Ten fire engines and around 70 firefighters tackled a fire in a waste recycling centre on Chapel Mill Road in Kingston Upon Thames.
Around 50 tonnes of household waste was alight, creating a large amount of smoke. Local residents were advised to keep their doors and windows closed. There are currently no reports of any injuries.
Firefighters are expected to remain on scene for a number of hours, damping down remaining hot spots.
The Brigade was called at 0452 and the fire was under control by 0916. Fire crews from Surbiton and surrounding fire stations attended the scene.
The cause of the fire is under investigation.