Four fire engines and 21 firefighters and officers were called to a fire at a house in Cotswold Gardens, Cricklewood in the early hours of this morning.
Part of the first floor and the roof of the semi detached house were damaged by fire.
The Brigade was called at 0322 and the fire was under control at 0542. Fire crews from West Hampstead, Willesden and Hendon fire stations attended the scene.
The cause of the fire is under investigation.