| Present Location | Llangollen |
| County Location | Denbighshire |
| Designed For | BR |
| Build Location | Wolverton |
| Built by | BR |
| Diagram number | 146 |
| Lot number | 30350 |
| Type | SK |
| First Number | 25417 |
| Later Numbers | E18417 |
| Present Number | W25421 (incorrect) |
| Current Livery | BR Maroon |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | P 1987. Hand-painted with wrong number "W25421", creating confusion with the real 25421 (also at Llangollen - qv), which correctly carries "E18421". Has original 'Trojan' moquette seating. 09/21: sold to be used as a camping coach in South Wales but not yet moved from Llangollen Railway. |
| Owner | Private |
| External Structural Condition | Very Good |
| Internal Structural Condition | Good |
| Underframe Condition | Very Good |
| External Finish | Good |
| 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 Open |
| Operating | Yes |
| Survey Date | 11/10/2003 |
| Surveyor | Kevin Stroud |
| Photo Date | 12/08/2012 |
| Photo by | Steve West |
| At Risk | No |
| Date Record Last Updated | 17/10/2021 |
