NCC 2025 Compliance Checker

Enter your build site postcode, frame type and membrane class below and we'll show you what the incoming NCC 2025 requirements mean for your wall assembly. A straightforward starting point for builders wanting to get ahead of the changes before they take effect.

*Please note, results are indicative and based on the information provided. For project-specific compliance advice, we recommend consulting a qualified building designer or energy assessor.

Your Project Details

Build Site Postcode

Enter a 4-digit postcode to auto-detect your climate zone and state

State / Territory

Climate Zone

Frame Type

Membrane Class

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This tool provides indicative guidance based on NCC 2025 preview provisions and is not a substitute for professional advice. Climate zone is approximate based on postcode — verify at ABCB Climate Map. Always confirm requirements with your building certifier. © Australian Thermal Industries 2026.

NCC 2025 Compliance Checker

Your Project Details

Better practice.Proven by the code.

Better practice.
Proven by the code.