| Present Location | Carnforth |
| County Location | Lancashire |
| Designed For | BR |
| Build Location | Wolverton |
| Built by | BR |
| Diagram number | 181 |
| Lot number | 30721 |
| Type | BSK |
| First Number | 35463 |
| Later Numbers | 99312 |
| Present Number | 99312 |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | P 1989 support for 48151 at Midland Railway Centre until 1990. Now general WCRC support coach. 02/20: confirmed still based at Carnforth. |
| Owner | West Coast Railway Company |
| External Structural Condition | Good |
| Internal Structural Condition | Good |
| Underframe Condition | Good |
| External Finish | Good |
| Internal Finish | Good |
| Degree of External Originality | Some replaced/reproduced material |
| Degree of Internal Originality | Some replaced/reproduced material |
| Degree of Underframe/Running Gear Originality | Some replaced/reproduced material |
| 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 Open |
| Operating | Yes |
| Survey Date | 26/07/2008 |
| Surveyor | Kevin Stroud |
| Photo Date | 08/09/2007 |
| Photo by | Byron Chamberlain |
| At Risk | No |
| Date Record Last Updated | 10/08/2020 |
