80150 was built at Brighton in December 1956 and spent its entire working life under BR ownership based on the Southern Region.
Motive power depot allocations.
| Date Arrived | Depot |
| December 1956 | Brighton |
| September 1963 | Eastleigh |
It was withdrawn from service in October 1965 and sold for scrap to Woodham Brothers at Barry. It arrived in the scrapyard in Barry in January 1966 and remained there for many years becoming one of the last to leave which became the Barry Ten.
The Barry Ten were purchased with the aid of a £85,000 grant from the National Heritage Memorial Fund in 1988 for a planned Wales Railway Centre. When it became obvious that these plans were not going to be fulfilled the locomotives were moved back to Barry in June.
As one of the Barry Ten it was then stored inside the former National Welsh bus depot at Barry which had been acquired by the Vale of Glamorgan Council in 1993.
Following the local government reorganisation in 1996 the locomotives passed into the ownership of the Vale of Glamorgan Council and the Cardiff City Council.
The ten locomotives were moved to warehouse storage on the Atlantic Trading Estate at Sully near Barry.
The locomotives next moved to the former British Rail steam shed at Barry. This facility had become an English Welsh & Scottish Railway (EWS) depot and wagon works but this closed in September 1999. This is now the site of the Barry Tourist Railway.
The locomotives were transferred to the former BR shed during August and September 2002 and hence close to the Barry scrapyard.
They were on public view for the first time in many years at the Waterfront Festival in September 2002.
In January 2005 the Vale of Glamorgan Council announced that the way had been cleared for projects involving the Barry Ten to proceed following the approval the trustees of the National heritage Memorial fund and the two owning local authorities.
80150 eventually left Barry in January 2011 and was moved to the Mid Hants Railway. The locomotive was exchanged for a turntable (formerly at Bricklayers Arms) for use at Barry depot.
When it was at the Barry scrapyard the locomotive’s bad state of the bogie springs caused a lot of problems which included a number of derailments over the years. When the locomotive moved to the Mid Hants Railway in January 2011 it was shunted, very carefully, to the end of Alresford Down siding, where it has remained for many years with the weight of the locomotive being carried from the locomotive to the wheels by wooden packing. The problems mounted with the bogie’s side control mechanism becoming seized up due to years of water falling on it. This wasn’t helped by there being any cab roof to prevent the water getting in.
In the autumn 2017 work was undertaken to unjam the bogie by removing eroded V strips and getting between the bearings with a hacksaw and other tools to clear the oilways of pieces of debris.
Little could be done at the outside location during the winter of 2017/18 but in early 2018 work began on descaling and painting more of the locomotive. In June 2018 springs were fitted that had previously been used by on the front bogie of 75079 in the 1960s and one has a few broken leaves.
By the end of April 2018 the Mid Hants Railway had raised sufficient funds to proceed with the fabrication and fitting of a new cab roof for the locomotive. This was seen as important in order to protect the area of 80150 has sustained the most damage. It was also announced that the railway hoped to put the locomotive on display sometime during 2018.
| Home Base | Current Status | Owner |
| Mid Hants Railway | Still in scrapyard condition | Mid Hants Railway Preservation Society |
Preserved British Steam Locomotives 