ACT Fire & Rescue are working to extinguish the fire which has spread to the roof space.
Three pumpers, the Breathing Apparatus Van, a CAFS unit and two Command Officers are currently on scene.
ACT Ambulance Service are also on scene supporting operations with no injuries reported.
Four occupants of the house safely self evacuated.
There is no damage to neighbouring properties at this time.
Multiple Triple Zero (000) calls were received from 1:39am.