Four fire engines and around 25 firefighters were called to a fire at a house in Mount Pleasant Road in New Malden.
Part of the first floor and a small part of the roof void of the property were damaged by fire.
The Brigade was called at 0841 and the fire was under control at 0934. Fire crews from New Malden, Surbiton and Kingston fire stations attended the scene.
The cause of the fire is under investigation.