Building your first home in NSW? Here’s what you need to know about your home's energy rating!

Navigating building approvals can feel overwhelming, but understanding your energy rating is key to getting your design approved and building a comfortable home.

Here’s the quick breakdown: 🌟 NatHERS 7-Star Scale: The national baseline for thermal comfort—evaluating your home's design from 0 to 10 stars. ⚖️ Heating & Cooling Load Caps: Mandatory separate limits so your home stays comfortable in both summer and winter. 📑 BASIX Certification: The NSW planning requirement covering Thermal Comfort, Energy efficiency, and Water conservation.

Check out the visual breakdown below, and read our latest guide for a complete step-by-step roadmap to getting certified! 👇

Did you know Australia has two different climate zone systems for home design?

While the National Construction Code (NCC) breaks the country into 8 broad zones for general building rules, NatHERS uses 69 precise subzones to calculate hourly heat flows and energy star ratings.

Your climate zone shapes everything from your minimum insulation R-values and roof colours to your heating and cooling load caps under NCC 2022.

There is an expectation that NatHERS-accredited third-party user interfaces will also be available.

I haven’t been able to find a complete public list of what’s already available or what’s coming, so I’m starting one here.