East Sussex Fire and Rescue Service was called to reports of the smell of burning at a home in Uckfield at 23.21 on 24 December 2014.
Crews attended an address on Oak Tree Court.
The roof of the property was alight.
All persons were accounted for.
Firefighters used breathing apparatus, firefighting foam and main jets to tackle the fire.
They gained access to neighbouring property to stop the fire spreading.
They also spent time cutting away and salvaging items for the occupants.
The aerial ladder platform was used to remove tiles and make the roof safe.
A re-inspection is planned for later today.
The fire is believed to be accidental - linked to an electrical light.