| Present Location | Norton Mandeville |
| County Location | Essex |
| Designed For | London Transport |
| Build Location | Gloucester |
| Built by | Gloucester Carriage & Wagon |
| Diagram number | P |
| Type | DM |
| First Number | 14256 |
| Later Numbers | 54256 |
| Present Number | None |
| Current Livery | London Transport |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | E17 Driving Motor. 660 volt 4 rail. EMU surface stock. P 1982 from W Ruislip to North Woolwich (stored goods yd, south of station). c1997 to Walthamstow Pump House Museum. By 12/11 to storage at Whitwell (but privately owned). Condition then poor, with missing windows and rotted platework. By 06/17: stored at a private location near Norton Mandeville, Essex - condition now derelict. |
| External Structural Condition | Poor but Substantially Complete |
| Internal Structural Condition | Poor but Substantially Complete |
| Underframe Condition | Poor but Substantially Complete |
| External Finish | Poor and Incomplete |
| Internal Finish | Derelict/Not Present |
| 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) |
| Degree of External Authenticity | Good |
| Degree of Internal Authenticity | Not Applicable |
| Degree of Underframe Authenticity | Good |
| Rarity | Few |
| Historical Importance | no Immediate Importance/Not Applicable |
| Storage | Secure Open |
| Operating | No |
| Survey Date | 09/02/2003 |
| Surveyor | Kevin Stroud |
| Photo Date | 01/12/2011 |
| Photo by | Richard Cullen |
| At Risk | Yes |
| Date Record Last Updated | 14/06/2023 |
