Four fire engines and around 20 firefighters and officers were called to a fire in a shed at the rear of a house in Chestnut Avenue, Forest Gate this morning.
The shed was completely damaged by fire.
Part of the ground floor, first floor and roof of the property which the shed belonged to were damaged by fire. An adjacent property also suffered some fire damaged to the ground floor.
The Brigade was called at 0337 and the fire was under control at 0504. Fire crews from Stratford, Leytonstone, Plaistow and Leyton fire stations attended the scene.
The cause of the fire is under investigation.