Four fire engines and around 20 firefighters and officers were called to a fire at a shop with flats above in King Street in Twickenham this morning.
A studio flat on the first floor of the building was completely damaged by fire.
Approximately 11 people left the building before the arrival of the Brigade and one person was treated at the scene for shock by London Ambulance Service crews.
The Brigade was called at 0246 and the fire was under control at 0415. Fire crews from Twickenham and Heston fire stations attended the scene.
The cause of the fire is under investigation.