Firefighters were called to battle a blaze last night at an unoccupied outbuilding in Littlewick Green.
Four appliances were called to the fire in School Lane at 10.30pm which took three hours to extinguish.
The building, only accessible to crews via Westacott Way, was constructed from sheet-metal, wood and brick and was surrounded by woodland.
It was completely destroyed.
It is still not known who the building belongs to.
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Police officers can be seen at Ten Pin Bowling in Maidenhead tonight following an incident earlier today.