It's unknown if anyone was inside the house at the time the fire ignited.
It's currently unknown when the fire started or what damage it caused.
Investigators will look into the cause.
The blaze has now reached fifth alarm - a status reserved for only the largest fires.
"The feeling in the town is grief."
The blaze has now been contained.
Photos show a steady stream of thick smoke pouring into the sky.
The Insurance Council says it's a good time to make sure everything is in working order.
The fire, near Castle Hill, has burned through 300 hectares of vegetation.