It was built in 1938 at Swindon Works at a cost of £3,986 excluding the tender, withdrawn from service in December 1965 and purchased directly from British Railways for preservation by a member of the Great Western Society in 1965-66. Cookham Manor was the only locomotive in the Manor class to have been bought directly from BR. Initially it was stored at Ashchurch, until moving to Didcot in August 1970.
Motive power depot allocations.
| Date Arrived | Depot |
| March 1938 | Old Oak common |
| April 1939 | Gloucester |
| April 1946 | Oswestry |
| December 1953 | St Phillips Marsh |
| December 1954 | Gloucester |
| June 1959 | Newton Abbot |
| September 1960 | Exeter |
| October 1960 | Worcester |
| December 1960 | Tyseley |
| September 1962 | Reading |
| August 1964 | Swindon |
| November 1964 | Gloucester |
It was said to be considered highly by the crews that operated her, and unusually for her class, the engine was fitted with a larger 4000 gallon water tender.
The locomotive saw considerable main line use whilst in preservation, but it is currently in static preservation status awaiting a major overhaul at Didcot Railway Centre. It last steamed in 1983.
| Home Base | Current Status | Owner |
| Didcot Railway Centre | On static display awaiting major overhaul | Great Western Society |
- 7802 Bradley Manor
- 7812 Erlestoke Manor
- 7819 Hinton Manor
- 7820 Dinmore Manor
- 7821 Ditcheat Manor
- 7822 Foxcote Manor
- 7827 Lydham Manor
- 7828 Odney Manor
Preserved British Steam Locomotives 