"Wood was used in the fireplace and it appears the fire went through the cracks. We think there was a smoke alarm but we're not sure whether it was working," he said.
The male occupant woke up after feeling the flames and alerted other family members who were sleeping in another bedroom.
Mr Beer said homeowners and tenants needed to take heed of safety messages as increased power consumption and the use of fireplaces became common throughout winter.
"Hot ashes should be put in steel containers and not outside against the house and leave the ash for at least three days," he said.
"It's also a good time to test electric blankets and to check smoke alarms. If you're using heaters, plug it on a wall socket on its own to avoid overloading."
Yesterday, in Donald Rd, Kaitaia, reinforcements had to be called to fight a fire where damage was largely restricted to the space between the roof and ceiling, although the interior of the home also suffered water damage.
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