Bushfire-prone areas, Australia
#00261
PartialNational
Case study of
#00293 Retrofit roofs, vents and building envelopes against embers
Implementer
Australian building regulators, states and local authorities
Location
Bushfire-prone areas, Australia-25.2744, 133.7751
Description
Australia applies bushfire construction requirements under AS 3959 to new buildings in designated bushfire-prone areas. The standard sets construction requirements based on a Bushfire Attack Level (BAL) rating assigned to each site. Coverage is limited to new builds; existing homes require separate retrofit programs to achieve equivalent protection.
Lessons learned
- Construction standards under AS 3959 reduce vulnerability for new builds but do not protect existing buildings unless dedicated retrofit programs are established and funded separately.
- A compliant building can still ignite when neighborhood-scale ember exposure or fire intensity exceeds the BAL rating used at design time — site assessment must account for surrounding land use, not just the parcel.
Documented Jul 30, 2026