Ratings & Standards for Sustainable Homes in Australia

Making Sense of the Ratings

Australia has multiple rating systems and building standards for sustainability, and they don’t always align. Understanding what each one measures, what’s mandatory vs voluntary, and what a good score actually means will help you set realistic targets and avoid greenwash.

What You’ll Find Here

• NatHERS star ratings: what they measure and current WA requirements
• National Construction Code (NCC) 2025 energy efficiency provisions
• Green Star Homes: voluntary certification and what it covers
• Passive House (Passivhaus): the international standard and Australian projects
• Comparing ratings: which systems matter for WA residential builds
• How to use ratings to hold your builder and designer accountable

Detailed articles for each topic are on the way. Check back soon or get in touch to suggest a topic.