Crews alerted following multiple Emergency Triple Zero (000) calls from 5.29pm.
Firefighters are continuing with firefighting operations and have knocked down the fire considerably.
The roof of the two level house has collapsed.
No damage to neighbouring property.
ACT Ambulance Service intensive care paramedics have assessed two patients on scene who will not require transport to hospital. A cat was rescued by the ACT Ambulance Service and taken to a nearby vet for assessment. The ACT Ambulance Service will remain on scene supporting firefighting operations.
Update to follow.