Six fire engines and 35 firefighters and officers were called to a fire in an office block on Empire way in Wembley on Saturday afternoon (14 October).
The fire damaged around half of a room on the ninth floor of the 15 storey building.
The Brigade was called at 1828 and the fire was under control at 1921. Crews from Wembley, Park Royal, Willesden, Stanmore and Northolt fire stations attended the incident. The cause of the fire is believed to have been a loose connection in a light fitting