, Douglas, IOM | <div style="color: #007BFF;">display</div> | Beyer, Peacock & Co. #1417, 1874 | Named Mona. |
| 11 | | 2-4-0T | 36" | Isle of Man Railway | Isle of Man Railway, Douglas, IOM | <div style="color: #28A745;">operational</div> | Beyer, Peacock & Co. #4663, 1905 | Named Maitland. |
| 16 | | 2-4-0T | 36" | Isle of Man Railway | Isle of Man Railway, Douglas, IOM | <div style="color: #FFC107;">restoration</div> | Beyer, Peacock & Co. #6296, 1926 | Named Mannin. Restoration to operating condition. |
| 1 | OK CSÉT | 0-4-0T+WT | 5'-3" | Comlucht Suicre Eireann | Downpatrick & Country Down Railway, Downpatrick, NRL | <div style="color: #FFC107;">out of service</div> | Orenstein & Koppel #12475, 1934 | This locomotive has the combination of side tanks and a well tank. Therefore, it is known as an 0-4-0T WT wheel arrangement. Withdrawn from traffic at the end of 2022 due to the expiry of her 10-year boiler ticket, and is currently awaiting overhaul. |
| 3 | OK CSÉT | 0-4-0T+WT | 5'-3" | Comlucht Suicre Eireann | Downpatrick & Country Down Railway, Downpatrick, NRL | <div style="color: #28A745;">operational</div> | Orenstein & Koppel #12662, 1935 | |
| 90 | 90 | 0-6-0T | 5'-3" | Great Southern & Western | Downpatrick & Country Down Railway, Downpatrick, NRL | <div style="color: #FFC107;">restoration</div> | Inchicore Works, 1875 | To be restored to operation. |
| 22 | | 0-4-0T | 22" | Arthur Guinness, Son & Co | Cavan and Leitrim Railway, Dromod, IRL | <div style="color: #007BFF;">display</div> | Wm. Spence (Dublin), 1912 | |
| 5 | | 0-6-0T | 36" | Stanton Ironworks | Cavan and Leitrim Railway, Dromod, IRL | <div style="color: #28A745;">operational</div> | Avonside Engine (Bristol) #1547, 1908 | Named Nancy. |
| 17 | | 0-4-0T | 22" | Arthur Guinness, Son & Co | Guinness Storehouse, Dublin, IRL | <div style="color: #007BFF;">display</div> | Wm. Spence (Dublin), 1902 | |
| 4 | | 0-6-0ST | 4'-8½" | National Coal Board (Littleton Colliery) | Carlingford Brewing Company, Dundalk, IRL | <div style="color: #DC3545;">stored</div> | Hunslet Engine Co. #1800, 1936 | From the Riverstown Mill Railway, Dundalk. |
| 29 | | 0-4-0ST | 4'-8½" | National Coal Board | Pittencrieff Park, Dunfermline, SCT | <div style="color: #007BFF;">display</div> | Andrew Barclay Sons & Co. #1996, 1934 | |
| | 0-6-0F | 4'-8½" | Central Electricity Generating Board | Devil''s Porridge Museum, Eastriggs, SCT | <div style="color: #007BFF;">display</div> | Andrew Barclay Sons & Co. #1550, 1917 | Named Sir James. |
| | 0-4-0WT | 4'-8½" | National Coal Board | National Museum of Scotland, Edinburgh, SCT | <div style="color: #007BFF;">display</div> | Hawthorn of Leith #244, 1861 | Named Ellesmere. |
| | 4wG | 5' | Wylam Colliery | National Museum of Scotland, Edinburgh, SCT | <div style="color: #007BFF;">display</div> | William Hedley, 1813 | Named Wylam Dilly. |
| 1 | | 0-4-0ST+T | 15" | Sherwood Forest Railway | Sherwood Forest Railway, Edwinstowe, ENG | <div style="color: #28A745;">operational</div> | K. Hardy #1, 1991 | Named Smokey Joe. |
| 2 | | 0-4-0ST+T | 15" | Sherwood Forest Railway | Sherwood Forest Railway, Edwinstowe, ENG | <div style="color: #28A745;">operational</div> | K. Hardy #2, 1998 | Named Pet. |
| 10 | | 4wVBGT | 4'-8½" | Kent & East Sussex Railway | Elsecar Heritage Railway, Elsecar, ENG | <div style="color: #28A745;">operational</div> | Sentinel Waggon Works (Shrewsbury) #6807, 1928 | Named Gervase. |
| 7 | | 0-6-0ST | 4'-8½" | National Coal Board (Ackton Hall Colliery) | Embsay & Bolton Abbey Steam Railway, Embsay, ENG | <div style="color: #28A745;">operational</div> | Hunslet Engine Co. #2705, 1945 | Named Beatrice. |
| 47 | | 0-6-0ST | 4'-8½" | National Coal Board | Embsay & Bolton Abbey Steam Railway, Embsay, ENG | <div style="color: #28A745;">operational</div> | Robert Stephenson & Hawthorns #7849, 1955 | Named Moorbarrow. |
| | 0-6-2T | 12¼" | Exbury Gardens Railway | Exbury Gardens & Steam Railway, Exbury, ENG | <div style="color: #28A745;">operational</div> | Exmoor Steam Railway Bratton Fleming Works #315, 2001 | Named Rosemary. |
| | 0-6-2T | 12¼" | Exbury Gardens Railway | Exbury Gardens & Steam Railway, Exbury, ENG | <div style="color: #28A745;">operational</div> | Exmoor Steam Railway Bratton Fleming Works #316, 2002 | Name Naomi. |
| | 2-6-0 | 12¼" | Exbury Gardens Railway | Exbury Gardens & Steam Railway, Exbury, ENG | <div style="color: #28A745;">operational</div> | Exmoor Steam Railway Bratton Fleming Works #326, 2008 | Named Mariloo. |
| | 0-4-0ST | 12¼" | Reseau Guerledan | Fairbourne Railway, Fairbourne, WAL | <div style="color: #28A745;">operational</div> | Milner Engineering, 1978 | Miniature replica. Named Sherpa. Previously named France. |
| | 2-6-4T | 12¼" | Reseau Guerledan | Fairbourne Railway, Fairbourne, WAL | <div style="color: #28A745;">operational</div> | Milner Engineering, 1979 | Miniature replica. Named Russell. Previously named Kitson. |
| 31 | | 0-6-0ST | 4'-8½" | Sir Robert McAlpine & Sons | Fawley Hill, Fawley, ENG | <div style="color: #28A745;">operational</div> | Hudswell, Clarke & Co. #1026, 1913 | The Fawley HIll Railway has a maximum gradient of 1:13, the steepest in Great Britain. Privately owned. Visited the Didcot Railway Centre, Didcot, ENG in 2019. |
| 3 | | 0-4-0ST | 24" | Provan Gas Works | Kempton Steam Railway, Feltham, ENG | <div style="color: #28A745;">operational</div> | Andrew Barclay Sons & Co. #984, 1903 | Named Darent. |
| 61994 (3442) | 6MT (K4) | 2-6-0 | 4'-8½" | BR (LNER) | John Cameron Museum, Fife, SCT | <div style="color: #007BFF;">display</div> | LNER Darlington Works, 07/1938 | Named The Great Marquess. Owned by John Cameron. Restored to operation in Apr 1963. Taken out of service in Apr 1967. Returned to operation in 1980. Retired from excursion service in Oct 2015 due to firebox damage. |
| 60009 (4488) | A4 | 4-6-2 | 4'-8½" | BR (LNER) | John Cameron Museum, Fife, SCT | <div style="color: #007BFF;">display</div> | LNER Doncaster Works, 1937 | Named Union of South Africa. Restored to operation in 1973. Uses the tender of scrapped LNER 10000. Retired from excursion service in Oct 2021 due to leaking boiler tubes. Previously displayed at the Bury Transport Museum from May 2022 to May 2023. |
| 60700 (10000) | W1 | 4-6-4 | 4'-8½" | BR (LNER) | John Cameron Museum, Fife, SCT | <div style="color: #007BFF;">display</div> | LNER Darlington Works, 1929 | Nicknamed 'Hush-Hush'. The engine itself was scrapped after retirement in 1959, but the tender still survives today. It is currently being used behind BR 60009 'Union of South Africa'. |
| | 0-4-0ST | 4'-8½" | Holborough Cement Co. | Fifield Central, Fifield, ENG | <div style="color: #28A745;">operational</div> | Peckett & Sons #1756, 1928 | Named Hornpipe. Privately owned. |
| | 0-4-0ST | 4'-8½" | Associated Portland Cement Manufacturers | Fifield Central, Fifield, ENG | <div style="color: #28A745;">operational</div> | Andrew Barclay Sons & Co. #699, 1891 | Named Swanscombe. From Quainton. |
| 91016 (1016) | Hr1 | 4-6-2 | 5' | BR (Valtion Rautatiet/Finnish State RW) | Fifield Central, Fifield, ENG | <div style="color: #28A745;">operational</div> | Tampella Locomotive Works #946, 1955 | Named Lady Patricia. Privately owned. Restored to operation in June 2023. Only operational broad gauge steam locomotive in the UK. Largest operational steam locomotive in the UK. |
| | 4wWT | 4'-8½" | Vickers Armstrong | Fifield Central, Fifield, ENG | <div style="color: #28A745;">operational</div> | Aveling & Porter #8800, 1917 | Named Sir Vincent. Technically very similar to a traction engine/steam tractor. Listed for sale in November 2025. |
| 22 | | 0-4-0ST | 4'-8½" | National Coal Board | Bowes Railway, Gateshead, ENG | <div style="color: #28A745;">operational</div> | Andrew Barclay Sons & Co. #2274, 1949 | |
| 1 | | 0-4-0GT | 4'-8½" | Northhampton Gas Works | Glasgow Museums Resource Centre, Glasgow, SCT | <div style="color: #007BFF;">display</div> | Alexander Chaplin & Co. #2368, 1885 | |
| 1 | | 0-6-0F | 4'-8½" | South Scotland Electricity Board | Glasgow Museums Resource Centre, Glasgow, SCT | <div style="color: #007BFF;">display</div> | Andrew Barclay Sons & Co. #1571, 1917 | |
| 9 | 5 | 0-6-0T | 4'-8½" | Glasgow & South Western Railway | Riverside Museum, Glasgow, SCT | <div style="color: #007BFF;">display</div> | North British Locomotive Co. #21521, 1917 | |
| 123 | Single | 4-2-2 | 4'-8½" | Caledonian Railway | Riverside Museum, Glasgow, SCT | <div style="color: #007BFF;">display</div> | Neilson Reid & Co. #3553, 1886 | |
| 256 | K | 4-4-0 | 4'-8½" | North British Railway | Riverside Museum, Glasgow, SCT | <div style="color: #007BFF;">display</div> | Cowlairs, 09/1913 | |
| 103 | Jones Goods | 4-6-0 | 4'-8½" | Highland Railway | Riverside Museum, Glasgow, SCT | <div style="color: #007BFF;">display</div> | Sharp, Stewart & Co. #4022, 09/1894 | |
| 3007 | 15F | 4-8-2 | 42" | South African Railways | Riverside Museum, Glasgow, SCT | <div style="color: #007BFF;">display</div> | North British Locomotive Co. #25546, 1944 | |
| 37 | | 0-4-0ST | 4'-8½" | War Dept. | Isle of Wight Steam Railway, Havenstreet, ENG | <div style="color: #28A745;">operational</div> | Hawthorn Leslie & Co. #3135, 1915 | Named Invincible. |
| W24 | O2 | 0-4-4T | 4'-8½" | LSWR | Isle of Wight Steam Railway, Havenstreet, ENG | <div style="color: #28A745;">operational</div> | LSWR Nine Elms Works #341, 1891 | Named Calbourne. Basis for Lily in Sodor the Modern Years. |
| 192 | | 0-6-0ST | 4'-8½" | War Dept. | Isle of Wight Steam Railway, Havenstreet, ENG | <div style="color: #28A745;">operational</div> | Hunslet Engine Co. #3792, 1953 | Named Waggoner. |
| W8 (46) | A1X | 0-6-0T | 4'-8½" | Southern (LB&SCR) | Isle of Wight Steam Railway, Havenstreet, ENG | <div style="color: #28A745;">operational</div> | LB&SCR Brighton Works, 1876 | Named Freshwater. Previously named Newington. |
| W11 (40) | A1X | 0-6-0T | 4'-8½" | Southern (LB&SCR) | Isle of Wight Steam Railway, Havenstreet, ENG | <div style="color: #28A745;">operational</div> | LB&SCR Brighton Works, 1878 | Named Newport. Previously named Brighton. |
| 2 | E1 | 0-6-0T | 4'-8½" | LB&SCR | Isle of Wight Steam Railway, Havenstreet, ENG | <div style="color: #FFC107;">restoration</div> | LB&SCR Brighton Works, 1877 | Named Yarmouth. Restoration to operation expected to be completed by 2026. |
| 198 | | 0-6-0T | 4'-8½" | War Dept. | Isle of Wight Steam Railway, Havenstreet, ENG | <div style="color: #28A745;">operational</div> | Hunslet Engine Co. #3798, 1953 | Named Royal Engineer. |
| | 0-6-0T | 4'-8½" | National Coal Board | Isle of Wight Steam Railway, Havenstreet, ENG | <div style="color: #007BFF;">display</div> | Robert Stephenson & Co. (Darlington Works) #2309, 1879 | Named Haydock. |
| 41298 | 2MTT | 2-6-2T | 4'-8½" | BR | Isle of Wight Steam Railway, Havenstreet, ENG | <div style="color: #28A745;">operational</div> | BR Crewe Works, 1951 | |
| 41313 | 2MTT | 2-6-2T | 4'-8½" | BR | Isle of Wight Steam Railway, Havenstreet, ENG | <div style="color: #28A745;">operational</div> | BR Crewe Works, 1952 | |
| 1378 | | 0-6-0ST | 4'-8½" | North Pembrokeshire & Fishguard | Scolton Manor Park, Haverfordwest, WAL | <div style="color: #007BFF;">display</div> | Fox Walker #410, 1878 | Named Margaret. May be undergoing cosmetic restoration. |
| 14 | | 0-6-0ST | 4'-8½" | Preston Docks | Lakeside & Haverthwaite Railway, Haverthwaite, ENG | <div style="color: #28A745;">operational</div> | W. G. Bagnall #2682, 1942 | Named Princess. |
| 2996 | | 0-6-0ST | 4'-8½" | British Motor Corp. | Lakeside & Haverthwaite Railway, Haverthwaite, ENG | <div style="color: #28A745;">operational</div> | W. G. Bagnall #2996, 1951 | Named Victor. |
| 17 | | 0-6-0T | 4'-8½" | Carron Iron Co. | Lakeside & Haverthwaite Railway, Haverthwaite, ENG | <div style="color: #28A745;">operational</div> | Andrew Barclay Sons & Co. #1245, 1911 | Informally named Thomas. |
| 42073 | 4MT | 2-6-4T | 4'-8½" | BR | Lakeside & Haverthwaite Railway, Haverthwaite, ENG | <div style="color: #28A745;">operational</div> | BR Brighton Works, 1950 | |
| 68 | Pug | 0-4-0 | 4'-8½" | Lancashire & Yorkshire | Keighley & Worth Valley Railway, Haworth, ENG | <div style="color: #007BFF;">display</div> | Horwich Works #811, 09/1901 | |
| 43924 (3924) | 4F (3835) | 0-6-0 | 4'-8½" | MR | Keighley & Worth Valley Railway, Haworth, ENG | <div style="color: #28A745;">operational</div> | Midland Railway Derby Works, 10/1920 | |
| 85 | 02 | 0-6-2T | 4'-8½" | Taff Vale | Keighley & Worth Valley Railway, Haworth, ENG | <div style="color: #DC3545;">stored</div> | Neilson Reid & Co. #5408, 1899 | |
| 78022 | 2MT (Standard) | 2-6-0 | 4'-8½" | BR | Keighley & Worth Valley Railway, Haworth, ENG | <div style="color: #28A745;">operational</div> | BR Darlington Works, 05/1954 | |
| 90733 (79257) | 8F | 2-8-0 | 4'-8½" | BR | Keighley & Worth Valley Railway, Haworth, ENG | <div style="color: #28A745;">operational</div> | Vulcan Foundry #5200, 01/1945 | |
| 5820 | S160 | 2-8-0 | 4'-8½" | USATC (Polish State Railways) | Keighley & Worth Valley Railway, Haworth, ENG | <div style="color: #28A745;">operational</div> | Lima #8758, 1945 | Named Big Jim. |
| 75078 | 4MT | 4-6-0 | 4'-8½" | BR | Keighley & Worth Valley Railway, Haworth, ENG | <div style="color: #28A745;">operational</div> | BR Swindon Works, 1956 | |
| 45596 (5596) | 6P5F (Jubilee) | 4-6-0 | 4'-8½" | BR (LMS) | Keighley & Worth Valley Railway, Haworth, ENG | <div style="color: #28A745;">operational</div> | North British Locomotive Co. #24154, 12/1934 | Named Bahamas. Privately owned. Only LMS Jubilee class preserved with a double chimney. Restored to operation in Oct 1972. Taken out of service in 2013. Returned to operation in early 2019. Currently certified for mainline operations. |
| 45212 (5212) | 5MT (5) | 4-6-0 | 4'-8½" | BR (LMS) | Keighley & Worth Valley Railway, Haworth, ENG | <div style="color: #28A745;">operational</div> | Sir W.G. Armstrong Whitworth & Co., 1935 | Restored to operation in 2000. Taken out of service in early July 2011. Returned to operation in October 2016. |
| 34092 | 7P 5FA (West Country) | 4-6-2 | 4'-8½" | BR | Keighley & Worth Valley Railway, Haworth, ENG | <div style="color: #28A745;">operational</div> | BR Brighton Works, 09/1949 | Named City of Wells. Restored to operation in 1979. Taken out of service in 1989. Taken out of service again in early January 2023. Returned to operation in September 2023. |
| | 0-4-0ST | 24" | Penrhyn Quarry Railway | Teifi Valley Railway, Henllan, WAL | <div style="color: #28A745;">operational</div> | Hunslet Engine Co. #606, 1894 | Named Alan George. |
| 21 (34) | | 0-4-0WT | 24" | Minas y Ferrocarril de Utrillas | West Lancashire Light Railway, Hesketh Bank, ENG | <div style="color: #28A745;">operational</div> | Orenstein & Koppel #6641, 1913 | Named Montalban. |
| 22 (35) | | 0-4-0WT | 24" | Minas y Ferrocarril de Utrillas | West Lancashire Light Railway, Hesketh Bank, ENG | <div style="color: #28A745;">operational</div> | Orenstein & Koppel #2378, 1907 | Named Utrillas. |
| 9 | | 0-6-0WT | 24" | Carrieres de la Valee-Meureuse | West Lancashire Light Railway, Hesketh Bank, ENG | <div style="color: #28A745;">operational</div> | Kerr, Stuart & Co. (Stoke on Trent) #2045, 1915 | Named Joffre. |
| 2 | | 2-4-2T | 12¼" | Newchapel, Horne & Burstow Grand Junction Railway | Newchapel, Horne & Burstow Grand Junction Railway, Horne, ENG | <div style="color: #28A745;">operational</div> | | Builder info unknown. Named Exmoor. Privately owned. Probably built by Exmoor Steam Railway sometime in the 1990s. |
| | 0-4-0ST | 4'-8½" | Courtaulds Ltd. | Telford Steam Railway, Horsehay, ENG | <div style="color: #28A745;">operational</div> | Peckett & Sons #1722, 1926 | Named Rocket. |
| | 0-4-0Tram | 24" | Telford Town Tramway | Telford Steam Railway, Horsehay, ENG | <div style="color: #28A745;">operational</div> | Alan Keef Ltd, 1979 | Named Thomas. |
| 5619 | 5600 | 0-6-2T | 4'-8½" | BR (GWR) | Telford Steam Railway, Horsehay, ENG | <div style="color: #28A745;">operational</div> | GWR Swindon Works, 1925 | |
| 1 | PT 1-2 | 0-4-0 | 36" | Portstewart Tramway | Streetlife Museum of Transport, Hull, ENG | <div style="color: #007BFF;">display</div> | Kitson & Co. #T56, 1882 | |
| 1704 | | 0-6-0T | 4'-8½" | Associated Portland Cement Manufacturers | Ingrow Loco, Ingrow, ENG | <div style="color: #28A745;">operational</div> | Hudswell, Clarke & Co. #1704, 1938 | Named Nunlow. Operated by the Bahamas Locomotive Society. |
| 1054 (7799) | | 0-6-2T | 4'-8½" | London & North Western | Ingrow Loco, Ingrow, ENG | <div style="color: #28A745;">operational</div> | LNWR Crewe Works #2979, 1888 | Named Coal Tank. Operated by the Bahamas Locomotive Society. |
| 1450 | 1400 | 0-4-2T | 4'-8½" | GWR | Severn Valley Railway, Kidderminster, ENG | <div style="color: #28A745;">operational</div> | GWR Swindon Works, 07/1935 | |
| 397 | | 0-4-4T | 4'-8½" | Duke of Sutherland | Severn Valley Railway, Kidderminster, ENG | <div style="color: #FFC107;">restoration</div> | Sharp, Stewart & Co. #4085, 1898 | Named Dunrobin. From England, then Ft. Steele, BC, Canada, then England again in 2011. Restoration to operation may be completed by 2026. |
| 1501 | 1500 | 0-6-0PT | 4'-8½" | BR | Severn Valley Railway, Kidderminster, ENG | <div style="color: #FFC107;">overhaul</div> | BR Swindon Works, 1949 | Owned by the 1501 Pannier Tank Association. Restored to operation in May 1997. Taken out of service in January 2023. |
| 7714 | 5700 | 0-6-0PT | 4'-8½" | BR (GWR) | Severn Valley Railway, Kidderminster, ENG | <div style="color: #28A745;">operational</div> | Kerr, Stuart & Co. (Stoke on Trent), 1930 | Restored to operation in 1992. Taken out of service in 2009. Returned to operation in November 2016. |
| L.95 (5764) | 5700 | 0-6-0PT | 4'-8½" | London Transport (GWR) | Severn Valley Railway, Kidderminster, ENG | <div style="color: #FFC107;">overhaul</div> | GWR Swindon Works, 1929 | Restored to operation in 1971 and painted in GWR Brunswick green livery. Taken out of service in 1982. Returned to operation in early 1989. Taken out of service again in Dec 2010. Repainted back into LT Crimson Lake livery in 2019. |
| 71516 | | 0-6-0ST | 4'-8½" | War Dept. | Severn Valley Railway, Kidderminster, ENG | <div style="color: #28A745;">operational</div> | Robert Stephenson & Hawthorns #7170, 1944 | Named Welsh Guardsman. From the Gwili Railway, Bronwydd Arms, Wales. |
| 813 (26) | | 0-6-0ST | 4'-8½" | GWR (Port Talbot Railway & Docks) | Severn Valley Railway, Kidderminster, ENG | <div style="color: #28A745;">operational</div> | Hudswell, Clarke & Co. #555, 06/1901 | Owned by the GWR 813 Preservation Fund. Restored to operation in Jul 2000. Taken out of service in Sep 2009. Taken out of service again in Apr 2022 due to a fracture in the supports under the cab. Returned to operation in Mar 2026. |
| 43106 | 4MT | 2-6-0 | 4'-8½" | BR | Severn Valley Railway, Kidderminster, ENG | <div style="color: #28A745;">operational</div> | BR Darlington Works #2148, 1951 | |
| 13268 (42968) | 5MT (5) | 2-6-0 | 4'-8½" | LMS (BR) | Severn Valley Railway, Kidderminster, ENG | <div style="color: #28A745;">operational</div> | LMS Crewe Works, 1934 | Owned by the Stanier Mogul Fund. Restored to operation in 1991. Taken out of service in 1998 due to deterioration of firebox stays. Taken out of service again for overhaul in 2014. Returned to operation in Oct 2023 and painted in LMS lined black livery. |
| 4566 | 4500 | 2-6-2T | 4'-8½" | BR (GWR) | Severn Valley Railway, Kidderminster, ENG | <div style="color: #28A745;">operational</div> | GWR Swindon Works, 1924 | |
| 82045 | 3MT | 2-6-2T | 4'-8½" | BR | Severn Valley Railway, Kidderminster, ENG | construction | 82045 Steam Locomotive Trust | Will be the 1,001st BR Standard type steam locomotive when construction is complete. Under construction since 2007. |
| 2857 | 2800 | 2-8-0 | 4'-8½" | GWR | Severn Valley Railway, Kidderminster, ENG | <div style="color: #FFC107;">overhaul</div> | GWR Swindon Works #2763, 1918 | Restored to operation in September 1979. Taken out of service in January 2023. |
| 7802 | 7800 | 4-6-0 | 4'-8½" | BR (GWR) | Severn Valley Railway, Kidderminster, ENG | <div style="color: #28A745;">operational</div> | GWR Swindon Works, 01/1938 | Named Bradley Manor. Owned by the Erlestoke Manor Fund. Restored to operation in 1993. Taken out of service in July 2019 due to a broken piston. Returned to operation on January 19, 2025. |
| 7812 | 7800 | 4-6-0 | 4'-8½" | BR (GWR) | Severn Valley Railway, Kidderminster, ENG | <div style="color: #28A745;">operational</div> | GWR Swindon Works, 01/1939 | Named Erlestoke Manor. Owned by the Erlestoke Manor Fund. Restored to operation in September 1979. Taken out of service in December 2017. Returned to operation in April 2023. |
| 4930 | 4900 | 4-6-0 | 4'-8½" | GWR (BR) | Severn Valley Railway, Kidderminster, ENG | <div style="color: #28A745;">operational</div> | GWR Swindon Works, 05/1929 | Named Hagley Hall. Restored to operation in Sep 1979. Previously operated in 1999. Restored back to operation on Sep 9, 2022. Original tender is being used behind BR Hall class 6990 'Witherslack Hall'. |
| 75069 | 4MT (Standard 2) | 4-6-0 | 4'-8½" | BR | Severn Valley Railway, Kidderminster, ENG | <div style="color: #28A745;">operational</div> | BR Swindon Works, 09/1955 | |
| C127 (34027) | 7P 5FA (West Country) | 4-6-2 | 4'-8½" | Southern (BR) | Severn Valley Railway, Kidderminster, ENG | <div style="color: #28A745;">operational</div> | SR Brighton Works, 04/1946 | Named Taw Valley. Repainted in a purple livery for Queen Elizabeth II's Platinum Jubilee and temporarily renumbered to 70 in Apr 2022. Repainted in SR wartime black livery in Feb 2023. Taken out of service in Jan 2024. Returned to service in 2025. |
| 34053 (C153) | 7P 5FA (Battle of Britain) | 4-6-2 | 4'-8½" | BR (Southern) | Severn Valley Railway, Kidderminster, ENG | <div style="color: #28A745;">operational</div> | SR Brighton Works, 01/1947 | Named Sir Keith Park. Restored to operation in May 2012. Taken out of service in early January 2018. Returned to operation on May 29, 2024. |
| | 0-4-0ST | 4'-8½" | Royal Ordnance Factory | Barclay House, Kilmarnock, SCT | <div style="color: #007BFF;">display</div> | Andrew Barclay Sons & Co. #2086, 1940 | Named Drake. |
| | 0-4-0ST | 4'-8½" | South Durham & Lancashire Union Railway | Stainmore Railway Co., Kirkby Stephen, ENG | <div style="color: #28A745;">operational</div> | Peckett & Sons #2084, 1948 | Named F.C. Tingey. |
| 3 | | 0-4-0ST | 4'-8½" | National Coal Board | Thomas Muir Metals, Kirkcaldy, SCT | <div style="color: #DC3545;">stored</div> | Andrew Barclay Sons & Co. #946, 1902 | |
| 53 | | 0-4-0ST | 4'-8½" | National Coal Board | Thomas Muir Metals, Kirkcaldy, SCT | <div style="color: #DC3545;">stored</div> | Andrew Barclay Sons & Co. #1807, 1923 | |
| 22 | | 0-4-0ST | 4'-8½" | National Coal Board | Thomas Muir Metals, Kirkcaldy, SCT | <div style="color: #DC3545;">stored</div> | Andrew Barclay Sons & Co. #1069, 1906 | |
| 7 | | 0-4-0ST | 4'-8½" | National Coal Board | Thomas Muir Metals, Kirkcaldy, SCT | <div style="color: #DC3545;">stored</div> | Andrew Barclay Sons & Co. #2262, 1949 | |
| 10 | | 0-4-0ST | 24" | West of Fife Munitions Railway | Lathalmond Railway Museum, Lathalmond, SCT | <div style="color: #28A745;">operational</div> | North Bay Railway Engineering Co. #2021 | Named Big Dave. |
| 17 | | 0-4-0ST | 24" | National Coal Board | Lathalmond Railway Museum, Lathalmond, SCT | <div style="color: #FFC107;">restoration</div> | Andrew Barclay Sons & Co. #2296, 1952 | |
| 29 | | 0-4-0ST | 4'-8½" | National Coal Board | Lathalmond Railway Museum, Lathalmond, SCT | <div style="color: #FFC107;">restoration</div> | Andrew Barclay Sons & Co. #1142, 1908 | |
| 89 | | 0-2-2VBT | 23½" | Launceston Steam Railway | Launceston Steam Railway, Launceston, ENG | <div style="color: #28A745;">operational</div> | C. Parmenter, 2004 | Named Perseverance. |
| | 0-4-0ST | 23½" | Penrhyn Quarry Railway | Launceston Steam Railway, Launceston, ENG | <div style="color: #28A745;">operational</div> | Hunslet Engine Co. #317, 1883 | Named Lilian. |
| | 0-4-0ST | 23½" | Dinorwic Quarry | Launceston Steam Railway, Launceston, ENG | <div style="color: #28A745;">operational</div> | Hunslet Engine Co. #679, 1898 | Named Covertcoat. |
| | 0-4-0ST | 23½" | Dorothea Quarry | Launceston Steam Railway, Launceston, ENG | <div style="color: #28A745;">operational</div> | Hunslet Engine Co. #763, 1901 | Named Dorothea. |
| | 0-4-0WT | 19" | Great Laxey Mine | Great Laxey Mine Railway, Laxey, IOM | <div style="color: #28A745;">operational</div> | Great North Steam #20, 2004 | Replica, named Ant. |
| | 0-4-0WT | 19" | Great Laxey Mine | Great Laxey Mine Railway, Laxey, IOM | <div style="color: #28A745;">operational</div> | Great North Steam #21, 2004 | Replica, named Bee. |
| | 0-4-0ST | 24" | Callender Cable & Construction Co. | Alan Keef Ltd, Lea, ENG | <div style="color: #28A745;">operational</div> | W. G. Bagnall #2133, 1924 | Named Woto. Privately owned. Can be seen during annual open days. |
| | 0-4-0VBT | 24" | | Alan Keef Ltd, Lea, ENG | <div style="color: #28A745;">operational</div> | Alan Keef Ltd #30, 1990 | Named Taffy. Privately owned. Can be seen during annual open days. |
| 10 | | 2-4-0T | 36" | Isle of Man Railway | Alan Keef Ltd, Lea, ENG | <div style="color: #FFC107;">restoration</div> | Beyer, Peacock & Co. #4662, 1905 | Named G. H. Wood. Being overhauled at Alan Keef Ltd. Lea, England for the Isle of Man Railway. |
| | 0-4-0T | 24" | | Leadhills & Wanlockhead Railway, Leadhills, SCT | <div style="color: #FFC107;">restoration</div> | Orenstein & Koppel #6335, 1913 | Named Charlotte. |
| 12A | | 0-4-0T | 24" | | Leadhills & Wanlockhead Railway, Leadhills, SCT | <div style="color: #FFC107;">restoration</div> | Decauville #917, 1915 | |
| 1310 | H (Y7) | 0-4-0T | 4'-8½" | North Eastern | Middleton Railway, Leeds, ENG | <div style="color: #28A745;">operational</div> | North Eastern Railway Gateshead Works #38, 1891 | |
| 1149 | HS | 0-4-0WT | 4'-8½" | Danish State Railways | Middleton Railway, Leeds, ENG | <div style="color: #007BFF;">display</div> | Hartmann #2110, 1895 | |
| L | 0-6-0ST | 4'-8½" | Associated Portland Cement Manufacturers | Middleton Railway, Leeds, ENG | <div style="color: #28A745;">operational</div> | Manning Wardle #1601, 1901 | Named Matthew Murray. |
| 3 (293) | | 0-6-0ST | 4'-8½" | Slough Estates | Middleton Railway, Leeds, ENG | <div style="color: #28A745;">operational</div> | Hudswell, Clarke & Co. #1544, 1924 | |
| 1 | | 0-4-0ST | 24" | Minworth Sewage Works | Abbey Pumping Station, Leicester, ENG | <div style="color: #28A745;">operational</div> | W. G. Bagnall #2087, 1919 | Named Leonard. |
| | 0-4-0ST | 22¾" | Dinorwic Quarry | Leighton Buzzard Railway, Leighton Buzzard, ENG | <div style="color: #FFC107;">restoration</div> | Avonside Engine (Bristol) #2071, 1933 | Named Elidr, from Bolton, then the South Simcoe Railray, Tottenham, Ontario |
| 3 | | 0-4-0T | 24" | Hoogly Docking & Engineering Co. | Leighton Buzzard Railway, Leighton Buzzard, ENG | <div style="color: #28A745;">operational</div> | Baguley Cars #2007, 1921 | Named Rishra. |
| 1 | | 0-4-0VBT | 24" | Pen-y-Bryn Quarry | Leighton Buzzard Railway, Leighton Buzzard, ENG | <div style="color: #28A745;">operational</div> | De Winton & Co., 1877 | Named Chaloner. |
| 11 | | 0-4-0WT | 24" | Solvay Alkai Works | Leighton Buzzard Railway, Leighton Buzzard, ENG | <div style="color: #28A745;">operational</div> | Orenstein & Koppel #5834, 1912 | Named P.C. Allen. |
| | 0-6-0T | 23½" | Stewarts & Lloyds | Leighton Buzzard Railway, Leighton Buzzard, ENG | <div style="color: #28A745;">operational</div> | Andrew Barclay Sons & Co. #1578, 1918 | Named Gertrude. From the Welsh Highland Railway, Porthmadog, Wales. |
| 5 | | 0-6-0WT | 24" | Likomba Development Co. | Leighton Buzzard Railway, Leighton Buzzard, ENG | <div style="color: #28A745;">operational</div> | Orenstein & Koppel #12740, 1936 | Named Elf. |
| 778 | 10-12-D | 4-6-0PT | 24" | War Dept. | Leighton Buzzard Railway, Leighton Buzzard, ENG | <div style="color: #28A745;">operational</div> | Baldwin #44656, 1917 | |
| | 0-4-0GWT | 4'-8½" | Richard Garrett Engineering | Long Shop Museum, Leiston, ENG | <div style="color: #28A745;">operational</div> | Aveling & Porter #6158, 1906 | Named Sirapite. |
| 3 | | 0-4-0ST | 4'-8½" | British Aluminium Co. | Fife Heritage Railway, Leven, SCT | <div style="color: #007BFF;">display</div> | Andrew Barclay Sons & Co. #2046, 1937 | From the Bo'ness & Kinneil Railway, Bo'ness. Cosmetically restored in 2020. |
| 21 | | 0-4-0ST | 4'-8½" | National Coal Board | Fife Heritage Railway, Leven, SCT | <div style="color: #FFC107;">restoration</div> | Andrew Barclay Sons & Co. #2292, 1951 | |
| 10 | | 0-4-0ST | 4'-8½" | Granton Gasworks | Fife Heritage Railway, Leven, SCT | <div style="color: #28A745;">operational</div> | Andrew Barclay Sons & Co. #1890, 1926 | Named Forth. |
| 115 | D1 | 0-6-0 | 4'-8½" | Furness Railway | Lindal ore sidings, Lindal, ENG | <div style="color: #6C757D;">buried</div> | Sharp, Stewart & Co. #2946, 1881 | Buried under former sidings. Unsure of exact location. |
| 38 | | 0-4-0ST | 24" | Dinorwic Quarry | Hollycombe Working Steam Museum, Liphook, ENG | <div style="color: #28A745;">operational</div> | Hunslet Engine Co. #638, 1895 | Named Jerry M. |
| 2 | | 0-4-0ST | 23½" | Dinorwic Quarry | Llanberis Lake Railway, Llanberis, WAL | <div style="color: #28A745;">operational</div> | Hunslet Engine Co. #849, 1904 | Named Thomas Bach. Previously named Wild Aster. |
| 3 (293) | | 0-4-0ST | 23½" | Port Dinorwic | Llanberis Lake Railway, Llanberis, WAL | <div style="color: #28A745;">operational</div> | Hunslet Engine Co. #1430, 1922 | Named Dolbadarn. |
| 1 | | 0-4-0ST | 23½" | Dinorwic Quarry | Llanberis Lake Railway, Llanberis, WAL | <div style="color: #28A745;">operational</div> | Hunslet Engine Co. #493, 1889 | Named Elidir. Previously named Enid and Red Damsel. |
| | 0-4-0ST | 23½" | Dinorwic Quarry | National Slate Museum, Llanberis, WAL | <div style="color: #28A745;">operational</div> | Hunslet Engine Co. #873, 1905 | Named Una. |
| 3 | | 0-4-2Tcog | 800mm | Snowdon Mountain Railway | Snowdon Mountain Railway, Llanberis, WAL | <div style="color: #28A745;">operational</div> | Swiss Locomotive & Machine Works #925, 1895 | Named Wyddfa. |
| 2 | | 0-4-2Tcog | 800mm | Snowdon Mountain Railway | Snowdon Mountain Railway, Llanberis, WAL | <div style="color: #28A745;">operational</div> | Swiss Locomotive & Machine Works #934, 1895 | Named Enid. |
| 6 | | 0-4-2Tcog | 800mm | Snowdon Mountain Railway | Snowdon Mountain Railway, Llanberis, WAL | <div style="color: #28A745;">operational</div> | Swiss Locomotive & Machine Works #2838, 1922 | Named Padarn. |
| 1 | | 0-6-0T | 30" | Welshpool & Llanfair Light Railway | Welshpool & Llanfair Light Railway, Llanfair Caereinion, WAL | <div style="color: #28A745;">operational</div> | Beyer, Peacock & Co. #3496, 1902 | Named The Earl. |
| 2 | | 0-6-0T | 30" | Welshpool & Llanfair Light Railway | Welshpool & Llanfair Light Railway, Llanfair Caereinion, WAL | <div style="color: #28A745;">operational</div> | Beyer, Peacock & Co. #3497, 1902 | Named Countess. |
| 12 | | 0-6-2T | 30" | Antigua Sugar | Welshpool & Llanfair Light Railway, Llanfair Caereinion, WAL | <div style="color: #28A745;">operational</div> | Kerr, Stuart & Co. (Stoke on Trent) #4404, 1929 | Named Joan. From the Antigua Sugar Factory. Sent to the UK in 1971. |
| 7754 | 5700 | 0-6-0PT | 4'-8½" | GWR (National Coal Board) | Llangollen Railway, Llangollen, WAL | <div style="color: #28A745;">operational</div> | North British Locomotive Co. #24042, 12/1930 | Donated by the National Coal Board to the National Museum Cardiff, Cardiff, WAL on a permanent loan. Restored to operation on August 20, 1993. Previously operated in 2003. Restored back to operation on September 23, 2023. |
| 3802 | 2884 | 2-8-0 | 4'-8½" | GWR | Llangollen Railway, Llangollen, WAL | <div style="color: #28A745;">operational</div> | GWR Swindon Works, 1938 | |
| 2861 | 2800 | 2-8-0 | 4'-8½" | GWR | Llangollen Railway, Llangollen, WAL | scrapped | GWR Swindon Works, 1918 | Some parts have been reused for the ongoing construction of newly-builds GWR 4-4-0 County class 3840 "County of Montgomery" and GWR 2-8-0 4700 class 4709. |
| 3 | | 0-4-0ST | 24" | Dinorwic Quarry | Bala Lake Railway, Llanuwchllyn, WAL | <div style="color: #28A745;">operational</div> | Hunslet Engine Co. #779, 1902 | Named Holy War. |
| | 0-4-0ST | 24" | Dinorwic Quarry | Bala Lake Railway, Llanuwchllyn, WAL | <div style="color: #28A745;">operational</div> | Hunslet Engine Co. #780, 1902 | Named Alice. |
| 8 | | 0-4-0ST | 24" | Penrhyn Quarry Railway | Bala Lake Railway, Llanuwchllyn, WAL | <div style="color: #28A745;">operational</div> | Hunslet Engine Co. #364, 1885 | Named Winifred. Moved from the Indianapolis Motor Speedway warehouse, Terre Haute, IN in 2012. |
| | 0-4-0ST | 24" | Dinorwic Quarry | Bala Lake Railway, Llanuwchllyn, WAL | <div style="color: #28A745;">operational</div> | Hunslet Engine Co. #822, 1903 | Named Maid Marian. |
| 1 | | 0-2-2 | 4'-8½" | Liverpool & Manchester Railway | Science Museum, London, ENG | <div style="color: #007BFF;">display</div> | Robert Stephenson & Co. (Darlington Works), 1829 | Named Rocket. Winner of the 1829 Rainhill Trials. |
| | 4wG | 5' | Wylam Colliery | Science Museum, London, ENG | <div style="color: #007BFF;">display</div> | William Hedley, 1813 | Named Puffing Billy. Oldest surviving steam locomotive in the world. |
| 5972 | 4900 | 4-6-0 | 4'-8½" | Hogwarts Railways (GWR) | Warner Bros. Studio Tour London, London, ENG | <div style="color: #007BFF;">display</div> | GWR Swindon Works, 04/1937 | Named Olton Hall. Fictionally named Hogwarts Castle. Previously owned by West Coast Railway Co. Featured in the Harry Potter films. Taken out of service in 2014. Will remain on display until the current lease expires. |
| 6 | | 0-6-2T | 15" | Jungle Express | Longleat Safari & Adventure Park, Longleat, ENG | <div style="color: #28A745;">operational</div> | Exmoor Steam Railway Bratton Fleming Works #323, 2004 | Named John Hayton. |
| 47406 (16489) | 3F | 0-6-0T | 4'-8½" | BR | Great Central Railway, Loughborough, ENG | <div style="color: #28A745;">operational</div> | Vulcan Foundry #3977, 1926 | |
| 92214 | 9F | 2-10-0 | 4'-8½" | BR | Great Central Railway, Loughborough, ENG | <div style="color: #28A745;">operational</div> | BR Swindon Works, 10/1959 | Named Central Star. Previously named Cock O' the North. |
| 78018 | 2MT (Standard) | 2-6-0 | 4'-8½" | BR | Great Central Railway, Loughborough, ENG | <div style="color: #28A745;">operational</div> | BR Darlington Works, 03/1954 | Named Borough of Darlington. |
| 78019 | 2MT (Standard) | 2-6-0 | 4'-8½" | BR | Great Central Railway, Loughborough, ENG | <div style="color: #28A745;">operational</div> | BR Darlington Works, 03/1954 | Named Borough of Darlington. |
| 46521 | 2MT | 2-6-0 | 4'-8½" | BR | Great Central Railway, Loughborough, ENG | <div style="color: #FFC107;">overhaul</div> | BR Swindon Works, 1953 | Fictionally named Blossom. Owned by Charles Newton and Loughborough Standard Locomotive Group Ltd. Restored to operation in Jul 1974. Taken out of service in 2000. Taken out of service again in Oct 2022. |
| 48305 (8305) | 8F | 2-8-0 | 4'-8½" | BR (LMS) | Great Central Railway, Loughborough, ENG | <div style="color: #FFC107;">overhaul</div> | LMS Crewe Works, 11/1943 | Restored to operation in Feb 1995. Taken out of service in late 2011. Leased to the Keighley & Worth Valley Railway, Haworth, ENG from Mar to Sep 2025. Taken out of service again in late 2025. |
| 102 (63601) | 8K (O4) | 2-8-0 | 4'-8½" | Great Central (BR) | Great Central Railway, Loughborough, ENG | <div style="color: #FFC107;">restoration</div> | GCR Gorton Works, 01/1912 | Owned by the National Railway Museum York. Undergoing overhaul as of 2023. |
| 48624 (8624) | 8F (7F) | 2-8-0 | 4'-8½" | BR | Great Central Railway, Loughborough, ENG | <div style="color: #28A745;">operational</div> | SR Ashford Works, 1943 | |
| 73156 | 5MT (Standard) | 4-6-0 | 4'-8½" | BR | Great Central Railway, Loughborough, ENG | <div style="color: #28A745;">operational</div> | Doncaster Locomotive Works, 12/1956 | |
| 777 (30777) | N15 | 4-6-0 | 4'-8½" | Southern (BR) | Great Central Railway, Loughborough, ENG | <div style="color: #FFC107;">overhaul</div> | North British Locomotive Co. #23223, 06/1925 | Named Sir Lamiel. Owned by the National Railway Museum York. Restored to operation in 1982. Taken out of service in October 2017. |
| 7027 | 4073 | 4-6-0 | 4'-8½" | BR | Great Central Railway, Loughborough, ENG | <div style="color: #FFC107;">restoration</div> | BR Swindon Works, 1949 | Named Thornbury Castle. Sold to the 4709 Project Group, Didcot, ENG in Aug 2022. Rumored to be used as a source of spare parts for the new-build GWR 4-4-0 County class 3840 'County of Montgomery' with the boiler being used from GWR 2-8-0 2800 class 2861. |
| 45305 (5305) | 5MT (5) | 4-6-0 | 4'-8½" | BR (LMS) | Great Central Railway, Loughborough, ENG | <div style="color: #FFC107;">overhaul</div> | Sir W.G. Armstrong Whitworth & Co. #1360, 01/1937 | Named Alderman A.E. Draper. Mainline certification expired in 2020. Taken out of service in October 2021. |
| 6990 | 6959 | 4-6-0 | 4'-8½" | BR | Great Central Railway, Loughborough, ENG | <div style="color: #28A745;">operational</div> | BR Swindon Works, 04/1948 | Named Witherslack Hall. Restored to operation in 1986. Taken out of service in 2001. Returned to operation in 2015. Masqueraded as BR 6988 'Swithland Hall' in 2023. |
| 70013 | 7MT (Britannia) | 4-6-2 | 4'-8½" | BR | Great Central Railway, Loughborough, ENG | <div style="color: #FFC107;">overhaul</div> | BR Crewe Works, 05/1951 | Named Oliver Cromwell. Owned by the National Railway Museum York. One of only two surviving BR Britannia class locomotives, the other one being BR 70000 'Britannia'. Taken out of service in late Nov 2018. |
| 76077 | 4MT (Standard 1) | 2-6-0 | 4'-8½" | BR | Locomotive Maintenance Services, Loughborough, ENG | <div style="color: #FFC107;">restoration</div> | BR Horwich Works, 12/1956 | |
| 2 | | 0-4-0ST | 4'-8½" | Cawdor Quarry | Lincolnshire Wolds Railway, Ludborough, ENG | <div style="color: #28A745;">operational</div> | Peckett & Sons #1749, 1928 | Named Fulstow. |
| 9682 | 5700 | 0-6-0PT | 4'-8½" | BR | Dean Forest Railway, Lydney, ENG | <div style="color: #FFC107;">restoration</div> | BR Swindon Works, 05/1949 | From the GWR Preservation Group, Southall, England. |
| 3806 | | 0-6-0ST | 4'-8½" | National Coal Board | Dean Forest Railway, Lydney, ENG | <div style="color: #28A745;">operational</div> | Hunslet Engine Co. #3806, 1953 | Named Wilbert. |
| 5541 | 4575 | 2-6-2T | 4'-8½" | BR (GWR) | Dean Forest Railway, Lydney, ENG | <div style="color: #28A745;">operational</div> | GWR Swindon Works, 1928 | |
| | 4-4-0T | 600mm | Tongaat Sugar, Natal | Woody Bay Station, Lynton, ENG | <div style="color: #28A745;">operational</div> | W. G. Bagnall #2819, 1946 | Previously named Charles Wytock. Now named Sir George Newnes. In service at the Lynton & Barnstaple Railway. |
| 6 | | 0-4-0CT | 4'-8½" | Hodbarrow Ironworks | Helical Technology Ltd, Lytham St Annes, ENG | <div style="color: #DC3545;">stored</div> | Neilson Reid & Co. #4004, 1890 | Named Snipey. |
| | 4wG | 36" | | Blists Hill Victorian Town, Madeley, ENG | <div style="color: #28A745;">operational</div> | GKN Steel Co., 1990 | Replica of Richard Trevithick's Coalbrookdale locomotive, the world's first steam locomotive ever built (1802). No records of it successfully running exist. |
| | 0-4-0 | 15" | Rhiw Valley Light Railway | Rhiw Valley Light Railway, Manafon, WAL | <div style="color: #28A745;">operational</div> | TMA Engineering #25657, 2003 | Named Jack. |
| | 0-6-2T | 15" | Rhiw Valley Light Railway | Rhiw Valley Light Railway, Manafon, WAL | <div style="color: #28A745;">operational</div> | Severn Lamb #20, 1973 | Named Powys. |
| | 2-2-0 | 4'-8½" | Liverpool & Manchester Railway | Manchester Museum of Science & Industry, Manchester, ENG | <div style="color: #28A745;">operational</div> | Manchester Museum of Science and Industry #2, 1991 | Replica. Named Planet. |
| 3 | | 2-4-0T | 36" | Isle of Man Railway | Manchester Museum of Science & Industry, Manchester, ENG | <div style="color: #007BFF;">display</div> | Beyer, Peacock & Co. #1255, 1873 | Named Pender. |
| 2352 | GL | 4-8-2+2-8-4 | 42" | South African Railways | Manchester Museum of Science & Industry, Manchester, ENG | <div style="color: #007BFF;">display</div> | Beyer, Peacock & Co. #6639, 1930 | |
| 2 | | 0-4-0ST | 4'-8½" | Nobel's Explosives | Tanfield Railway, Marley Hill, ENG | <div style="color: #28A745;">operational</div> | Hawthorn Leslie & Co. #2859, 1911 | |
| | 0-4-0ST | 4'-8½" | Redheugh Gas Works | Tanfield Railway, Marley Hill, ENG | <div style="color: #28A745;">operational</div> | Robert Stephenson & Hawthorns #7409, 1948 | Named Sir Cecil A. Cochrane. |
| 3 | | 0-6-0T | 4'-8½" | Beamish Colliery | Tanfield Railway, Marley Hill, ENG | <div style="color: #28A745;">operational</div> | Robert Stephenson & Co. (Darlington Works) #2730, 1891 | Named Twizell. |
| M2 (M10) | M | 4-6-2 | 42" | TGR | Tanfield Railway, Marley Hill, ENG | <div style="color: #DC3545;">stored</div> | Robert Stephenson & Co. (Darlington Works) #7630, 1951 | From Stanley, Tasmania, Australia. Long term restoration project. |
| | 0-4-2T | 600mm | Rustenberg Platinum Mines | Lynton & Barnstaple Railway, Martinhoe Cross, ENG | <div style="color: #28A745;">operational</div> | W. G. Bagnall #3023, 1953 | Named Isaac. |
| | 0-6-0T | 600mm | French Army | Lynton & Barnstaple Railway, Martinhoe Cross, ENG | <div style="color: #28A745;">operational</div> | Kerr, Stuart & Co. (Stoke on Trent) #2451, 1915 | Named Axe. |
| 762 | E | 2-4-2T | 600mm | Southern (Lynton & Barnstaple) | Lynton & Barnstaple Railway, Martinhoe Cross, ENG | <div style="color: #28A745;">operational</div> | Alan Keef Ltd, 2017 | Named Lyn. |
| 15 (71529) | | 0-6-0ST | 4'-8½" | War Dept. | Peak Rail, Matlock, ENG | <div style="color: #FFC107;">overhaul</div> | Andrew Barclay Sons & Co. #2183, 1945 | Named Earl David. |
| 75019 | | 0-6-0ST | 4'-8½" | War Dept. | Peak Rail, Matlock, ENG | <div style="color: #28A745;">operational</div> | Hunslet Engine Co. #3883, 1944 | Named Lord Phil. |
| 6634 | 5600 | 0-6-2T | 4'-8½" | GWR | Peak Rail, Matlock, ENG | <div style="color: #FFC107;">restoration</div> | GWR Swindon Works, 08/1928 | |
| 3 | | 2-4-4T | 23¾" | | Brecon Mountain Railway, Merthyr Tydfil, WAL | construction | Brecon Mountain Railway | Working from original drawings of former Sandy River and Rangeley Lakes Railroad locomotive 10 (works number 42231) of 1916. |
| 1 (26) | | 2-6-2 | 23¾" | Brecon Mountain (Mogyana Railway) | Brecon Mountain Railway, Merthyr Tydfil, WAL | <div style="color: #28A745;">operational</div> | Baldwin #15511, 10/1897 | Named Santa Teresa. Built as a 2-6-0. Sold to Santa Teresa Sugar Mill, Brazil and regauged to 2'-6'. To the UK in 1990. An attempt was made to regauge back to 1'-11 3/4' but aborted. Acquired by the BMR in 2002. Restored to full working order in 2019. |
| 4 | | 2-6-2 | 23¾" | | Brecon Mountain Railway, Merthyr Tydfil, WAL | construction | Brecon Mountain Railway | Working from original drawings of former Sandy River and Rangeley Lakes Railroad locomotive 23 (works number 40733) of 1913. |
| 2 | | 4-6-2 | 23¾" | Eastern Province Cement Works | Brecon Mountain Railway, Merthyr Tydfil, WAL | <div style="color: #28A745;">operational</div> | Baldwin #61269, 03/1930 | |
| 92207 | 9F | 2-10-0 | 4'-8½" | BR | S&D Trust, Midsomer Norton, ENG | <div style="color: #FFC107;">restoration</div> | BR Swindon Works, 06/1959 | Named Morning Star. |
| 8 | | 0-4-0ST | 4'-8½" | National Coal Board | Royal Deeside Railway, Milton of Crathes, SCT | <div style="color: #DC3545;">stored</div> | Peckett & Sons #2110, 1950 | |
| 2 | | 0-4-0ST | 4'-8½" | Scottish Gas | Royal Deeside Railway, Milton of Crathes, SCT | <div style="color: #28A745;">operational</div> | Andrew Barclay Sons & Co. #807, 1897 | Named Bon Accord. |
| 6435 | 6400 | 0-6-0PT | 4'-8½" | BR (GWR) | West Somerset Railway, Minehead, ENG | <div style="color: #28A745;">operational</div> | GWR Swindon Works, 1937 | From the Bodmin & Wenford Railway, Bodmin. |
| 9466 | 9400 | 0-6-0T | 4'-8½" | BR | West Somerset Railway, Minehead, ENG | <div style="color: #28A745;">operational</div> | Robert Stephenson & Hawthorns, 1951 | Owned by the Kinlet Hall & Thornbury Castle Ltd. Restored to operation in 1985. Taken out of service in 1993. Painted in the GWR Brunswick green livery from 2004 to 2011. Taken out of service again in 2023. Returned to operation in Mar 2024. |
| 9351 (5193) | 9300 | 2-6-0 | 4'-8½" | BR (GWR) | West Somerset Railway, Minehead, ENG | <div style="color: #28A745;">operational</div> | GWR Swindon Works, 10/1934 | Originally built as GWR 5101 class No. 5193. Previously converted to a GWR 4300 class 2-6-0 type. Converted again to a GWR 9300 class in 2004 and renumbered to 9351. Taken out of service in late 2014. Returned to operation in Jan 2019. |
| 80064 | 4MT | 2-6-4T | 4'-8½" | BR | West Somerset Railway, Minehead, ENG | <div style="color: #FFC107;">restoration</div> | BR Brighton Works, 06/1953 | From the Bluebell Railway, Uckfield, ENG. Restored to operation in 1981. Previously operated in 1989. Undergoing restoration back to operation. |
| 53808 (88) | 7F | 2-8-0 | 4'-8½" | BR (S&DJR) | West Somerset Railway, Minehead, ENG | <div style="color: #FFC107;">overhaul</div> | Robert Stephenson & Co. (Darlington Works), 1925 | Owned by the Somerset & Dorset Railway Trust. Restored to operation in 1987. Taken out of service in Oct 2014. Returned to operation in Feb 2016. Leased to the Mid Hants Railway from 2020 to 2023. Taken out of service again in Oct 2023. |
| 3850 | 2884 | 2-8-0 | 4'-8½" | BR (GWR) | West Somerset Railway, Minehead, ENG | <div style="color: #28A745;">operational</div> | GWR Swindon Works, 06/1942 | Owned by the Dinmore Manor Locomotive Ltd. Restored to operation in 2006. Taken out of service in September 2015. Overhaul completed in Sep 2024. |
| 6024 | 6000 | 4-6-0 | 4'-8½" | BR (GWR) | West Somerset Railway, Minehead, ENG | <div style="color: #28A745;">operational</div> | GWR Swindon Works, 06/1930 | Named King Edward I. Owned by the Royal Scot Locomotive & General Trust. Restored to operation in Feb 1989. Taken out of service in Apr 2012. Returned to operation in Aug 2022. |
| 6960 | 6959 | 4-6-0 | 4'-8½" | GWR (BR) | West Somerset Railway, Minehead, ENG | <div style="color: #007BFF;">display</div> | GWR Swindon Works, 03/1944 | Named Raveningham Hall. Owned by the Locomotive Services Ltd. Restored to operation in 1975. Taken out of service in Apr 2003. Returned to operation in Nov 2011. Taken out of service again in Jul 2021. Awaiting overhaul. |
| 7822 | 7800 | 4-6-0 | 4'-8½" | BR | West Somerset Railway, Minehead, ENG | <div style="color: #FFC107;">overhaul</div> | BR Swindon Works, 12/1950 | Named Foxcote Manor. Owned by the Foxcote Manor Society. Restored to operation in 1988. Taken out of service in Dec 2014. Returned to operation in Apr 2016. Taken out of service again in Dec 2025. |
| 7828 | 7800 | 4-6-0 | 4'-8½" | BR | West Somerset Railway, Minehead, ENG | <div style="color: #28A745;">operational</div> | BR Swindon Works, 12/1950 | Named Odney Manor. Previously named Norton Manor. Restored to operation in December 1987. Taken out of service in 2016. Returned to operation in December 2018. |
| 5 | 5C (IN1) | 0-6-2T | 36" | West Clare Railway | West Clare Railway, Moyasta, IRL | <div style="color: #28A745;">operational</div> | Dübs & Co. (Scotland) #2890, 1892 | Named Slieve Callan. |
| 4 | | 0-4-0 | 15" | Romney, Hythe & Dymchurch Railway | Romney, Hythe & Dymchurch Railway, New Romney, ENG | <div style="color: #28A745;">operational</div> | Locomotivfabrik Krauss & Co. #8378, 1926 | Named The Bug. |
| 7 | | 4-6-2 | 15" | Romney, Hythe & Dymchurch Railway | Romney, Hythe & Dymchurch Railway, New Romney, ENG | <div style="color: #28A745;">operational</div> | Davey, Paxman & Co. #16043, 1927 | Named Typhoon. |
| 8 | | 4-6-2 | 15" | Romney, Hythe & Dymchurch Railway | Romney, Hythe & Dymchurch Railway, New Romney, ENG | <div style="color: #28A745;">operational</div> | Davey, Paxman & Co. #16044, 1927 | Named Hurricane. |