Four fire engines and around 25 firefighters were called to a fire at a house on the North Circular, Neasden.
A large part of the first floor was damaged by fire. The first floor partially collapsed onto the ground floor. Thankfully, there was no one inside the property at the time of the fire.
The Brigade was called at 0120 and the fire was under control at 0330. Fire crews from Wembley and Hendon fire stations attended the scene.
The cause of the fire is under investigation by the Brigade and the Metropolitan Police Service.