NSW Ambulance said a 26-year-old male and 56-year-old female were treated at the scene for burns to their arms and lower backs, but were not transported to hospital.

Fire and Rescue responded to the scene at 12.24pm after reports a gas oven exploded after the appliance was turned on.

The explosion caused damage to an external wall of the house, and brigades switched off both gas and electricity.

The scene was declared safe by Fire and Rescue at 12.42pm.

The Rural Fire Service also attended the scene.