Introduction

A tradesperson certificate allows drainers, gasfitters, plumbers, roof plumbers and water plumbers to work with minimum supervision.

If you gain further qualifications that allow you to work in additional classes, you can add or change a class on your tradesperson certificate.

You can do this at a service centre.

What you need

  • the PDF forms:
    • 'Application Form - Individual'
    • 'Checklist for Individuals' (if applicable)
    • 'Additional Details Form/s' (if applicable)
  • proof of identity 
  • one passport size photograph
  • documentation that validates the change of class
  • your referee's statement (if applicable)
  • certificate of eligibility to obtain insurance (if applicable)
  • your payment.

How to change

  1. Download and complete:
  2. Gather the required supporting documentation.
  3. Visit a service centre and provide the information together with your payment.

More information

You need a medical gas licence to do any medical gas work in NSW, regardless of the work cost or whether it's residential, commercial or industrial.

Payment methods

You can review transaction payment options on our payment methods page.

Last updated: 2 July 2024

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