The Gunning RFS responded to a house fire in Grovener Street, Gunning on Christmas Day.
A spokesperson from the NSW RFS said they were alerted to the fire at 12.50pm.
"We arrived at the structure and the house was fully involved in fire," the spokesperson said.
"All persons were accounted for and the fire was contained by 3.30pm.
ON Boxing Day, the spokesperson said an investigation into the cause of the fire is underway and a cause has not yet been determined.
"Investigations are ongoing," The spokesperson said.