Four fire engines and around 25 firefighters were called to a shed fire on Keswick Gardens in Wembley.
A shed in the rear of a garden of a semi-detached house was completely destroyed by fire. A small part of the fascia of the house and the flat roof of a neighbouring semi-detached house was also damaged by fire. There were no reports of any injuries.
The Brigade was called at 1738 and the fire was under control by 1838. Fire crews from Wembley, Park Royal and Northolt fire stations attended the scene.
The cause of the fire is under investigation.