Eight fire engines attended the fire in Barking
Assistant Commissioner Patrick Goulbourne said: "Overnight, firefighters tackled two significant fires in the London Borough of Barking and Dagenham.
Four fire engines and around 25 firefighters attended the scene on Credon Road, Plaistow
Four fire engines and around 25 firefighters attended the scene on Limesford Road, Nunhead
Four fire engines attended the fire in Hammersmith
Four fire engines and around 25 firefighters attended the scene on Marsh Wall, Milwall
Four fire engines attended the scene on Bannister Close, West Norwood
Four fire engines attended the scene on Bruckner Street in West Kilburn
Six fire engines attended the fire in Vauxhall
Four fire engines and around 25 firefighters attended the scene on Middleton Avenue in Chingford