In a lucky escape, a mother and young daughter are uninjured after their house caught alight.
Fire and Rescue NSW responded to the incident in Clarke Street, Harden at about 9.15am.
Fire and Rescue Riverina Zone Commander Superintendent Stewart Alexander said it's believed the fire may have started in the home's kitchen and quickly spread to the remainder of the building.
He said there were numerous triple zero calls from the public.
"The mother and daughter got out very quickly and rang triple zero, we got a lot of calls which is exactly the right thing to do," Superintendent Stewart said.
"Firefighters could see the smoke on their way to the scene and called for more backup.
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"They were supported by crews from Young and local Rural Fire Service crews."
On arrival, the firefighters got to work on the fire from the rear of the house, with access via a back lane.
Superintendent Stewart said it's a dreadful case as the home is extremely damaged, but it was fortunate there were no injuries.
NSW Police were in attendance, and the exact cause of the fire is under investigation.
Superintendent Stewart said in the week ending June 6, there were 48 house fires across NSW with five people injured.
"This is only the first week of winter, and it's nearly double the same period from last year," he said.
It's a timely reminder to have working smoke alarms and check out information to stay fire safe during winter."