Four fire engines and around 25 firefighters tackled a fire in a block of flats on Surrey Lane in Wandsworth.
A small pile of rubbish left in the internal stairwell of the 22-storey building was damaged by the fire.
The Brigade was called at 2142 and the fire was under control at 2230.
Fire crews from Wandsworth, Chelsea, Fulham and Clapham fire stations were in attendance.
The cause of the fire is under investigation.