Some neighbouring properties were evacuated as a precaution after the fire broke out at a property in Norborough Road, Tinsley just after midnight.
Four appliances and a turntable ladder were sent out to extinguish the fire.
The fire service left the scene just after 4am this morning.
A South Yorkshire Fire and Rescue spokesman confirmed that no-one was injured in the fire.
An investigation into the cause of the fire is due to get underway today.