Police Scotland has charged three youths in relation to the fire at Commercial Street in Macduff on Sunday.
At the height of the fire, seven appliances from the Scottish Fire and Rescue Service were in attendance.
In a statement from Police Scotland this evening it was confirmed that two boys, aged 14 and 15, and a 13-year-old girl have been charged in relation to a wilful fireraising, which took place in a derelict building in the Commercial Street area of Macduff on Sunday, 22 March.
A report will be submitted to the Youth Justice Management Unit.
Detective Sergeant Gavin Fleming, from Aberdeenshire CID, said
I would like to thank the local residents for their assistance with our enquiries.