Four fire engines and around 20 firefighters and officers were called to a fire at a house in Ravenswood Park, Northwood in the early hours of this morning.
The fire affected the ground floor, first floor and roof of the property. There were no reported injuries.
The Brigade was called at 0012 and the fire was under control at 0214. Fire crews from Ruislip, Harrow and Northolt fire stations attended the scene.
The cause of the fire is under investigation.