Four fire engines and around 25 firefighters were called to a fire at a scrapyard on Manor Road, Erith.
Two metal containers were destroyed by fire.
The Brigade was called at 0438 and the fire was under control at 0703. Fire crews from Erith, Bexley, Plumstead fire stations as well as an appliance from Kent Fire and Rescue Service attended the scene.
The cause of the fire is under investigation.