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Qualified Supervisor Certificate - Plumbing, Draining and Gasfitting - New South Wales


You will need this certificate to supervise or carry out plumbing, draining and / or gasfitting work without supervision as an employee or as a member of a partnership or director of a company holding a Contractor Licence.

Plumbing includes water plumbing, roof plumbing and works of sewerage. Water plumbing includes plumbing involved in a fire service such as a fire sprinkler system, urban irrigation, and water supply. Water supply includes any work on pipes and fitting in a building in which any part of a sewerage service is connected to a septic tank or effluent system.

Gasfitting includes work on a gas installation (other than an autogas installation) connected or intended to be connected to a compressed natural gas container.

LP gasfitting work is restricted to work on a gas installation designed to carry liquefied petroleum gas in vapour phase only at pressures not exceeding 150 kilopascals.

Service type


A licence defines the need to obtain recognition / certification and registration to undertake a certain business activity.

Eligibility requirements

To be eligible for this licence, you must:

  • be at least 18 years of age
  • be considered a fit and proper person for the purposes of the licence
  • have the necessary qualifications and practical experience as specified by the Authority
  • not be a debtor to the Director-General or Administration Corporation
  • not hold any authority which is currently suspended or have had an unreasonable number of complaints, penalties or cautions against you
  • not be an apprentice or trainee.


One, three or five years


Anniversary of the date of issue


Fees Details for this service in table format.

Task Type Business Structure Amount Description
Apply Application All -

Grant of certificate:

  • 1 year - $162.00
  • 3 year - $273.00
  • 5 year - $471.00.

Fees for 2024-25

Apply Application All -

Restoration of certificate:

  • 1 year - $37.00
  • 3 year - $71.00
  • 5 year - $114.00.

Fees for 2024-25

General Duplicate Certificate All $57.00

Replacement certificate. Fees for 2024-25

Renew Renewal All -

Renewal of certificate:

  • 1 year - $31.00
  • 3 year - $62.00
  • 5 year - $106.00.

Fees for 2024-25

Vary Variation All $106.00

Add a trade or specialist category to certificate. Fees for 2024-25

Vary Variation All $106.00

Add a building category to certificate. Fees for 2024-25

Act(s) name

Home Building Act 1989 New South Wales

Regulation(s) name

Home Building Regulation 2014 New South Wales

Approval time

Applications will generally be assessed within 28 days.

Administering agency

Department of Customer Service

NSW Fair Trading

Contact details

Contact Email, Phone and Address Details for this service in simple two column table format, header then data.