To generate a BASIX certificate, you need to complete an online sustainability assessment using the BASIX assessment tool. The tool checks elements of a proposed design against sustainability targets for energy, thermal performance and water efficiency. Once the assessment is complete and you have paid the relevant fee, a BASIX certificate will be issued.
To generate a BASIX certificate:
- Log into the NSW Planning Portal. Note: You will require a NSW Planning Portal account. For step-by-step instructions, view the Register for a NSW Planning Portal account (PDF, 639 KB) step-by-step guide.
- Select “BASIX certificate” from the new application drop-down list on your dashboard, alternatively select BASIX from the “New” menu at the top left-hand corner of the screen.
- Input the required information and calculate your scores.
- Pay the required BASIX certificate fee.
- Generate the BASIX certificate.
View the How to create a BASIX certificate for single dwellings (PDF, 668 KB) step-by-step guide if the development is for a single dwelling.
View the How to create a BASIX certificate for Alterations and Additions (PDF, 611 KB) step-by-step guide if the development is an alteration or addition.
View the How to create a BASIX certificate for multi dwellings (PDF, 646 KB) step-by-step guide if a multi-dwelling development.
Frequently asked question BASIX BASIX (BSX) Applicant Proponent Developer