Four fire engines and 21 firefighters and officers were called to a fire in an underground car park below a block of flats in Hardel Walk, Brixton last night.
Two cars were gutted by the blaze.
The Brigade was called at 1837 and the fire was under control at 1918. Fire crews from West Norwood, Brixton and Tooting fire stations attended the scene.
The cause of the fire is under investigation by the Brigade and the Metropolitan Police Service.