The Ace Energy Assessments Blog
Practical guides and updates on NatHERS ratings, BASIX, Section J, Whole of Home and NCC energy efficiency — written by our accredited assessors to help you build smarter and comply with confidence.
Featured
NCC 2025 is here — but it's mainly a commercial update, and every state has adopted it on a different timeline. Here's a plain-English, state-by-state guide, plus why the 7-star rules for new homes haven't changed.
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NatHERS
Most new homes now need a minimum 7-star NatHERS rating plus a Whole of Home score. What that means, and how to hit it without blowing the budget.
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Section J
Residential or commercial? Class 1 or Class 2? We break down which energy pathway applies to your building and why it matters at DA stage.
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BASIX
The BASIX targets tightened again. Here's a quick tour of the water, thermal comfort and energy scores your DA now has to meet.
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