Surrey Police was called to Spurfield in West Molesey at around 1.25pm on Friday, 6 September following reports of a fire at the location.
Officers are currently in attendance at the scene assisting Surrey Fire and Rescue Service with roads and footpaths in the immediate area closed to members of the public.
More top news
The cost refurbishing the Olympic Stadium for West Ham's move could rise by up to £50million due to the complexity of extending the roof
The London 2012 supremo and Olympics legacy cheerleader is under fire for plans which could see Crystal Palace athletics stadium bulldozed.
Brat Pitt joined a World War Two veteran on the red carpet for the European premiere of his latest film about a tank crew.