Eight fire engines and around 60 firefighters were called to a fire at a bus depot on Bedfont Road in Stanwell.
A kitchen on the ground floor of the depot was completely destroyed by the fire and a small part of the roof was damaged. Four members of staff left the building before the Brigade arrived, there were no reports of any injuries.
The Brigade was called at 2134 and the fire was under control by 2357 . Fire crews from Feltham, Hayes, Heathrow and Heston fire stations attended the scene. Three fire engines from Surrey Fire and Rescue Service also attended and assisted with the incident.
The cause of fire is under investigation.