Six fire engines and around 40 firefighters were called to a flat fire on St James’s Place in Westminster.
A flat on the seventh floor of an eight-storey block was destroyed by the fire. One woman left the building before the Brigade arrived. She was assessed on scene by London Ambulance Service crews.
The Brigade was called at 0401 and the fire was under control by 0601. Fire crews from Soho, Lambeth, Euston, Chelsea and Dowgate fire stations were at the scene.
The cause of the fire is under investigation.