| Present Location | Midland Railway Centre |
| County Location | Derbyshire |
| Designed For | LNWR |
| Build Location | Wolverton |
| Diagram number | D12 |
| Type | SPEC |
| First Number | 5000 |
| Later Numbers | 45000, 2911 |
| Present Number | 45000 |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | No |
| Original Bogies/Wheelsets | No |
| Additional Notes | LMS Chairman's Saloon. Used by Sir Gilbert Claughton, Lord Stamp, Winston Churchill. Often in Royal Train. New u/frame 1967. B4 bogies. W 1990. NRM: Kineton 1994. Withdrawn from National Collection. PRT 10/03. External rest'n Alsthom Wolverton 11/03. Inner roof, marquetry damaged by prolonged outside storage. 09/21: confirmed still in situ at Midland Railway Centre. |
| Owner | Princess Royal Class Locomotive Trust |
| External Structural Condition | Good |
| Internal Structural Condition | Fair |
| Underframe Condition | Good |
| External Finish | Very Good |
| 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 | Good |
| Degree of Internal Authenticity | Good |
| Degree of Underframe Authenticity | Good |
| Rarity | Unique |
| Historical Importance | Some Importance |
| Storage | Secure Building |
| Operating | Yes |
| Survey Date | 16/09/2007 |
| Surveyor | David Wigley |
| Photo Date | 18/01/2015 |
| Photo by | Steve West |
| At Risk | No |
| Date Record Last Updated | 15/12/2021 |
