Four fire engines and around 20 firefighters and officers were called to a fire at a house in Orchard Road in Hounslow.
Part of the first floor and part of the roof of a mid terraced house were damaged by fire. Two adults and three children left the property before the arrival of the Brigade.
The Brigade was called at 2018 and the fire was under control at 2134. Fire crews from Heston and Feltham fire stations attended the scene.
The cause of the fire is believed to be accidental and cause by burning incense dropping onto combustible items.