Four fire engines and around 25 firefighters were called to a fire at a scrap yard fire on Old Maidstone Road in Sidcup.
Part of an office on the premises was damaged by the blaze. There were no reports of any injuries.
The Brigade was called at 2007 and the fire was under control by 2128. Fire crews from Sidcup and Orpington fire stations attended the scene.
The cause of the fire is under investigation by the Brigade and the Metropolitan Police.