A camper van caught light because of an electrical fault in an oil-filled radiator.
Crews of firefighters from Rainton Bridge and North Moor fire stations were called to a report of a caravan blaze at Manderville Park in Hetton.
When they arrived to the scene, which is off Colliery Lane, they found a Showman Special camper van a light and filled with smoke.
They used a hose reel to put out the fire.
The call out happened at 5pm yesterday.