Six fire engines and around 40 firefighters tackled a house fire on Lynwood Drive in Romford.
Part of a loft in the three-storey house was damaged by fire. There Were no reports of any injuries.
Control Officers were called at 1606 and mobilised crews from Romford, Harold Hill, Tottenham and surrounding fire stations to the scene. The fire was under control by 1723.
The fire is believed to have been accidental and caused by an electrical event.