| Present Location | Swanage Railway |
| County Location | Dorset |
| Designed For | BR |
| Built by | Metro Cammell |
| Diagram number | 171 |
| Lot number | 30425 |
| Type | BCK |
| First Number | 21205 |
| Later Numbers | S21205 DB977094 |
| Present Number | S21205 |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | P 1985, at Rye House till 1987. Major rebuild started Winter 2001/2002. |
| External Structural Condition | Fair |
| Internal Structural Condition | Satisfactory |
| Underframe Condition | Good |
| External Finish | Fair |
| Internal Finish | Satisfactory |
| 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 | Many |
| Historical Importance | no Immediate Importance/Not Applicable |
| Storage | Secure Building |
| Operating | No |
| Survey Date | 01/08/1999 |
| Surveyor | Michael Cope |
| Photo Date | 02/04/2002 |
| Photo by | Byron Chamberlain |
| At Risk | No |
| Date Record Last Updated | 20/03/2024 |
