Four fire engines and around 25 firefighters responded to a fire in an outbuilding on Rowse Close in Stratford.
A corrugated steel outbuilding at the rear of a studio was destroyed. One man was treated on scene by London Ambulance Service crews.
The Brigade’s Control Officers took the first of 18 calls to the fire at 0737 and the fire was under control by 0807. Fire crews from Stratford, Leytonstone and Homerton fire stations attended the scene.
The cause of the fire is under investigation.