| Present Location | Llangollen |
| County Location | Denbighshire |
| Designed For | BR |
| Built by | BRCW |
| Diagram number | 556 |
| Lot number | 30293 |
| Type | DMBS |
| First Number | 50447 |
| Later Numbers | M50447 53447 |
| Present Number | M50447 |
| Current Livery | BR multiple unit green livery |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | Dgm DQ205. Class 104 P 1993, noted as intended for spares - but (09/99) complete and externally restored as stores/mess coach. Possible future full restoration? Stored at Glyndyfrydwy sidings, by signal box. In BR unlined green livery on one side, BR Rail Blue on the other side. |
| External Structural Condition | Satisfactory |
| Internal Structural Condition | Poor but Substantially Complete |
| Underframe Condition | Satisfactory |
| External Finish | Satisfactory |
| Internal Finish | Poor but Substantially Complete |
| 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 | Several |
| Historical Importance | Some Interest |
| Storage | Secure Open |
| Operating | No |
| Survey Date | 11/10/2003 |
| Surveyor | Kevin Stroud |
| Photo Date | 18/05/2018 |
| Photo by | Steve West |
| At Risk | Yes |
| Date Record Last Updated | 20/02/2019 |
