How will a BAL Rating affect my
So you are building a house in a Bushfire Prone area and now you are wondering what that may mean for the future of your home or project. How much will it cost and what changes do you need to make?So you are building a house in a Bushfire Prone area and now you are wondering what that may mean for the future of your home or project. How much will it cost and what changes do you need to make?
If you haven’t already done so, you may find it helpful to get some background to BAL levels with these articles:
Once your design has been assigned a BAL rating by an accredited bushfire consultant, your construction plans will need to be updated to reflect the correct construction requirements for the level it has been assigned.
There are five BAL levels, each one requires different construction requirements. The levels are BAL 12.5, BAL 19, BAL 29, BAL 40, and BAL FZ.
Each level will add construction requirements and therefore costs to your building. In the submission by FESA to the Keelty Report they produced this table in regards to cost: (Keep in mind this is nearly 10 years old)
Alternatively to the table above, The Shire of Busselton in Council Agenda dated 11/05/2011 on matter concerning the identification of Bushfire prone areas provided the following information that estimated the costs (above standard constructing standards) of compliance with AS3959-2009.
- BAL – 12.5 – 3-4%
- BAL – 19 – 4-5%
- BAL – 29 – 6-6.5%
- BAL – 40 – 6-10%
- BAL – FZ – 8-10%