Six fire engines and 35 firefighters and officers were called to a fire in a flat in St George Wharf, Vauxhall.
Part of a flat on the eighth floor of the building was damaged by fire.
The Brigade was called at 1127 and the fire was under control on 1219. Fire crews from Lambeth, Brixton, Clapham, Soho and Peckham fire stations attended the scene.
The cause of the fire is currently unknown.