The fire in Don Street, Wheatley, was discovered at 9am on Saturday.
Firefighters said the house was empty at the time.
Call South Yorkshire Police on 101.
House set alight in arson attack in Doncaster
A police probe is underway after a house was set alight in Doncaster.
By The Newsroom
Monday, 24th October 2016, 9:15 am
Updated Tuesday, 25th October 2016, 6:53 pm