Four fire engines and around 25 firefighters tackled a fire in a block of terraced garages on Cotmandene Crescent in Orpington.
One garage was destroyed by fire. There were no reports of any injuries.
The Brigade's 999 Control Officers took seven calls to the blaze. The first call was at 2234, and the fire was under control by 2321. Crews from Orpington, Eltham and Bromley fire stations attended the scene.
The cause of the fire is under investigation by the Brigade and Metropolitan Police Service.