| Present Location | Margate |
| County Location | Kent |
| Designed For | LMS |
| Built by | Metro Cammell |
| Diagram number | 2005 |
| Lot number | 1010 |
| Type | TSO |
| First Number | 29720 |
| Later Numbers | M29720M |
| Present Number | 29720 |
| Current Livery | LMSR |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | 650 v 3 rail Class 503 EMU. P 1991 Wirral Borough Council: stored BR Kirkdale till sold 1996 to Mersey & Tyneside Elec Pres (MATEP): to Steamport 9/96, then to Coventry 1999. Largely intact internally. Some corrosion problems loom. Displayed with 29289 and 28690 (qv) - owned by Heritage Electric Trains Trust. 30/05/2018: 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). 02/24: Heritage Electric Trains Trust has decided to retain 28690 (qv) to tell the story of Class 503 EMUs but to scrap the other two vehicles in the unit, this one and 29289 (qv), after recovering useful components, unless new homes can be found. |
| Owner | Heritage Electric Trains Trust |
| External Structural Condition | Satisfactory |
| Internal Structural Condition | Satisfactory |
| Underframe Condition | Good |
| External Finish | Satisfactory |
| 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) |
| Degree of External Authenticity | Very Good |
| Degree of Internal Authenticity | Very Good |
| Degree of Underframe Authenticity | Very Good |
| Rarity | Unique |
| Historical Importance | Very Important |
| Storage | Secure Building |
| Operating | No |
| Survey Date | 13/07/2013 |
| Surveyor | David Wigley |
| Photo Date | 10/09/2021 |
| Photo by | Christopher Hurst |
| At Risk | Yes |
| Date Record Last Updated | 11/04/2024 |
