Four fire engines and around 25 firefighters attended a house fire on Chatsworth Road in Croydon.
Part of the first floor and loft of a semi-detached house was damaged by fire. There were no reports of any injuries.
The Brigade was called at 0953 and Control Officers mobilised crews from Croydon, Woodside and Norbury fire stations to the scene. The fire was extinguished by 1050.
The cause of the fire is under investigation.