Two fire engines were called to a property in Parham Road, in Findon Valley, this morning (February 9).
A spokesman for the fire service said a fire broke out in the kitchen of the building just before 10.45pm.
A man was rescued from inside the property and was treated at the scene by paramedics, the spokesman added.
Crews extinguished the flames using two breathing apparatus and a hose reel.
The cause of the fire is still under investigation.