Have you used EcoForm's free BAL Estimator, NaTHERS Star Estimator or Commercial Compliance Check?
Try the Calculator Now!Three calculators to size up a project before engaging a consultant. Useful at sketch design, feasibility, or when a client asks for a rough indication.
Estimate Bushfire Attack Level by vegetation distance and slope. AS 3959 Method 1.
Indicative star rating for a residence by climate zone, glazing and insulation.
Indicative envelope performance check for a commercial development.
WA adopted NCC 2025 on 1 May 2026 with a 12 month transition. Check which edition your commercial project can use.
These tools give a planning-stage estimate. Statutory approval requires a formal assessment by an accredited assessor — speak with our team when you are ready to certify.