The BASIX tool is now part of the NSW Planning Portal. Users will need to log in or register for a Planning Portal account to access the tool.
Due to the large number of enquiries we’re receiving, we might take a little longer to respond than usual. Please review our BASIX support materials to see if your question has already been answered, or for an update on an identified technical issue.
BASIX support materials
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.
You can access the BASIX tool with an existing applicant or developer NSW Planning Portal account. If you don’t have one of these accounts, you can register for one.
Access the BASIX tool via the Planning Portal
Increases to the BASIX standards came into effect on 1 October 2023. If you generated a BASIX certificate before 1 October, you do not need a new certificate. You must submit this with your development application, or lodge it with your complying development certificate application, within the 3-month validity period.