TOPS Shed Codes
The following compliments the Locomotive Pool Codes section. Members are welcome to send any alterations and comments to John Lewis. Thanks for the help given by N.Hayllar in compiling the list.
| AC | Aberdeen Clayhills - NXEC. | |
| AD | Ashford - Hitachi. | |
| AF | Ashford Chart Leacon - Bombardier. | |
| AH | Asfordby Technical Centre. | |
| AK | Ardwick, Manchester - Siemens. | |
| AL | Aylesbury - Chiltern Trains. | |
| AN | Allerton - EWS. | |
| AT | Unallocated Alstom Locomotives. | |
| AY | Ayr - EWS. | |
| AZ | Ashford - Balfour Beatty. | |
| BA | Basford Hall, Crewe - EWS. | |
| BB | Billingham - SembCorp Utilities. | |
| BC | Bicester - MoD. | |
| BD | Birkenhead North - Merseyrail. | |
| BE | Bedford Carriage Sidings - First Capital Connect. | |
| BG | Hull Botanic Gardens - Northern Rail. | |
| BH | Barrow Hill Roundhouse Railway Centre. | |
| BI | Brighton - Southern. | |
| BK | Bristol Barton Hill - EWS. | |
| BL | Basford Hall, Crewe - Freightliner. | |
| BM | Bournemouth - South West Trains. | |
| BN | Bounds Green - NXEC. | |
| BO | Bedford Cauldwell - First Capital Connect. | |
| BP | Blackpool North Carriage Sidings - Network Rail. | |
| BQ | East Lancashire Railway. | |
| BR | Bristol Kingsland Road - Network Rail. | |
| BS | Bescot - EWS. | |
| BT | Bo’ness & Kinneil Railway. | |
| BW | Barrow-in-Furness - Northern Rail. | |
| BY | Bletchley - London Midland. | |
| BZ | St Blazey - EWS. | |
| CA | Cambridge Coldhams Lane - Axiom Rail. | |
| CB | Midland Railway Centre. | |
| CC | Clacton on Sea - NXEA. | |
| CD | Crewe Diesel - EWS, storage. | |
| CE | Crewe International - EWS. | |
| CF | Cardiff Canton - Arriva Trains Wales/Pullman Rail. | |
| CG | Crewe Gresty Bridge - DRS. | |
| CH | Chester Traincare Centre - Alstom. | |
| CJ | Clapham Junction - South West Trains. | |
| CK | Corkerhill - First ScotRail. | |
| CM | Camden - London Midland. | |
| CN | Carnforth - EWS. | |
| CO | East Somerset Railway, Cranmore. | |
| CP | Crewe LNWR. | |
| CQ | Crewe Heritage Centre. | |
| CR | Colchester - NXEA. | |
| CS | Carnforth - West Coast Railway Co. Ltd. | |
| CT | Cleethorpes - First TransPennine Express. | |
| CW | Cricklewood East - East Midlands Trains. | |
| CX | Crofton - Bombardier. | |
| CY | Crewe Coal Yard & South Yard - DRS. | |
| CZ | Central Rivers, Barton-Under-Needwood - Bombardier. | |
| DD | Doncaster Wood Yard - EWS. | |
| DF | Derby - Rail Vehicle Engineering, Derby RTC. | |
| DI | Great Western Society, Didcot. | |
| DL | Dollands Moor - EWS. | |
| DP | Devonport - DML. | |
| DR | Doncaster Carr - EWS. | |
| DT | Didcot Triangle - EWS. | |
| DV | Dover - Southeastern. | |
| DW | Doncaster West Yard - Network Rail. | |
| DY | Derby Etches Park - East Midlands Trains. | |
| EA | East Anglia Railway Museum. | |
| EC | Edinburgh, Craigintinny - NXEC. | |
| ED | Eastfield - First ScotRail. | |
| EH | Eastleigh - EWS. | |
| EL | East Lancashire Railway. | |
| EM | East Ham - c2c. | |
| ER | Eurre, France -SNCF. | |
| ET | Eurotunnel Cocquells, France. | |
| EU | East Usk Junction New Sidings - EWS. | |
| EU | Euston LHS - Virgin Trains. | |
| EX | Exeter St Davids - FGW. | |
| FB | Ferrybridge - EWS, storage. | |
| FD | Freightliner Unallocated Diesel Locomotives. | |
| FE | Freightliner Unallocated Electric Locomotives. | |
| FF | Forest, Brussels, Belgium - SNCB. | |
| FH | Frodingham - Grant Rail. | |
| FP | Ferme Park - NXEC. | |
| FR | Fratton - South West Trains. | |
| FT | Frethun, France - SNCF. | |
| FW | Fort William - EWS. | |
| FX | Felixstowe Dock & Harbour Company. | |
| GF | South Gosforth. - Nexus. | |
| GI | Gillingham - South Eastern. | |
| GL | Gloucester - Cotswold Rail. | |
| GP | Grove Park - Southeastern. | |
| GW | Glasgow Shields - First ScotRail | |
| HA | Haymarket - First ScotRail. | |
| HB | Horbury - Marcroft Engineering. | |
| HD | Holyhead - Arriva Trains Wales. | |
| HE | Hornsey - First Capital Connect. | |
| HF | Hereford - EWS. | |
| HG | Hither Green - EWS. | |
| HH | Keigthley & Worth Valley Railway. | |
| HI | Hitchin - Balfour Beatty. | |
| HJ | Hoo Junction - EWS | |
| HM | Healey Mills - EWS. | |
| HO | Leeds Holbeck - Network Rail. | |
| HQ | Unallocated Locomotives. | |
| HR | Hall Road - Network Rail. | |
| HT | Heaton - Northern Rail. | |
| HY | Hinksey Yard, Oxford - Network Rail. | |
| IL | Ilford - NXEA | |
| IM | Immingham - EWS. | |
| IP | Ipswich - Freightliner. | |
| IS | Inverness - First ScotRail. | |
| KC | Carlisle Currock - EWS. | |
| KK | Kirkdale - Merseyrail. | |
| KM | Carlisle Kingmoor - DRS. | |
| KR | Severn Valley Railway. | |
| KT | Kineton - MoD. | |
| KY | Knottingley - EWS. | |
| LA | Plymouth Laira - FGW. | |
| LB | Loughborough Works - Brush Traction. | |
| LC | Longsight International - Alstom. | |
| LD | Leeds Midland Road - Freightliner. | |
| LE | Swansea Landore - FGW. | |
| LG | Longsight Electric, Manchester Traincare Centre - Alstom. | |
| LL | Liverpool Edge Hill, Liverpool Traincare Centre - Alstom. | |
| LM | Long Marston - Motorail Logistics, storage. | |
| LO | Longsight Diesel - Nothern Rail. | |
| LR | Leicester - EWS. | |
| LS | Longsight Wheel Lathe - Alstom | |
| LY | Le Landy, Paris - SNCF. | |
| MA | Longsight CMD, Manchester Traincare Centre - Alstom. | |
| MD | Merehead Quarry - Mendip Rail. | |
| ME | Manchester International - Siemens. | |
| MG | Margam - EWS. | |
| MH | Millerhill - EWS. | |
| ML | Motherwell - EWS. | |
| MM | Moreton in Marsh - Cotswold Rail. | |
| MN | Machynlleth - Arriva Trains Wales. | |
| MQ | Meldon Quarry- Dartmoor Railway. | |
| nya | March - NR & GBRf. | |
| MS | Malaga, Spain. | |
| MY | Mossend Yard - EWS/Freightliner. | |
| NB | New Brighton - Merseyrail. | |
| NC | Norwich Crown Point - NXEA. | |
| NH | Newton Heath - Northern Rail. | |
| NL | Neville Hill - East Midlands Trains/NXEC. | |
| NM | Nottingham Eastcroft - East Midlands Trains. | |
| NN | Northampton Kings Heath - Siemens. | |
| NT | Northam - Siemens. | |
| NW | Northwich - Brunner Mond. | |
| NY | North Yorkshire Moors Railway. | |
| OC | Old Oak Common - EWS. | |
| OD | Old Dalby Test Track - Alstom. | |
| OH | Old Oak Common - Siemens. | |
| OK | Oakhampton - Dartmoor Railway. | |
| OM | Old Oak Common Carriage - FGW. | |
| ON | Orpington - Southeastern. | |
| OO | Old Oak Common HST- FGW. | |
| OX | Oxford Carriage Sidings - FGW. | |
| OY | Oxley, Midlands Traincare Centre - Alstom. | |
| PB | Peterborough - EWS. | |
| PC | Polmadie, Glasgow Traincare Centre- Alstom. | |
| PE | Peterborough Nene sidings - First Capital Connect. | |
| PF | Peak Forest - EWS. | |
| PH | Perth - First ScotRail. | |
| PM | St. Philips Marsh - FGW. | |
| PN | Preston - Northern Rail. | |
| PO | Polmadie, Glasgow Traincare Centre- Alstom. | |
| PQ | Harwich Parkeston Quay - EWS. | |
| PR | Peak Rail. | |
| PT | Peterborough - GBRf. | |
| PY | Pigs Bay - DERA. | |
| PZ | Penzance - FGW. | |
| QR | Quainton Road | |
| RB | Rylston - Tilcon | |
| RE | Ramsgate - Southeastern | |
| RG | Reading - FGW. | |
| RL | Mid Hants Railway | |
| RO | Rotherham Steel Terminal - EWS. | |
| RR | Doncaster Roberts Road - Jarvis/Fastline. | |
| RU | Rugby - GTRM. | |
| RY | Ryde - Island Line | |
| SA | Salisbury - South West Trains. | |
| SD | Sellafield - DRS. Closed still has a Cl.20 allocated which is preserved on Churnet Valley Raiway. | |
| SE | St. Leonards Railway Engineering. | |
| SG | Slade Green - Southeastern. | |
| SH | Southall Railway Centre. | |
| SI | Soho - London Midland. | |
| SK | Midland Railway Centre. | |
| SL | Stewarts Lane - EWS/Gatwick Express. | |
| SM | Sheffield - Northern Rail. | |
| SN | Shoeburyness - c2c | |
| SO | Southampton Maritime - Freightliner | |
| SP | Springs Branch Wigan - EWS. | |
| SQ | Stockport - Northern Rail. | |
| SS | Salillis, Spain. | |
| ST | Southport - Merseyrail. | |
| SU | Selhurst - Southern. | |
| SV | Stonebridge Park, Wembley Traincare Centre - Alstom. | |
| SV | Wembley - Chiltern. | |
| SX | Shrewsbury - Arriva Trains Wales. | |
| SZ | Southampton Maritime - Freightliner. | |
| TB | Three Bridges - EWS. | |
| TE | Thornaby - EWS. | |
| TF | Thornton Fields - NXEA. | |
| TI | Temple Mills International - Eurostar. | |
| TJ | Tavistock Jcn - Colas Rail. | |
| TM | Tyseley Locomotive Works. | |
| TN | West Somerset Railway. | |
| TO | Toton - EWS. | |
| TP | Trafford Park, Barton Dock - MSC. | |
| TS | Tyseley - London Midland. | |
| TT | Toton Training School - EWS. | |
| TY | Tyne Yard - EWS. | |
| VI | Victoria - Southeastern. | |
| VZ | Strawbery Hill - Siemens. | |
| WA | Wishaw - Goodmans. | |
| WB | Wembley Traincare Centre - Alstom. | |
| WD | Wimbledon - South West Trains. | |
| WE | Willesden Brent - EWS | |
| WH | Whatley Quarry - Mendip Rail. | |
| WI | Wilton - SemCorp Utilities. | |
| WK | West Kirby - Merseyrail. | |
| WN | Willesden - London Overground. | |
| WP | Worksop - EWS. | |
| WQ | Unallocated Locomotives - EWS. | |
| WR | West Ruislip - LUL. | |
| WS | Worcester - London Midland. | |
| WT | Warrington Arpley - EWS. | |
| WY | Westbury Yard - EWS. | |
| YK | York - First Transpennine Express. Code also used for some NRM locomotives. | |
| YM | York - NRM. | |
| YO | Yoker - First ScotRail. | |
| ZA | Derby - RTC Business Park. | |
| ZB | Doncaster Works - Wabtec. | |
| ZC | Crewe Works - Bombardier. | |
| ZD | Derby Litchurch Lane Works - Bombardier. | |
| ZF | Doncaster Works - Bombardier. Closed but Cl.08 still allocated. | |
| ZG | Eastleigh Works - Knights Rail Services. | |
| ZH | Glasgow Works - Railcare. | |
| ZI | Ilford - Bombardier. | |
| ZK | Kilmarnock Works - Brush Barclay. | |
| ZN | Wolverton Works - Railcare. | |
| ZP | Horbury Works - Bombardier. | |
| ZQ | Unallocated Rolling Stock. | |
| ZR | Rotherham - C F Booth. | |
| ZT | Stockton - T J Thomson | |
| ZW | Stoke on Trent - Marcroft(EWS). | |