Six fire engines and around 40 firefighters were called to a fire at a wine bar with offices above on Buckingham Street in Charing Cross.
Part of the ground floor and a small part of the basement of the building were damaged by the fire. There were no reports of any injuries.
The Brigade was called at 0702 and the fire was under control by 0814. Fire crews from Soho, Lambeth, Euston and Shoreditch fire stations were at the scene.
The cause of the fire is under investigation.