Four fire engines and around 25 firefighters were called to a fire at two houses in South Street in Rainham.
A garage was destroyed by the fire and a small part of the guttering and fascias of one house and a small part of a dormer window and roof of the adjoining property were also damaged. One woman and a baby left the premises before the Brigade arrived. They were treated on scene by London Ambulance Service crews.
The Brigade's 999 Control Officers took 16 calls to the fire.
The Brigade was called at 1501 and the fire was under control at 1604. Fire crews from Dagenham, Barking, East Ham and Ilford fire stations attended the scene.
The cause of the fire is under investigation.