| Present Location | Margate |
| County Location | Kent |
| Designed For | SR |
| Build Location | Eastleigh |
| Diagram number | 2018 |
| Lot number | 3384 |
| Type | TO |
| First Number | 12354 |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | Lancing/Eastleigh. Class 405 4-SUB. 750 v 3 rail. P 1984 by BR, firstly at Brighton and Selhurst till 1996; then MoD Long Marston. With 10239, 12795 and 12796 (qv) forms Unit 4732. This vehicle was formerly in Unit 4381. 07/06/2018: following closure of Electric Railway Museum at Coventry, now located at Locomotive Storage Ltd site at Westwood, Margate (part of Hornby works, being planned for a future public railway heritage attraction to be called the One:One Collection). |
| Owner | 4-Sub Association |
| External Structural Condition | Poor but Substantially Complete |
| Internal Structural Condition | Poor but Substantially Complete |
| Underframe Condition | Good |
| External Finish | Fair |
| Internal Finish | Fair |
| Degree of External Originality | As built/last Passenger rebuild (BR or before) |
| Degree of Internal Originality | As built/last Passenger rebuild (BR or before) |
| Degree of Underframe/Running Gear Originality | As built/last Passenger rebuild (BR or before) |
| Rarity | Few |
| Historical Importance | Some Importance |
| Storage | Secure Building |
| Operating | No |
| Survey Date | 13/07/2013 |
| Surveyor | David Wigley |
| Photo Date | 10/09/2021 |
| Photo by | Christopher Hurst |
| At Risk | No |
| Date Record Last Updated | 28/11/2021 |
