Eight fire engines and around 60 firefighters tackled a fire on Jubilee Way in Chessington.
Most of a single storey sports pavilion was alight.
Local residents were advised keep their windows and doors closed due to a significant amount of smoke in the area.
Please continue to avoid the area.
Control Officers took the first of 54 calls at 1654 and mobilised crews from Kingston, Wimbledon, Surbiton and surrounding fire stations to the scene. The fire was under control by 1909.
The cause of the fire is under investigation.