BASIX Certificates

Building Sustainability Index

The Building Sustainability Index (BASIX) aims to deliver equitable, effective water and greenhouse gas reductions across NSW.

BASIX is a unique method of compliance using a state based regulatory assessment tool, however in almost all cases the use of NATHERS software is required for heating/cooling loads to achieve the cheapest construction alternative.

What is a BASIX Assessment?

A BASIX assessment measures your proposed development for sustainability against BASIX targets
that are based on the NSW home benchmark average.

BASIX sets water and greenhouse gas reduction targets relative to the NSW average benchmark for per person potable water consumption and greenhouse gas emissions within a residential application.

 BASIX reduces water and energy consumption in homes across NSW. These environmental outcomes also provide a long term financial saving for the homeowner and a valuable contribution to the sustainable future of NSW communities.

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