A two-storey home on Greta Street in Gerringong has been destroyed after going up in flames overnight.
Emergency Services were called around 7.30pm to find the property well alight with multiple RFS and Fire and Rescue NSW crews responding.
The blaze has been extinguished but crews are still on scene monitoring for hot spots and possible structural collapse.
NSW Police said the two occupants were not home at the time of the blaze and no injuries have been reported.
An investigation to determine what caused the fire is underway.
Lake Illawarra police are appealing for anyone with information or vision of the incident to contact Crime Stoppers on 1800 333 000.
Images: Gerringong RFS