Four fire engines and around 25 firefighters were called to a fire at a row of terraced houses on Timberland Close in Peckham.
The fire started in a gap between the rear of the properties and a boundary wall. An area at the rear of the properties were destroyed by fire. There were no reports of any injuries.
The Brigade was called at 1632 and the fire was under control by 1829. Fire crews from Old Kent Road, New Cross, Peckham and Dockhead fire stations attended the scene.
The Brigade's Fire Investigators believe the fire was accidental.