Yobs torched the detached property in Oliver Street, Mexborough, at 9.30pm.
Crews from Cudworth and Dearne stations spent 30 minutes tackling the blaze.
Arsonists torch Doncaster garage
A garage is believed to have been set alight by arsonists in Doncaster last night.
By The Newsroom
Saturday, 10th February 2018, 7:31 am
Updated Saturday, 10th February 2018, 7:40 am