The BASIX standards cover water, energy use and thermal performance. They apply to all new residential developments, as well as renovations more than $50,000. Increases to the BASIX standards came into effect on 1 October 2023.
To access the BASIX tool, users need to log in using their applicant or developer NSW Planning Portal account or register for an account.
Due to the large number of enquiries we’re receiving, we might take a little longer to respond than usual. Please refer to our BASIX support materials page for further assistance, and to see a list of updates to the tool to fix technical issues.
Increase to BASIX standards
The NSW Government has committed to achieving net zero emissions by 2050.
read moreHow BASIX standards apply
Information about creating and revising certificates and limited transitional arrangements in place.
read moreBASIX support materials
Learn more to get you started in creating or revising a BASIX Certificate, or to troubleshoot.
read moreThermal performance
The thermal performance section of the BASIX assessment examines the design and materials used in the building to reduce the need for artificial cooling and heating to keep the home comfortable.
read moreExamples of excellence in residential building
Inspiring case studies for sustainable living.
read moreAbout BASIX
Learn all about BASIX, how it applies to your development and how it is helping our environment.
read moreBASIX news and announcements
The enhanced BASIX tool is here
The enhanced BASIX tool is now live! All users can now access the tool via the NSW Planning Portal.
read moreBASIX tool enhancements mid-2023
The BASIX tool is being enhanced and is moving to the NSW Planning Portal in mid-2023.
Read moreMinor updates to the BASIX Tool
We have made a number of changes to BASIX.