Three fire engines from Uckfield and Crowborough attended the scene at West View.
There was a fire on the first floor and in the roof space on a two storey home.
Firefighters used two breathing apparatus, one hose reel and one large jet.
An ambulance was requested for one person, thought to be suffering from a minor electric shock.
Crews removed roof tiles and sheeted up the roof as well as undertaking salvage work and making the building secure.