Six fire engines and around 40 firefighters tackled a house fire on Chase Cross Road in Romford.
The roof space of the two-storey building was completely destroyed by fire. There are no reports of any injuries.
The Brigade received the first of five phone calls to the fire at 2017 and the fire was under control by 2307. Crews from Romford, Harold Hill, Hainault and surrounding fire stations attended the scene.
The cause of the fire is under investigation by the Brigade and Metropolitan Police Service.