Four fire engines and around 25 firefighters tackled a house fire on Glebe Gardens in New Malden.
The ground floor of the two-storey detached house was partially damaged by fire. There are currently no reports of any injuries.
The Brigade was called at 1629 and the fire was under control by 1819. Crews from New Malden, Wimbledon, Sutton and Surbiton fire stations attended the scene.
The cause of the fire is under investigation.