To revise a BASIX certificate:

1. Log into the NSW Planning Portal.
2. Select the relevant BASIX application reference number from your dashboard.
3. Select the “Revision” button on the application banner.
4. A new reference number and application will be generated. Complete the required information and calculate your scores.

For further instructions, please refer to the Revise a BASIX certificate (PDF, 176 KB) step-by-step guide.

Note: To revise a BASIX certificate created within the NSW Planning Portal, you must be the applicant. If you are not the applicant, the current owner and yourself will need to complete and submit the Authorisation to transfer BASIX project files (PDF, 138 KB) form.

Frequently asked question BASIX BASIX (BSX) Applicant Proponent Developer