| Present Location | Pontypool Blaenavon |
| County Location | Torfaen |
| Designed For | BR |
| Build Location | Wolverton |
| Built by | BR |
| Diagram number | 146 |
| Lot number | 30350 |
| Type | SK |
| First Number | 25444 |
| Later Numbers | 18444 |
| Present Number | None |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | P 1985. In workshop for (almost completed) repaint etc when seen 7/99. Back in service - but planned to be taken out of traffic for 2008 for brake cylinder replacement/repairs. OOU by 02/11. 09/15 in workshop for refurbishment work. |
| Owner | Pontypool & Blaenavon 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 | As left Departmental service |
| Degree of Underframe/Running Gear Originality | As left Departmental service |
| Degree of External Authenticity | Very Good |
| Degree of Internal Authenticity | Very Good |
| Degree of Underframe Authenticity | Very Good |
| Rarity | Many |
| Historical Importance | Some Interest |
| Storage | Secure Open |
| Operating | Yes |
| Survey Date | 25/07/1999 |
| Surveyor | Michael Cope |
| Photo Date | 09/09/2022 |
| Photo by | Robert Davidson |
| At Risk | No |
| Date Record Last Updated | 12/11/2022 |
