Ten fire engines and around 70 firefighters were called to a fire at a derelict property on Spout Hill in Croydon.
Part of the first and second floor of a detached three-storey building were damaged by fire. A small part of the roof was also damaged.
The Brigade was called at 1627 and the fire was under control by 1858. Fire crews from Addington, Croydon, Biggin Hill, Purley, Orpington, Woodside, Bromley and Wallington fire stations were at the scene.
The cause of the fire is under investigation by the Brigade and Metropolitan Police Service.