Four fire engines and around 25 firefighters were called to a fire on Hallowfield Way in Merton.
Firefighters tackled a fire at an industrial warehouse, where around three squared metres of recycling waste were alight.
The Brigade was called at 0921 and the fire was under control by 1042. Fire crews from Mitcham, Sutton and Tooting fire stations attended the scene.
The cause of the fire will be investigated.