Six fire engines and around 40 firefighters were called to a fire at a range of terraced houses in Flamstead Gardens in Dagenham.
A wooden lean to in the garden of a house was destroyed by fire. Parts of the ground floor, first floor, roof and guttering of the property were also damaged by fire. Part of the guttering of a neighbouring property was also damaged by fire.
Eight people left three properties before the arrival of the Brigade. There were no reports of any injuries.
The Brigade was called at 2146 and the fire was under control at 2319. Fire crews from Barking, Dagenham, East Ham and Ilford fire stations attended the scene.
The cause of the fire is under investigation.