Amended plumbing & drainage applications

An amended plumbing and drainage application is required when multiple or significant changes are made to the original approved plans. For more information, go to section 43 of the Plumbing and Drainage Regulation 2019.

By email

Step 1.Gather your documents

Step 2.Send us your completed application form

Email the form and amended plans to plumbing&

Next steps:

  • When we receive your submission, we will calculate the fees and issue a notice to pay via email.
  • Provide us with proof of payment (e.g. receipt number, copy of receipt).
  • Your application will be assessed. If it is approved, a permit will be issued within 10 business days.
  • The application process will then continue as per original application requirements.