Six fire engines and around 40 firefighters tackled a fire at an industrial unit on Fraser Road in Erith.
Part of a 10x3x2 metre area of wood pallets within a warehouse was damaged by the fire.
Control Officers took the first of four calls at 2217 and mobilised crews from Erith, Bexley and Plumstead fire stations to the scene. The incident was over for firefighters at 0101.
The cause of the fire is under investigation.