Four fire engines and around 25 firefighters tackled a maisonette fire on Bexleyheath Broadway.
Part of the first and second floors of the building were damaged by fire. Two adults and a child left the property before the Brigade arrived and were treated on scene by London Ambulance Service crews.
The Brigade’s 999 Control Officers took 16 calls to the blaze.
The Brigade was called at 1808 and the fire was under control by 1924. Fire crews from Bexleyheath, Erith, East Greenwich and Sidcup fire stations attended the scene.
The cause of the fire is under investigation.