Emergency services are at the scene of a fire in Moss Vale.
Large amounts of smoke were seen coming from the blaze and motorists warned to take care.
NSW Fire and Rescue says it's in a home on Clarence Street and was well alight when they arrived about an hour ago.
Fire fighters from Moss Vale and Bowral are on the ground along with police.
It's understood powerlines have also come down across the road.
A home at Moss Vale has been completely gutted by fire.
Fire crews rushed to the top of Clarence Street just before 7 this morning where they found a two storey weatherboard home engulfed in flames.
Fortunately no one was at home at the time.
Fire and Rescue Duty Commander Dean Campbell says an investigation will be carried out to figure out the cause of the blaze.