Four fire engines and around 25 firefighters were called to a fire in the underground car park below a block of flats and a shop on Comer Crescent in Southall.
A vehicle in the basement car park was destroyed by fire. There were no reports of any injuries.
The Brigade was called at 1809 and the fire was under control by 1900. Fire crews from Southall, Ealing and Acton fire stations attended the scene.
The cause of the fire is under investigation by the Brigade and the Metropolitan Police Service.