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Skip Navigation LinksDepartment of Housing and Public Works > Construction > Building and plumbing > Plumbing and drainage > Types of plumbing and drainage work > Notifiable work

Notifiable work

Notifiable work is a category of plumbing and drainage work that allows a plumber or drainer to perform the work without a local government permit or mandatory inspections.

This includes most work performed in existing homes and limited work on commercial buildings.

The Plumbing and Drainage Regulation 2019, Schedule 1 sets out the type or categories of work that can be done as notifiable work.

When you perform notifiable work, you must submit a Form 4 Notifiable Work​ to the Queensland Building and Construction Commission.

Work excluded from notifiable work

The following work is not considered notifiable work:

  • installation of an appliance or fixture in a building that is connected to a combined sanitary drain or dual-reticulated water supply
  • work for, or connected to, trade waste
  • work that uses a performance solution.

This work requires a plumbing permit to complete.

What is notifiable work

Supply pipes

This is work necessary to extend, alter, replace or remove supply pipes, other than supply pipes for a fire service, if the work is for any of these:

  • an existing building
  • an extension to an existing class 1 building
  • a structure for an existing class 1 building.

Fire services

This is work necessary to extend or remove a fire service if the work is both:

  • associated with a building development approval under the Building Act 1975, Schedule 2
  • for an existing class 2 to 9 building.

Existing sanitary plumbing

This is work necessary to extend, alter, replace or remove sanitary plumbing if the work is for an existing building.

Existing sanitary drainage

This is work necessary to extend, alter, replace or remove drainage, other than a combined sanitary drain, if the work is for any of these:

  • an existing class 1 or 10 building or structure
  • an extension to an existing class 1 building
  • a structure for an existing class 1 building.

Temperature control devices

This is work necessary to install, replace or remove a temperature control device if the work is for any of these:

  • an existing building
  • an extension to an existing class 1 building
  • a structure for an existing class 1 building.

Water heaters

This is work necessary to install, replace or remove a water heater, if the work is for any of these:

  • an existing building
  • an extension to an existing class 1 building
  • a structure for an existing class 1 building.

Backflow prevention devices

This is work necessary to install, replace or remove a testable backflow prevention device or dual check valve with atmospheric port if the work is for any of these:

  • an existing building
  • an extension to an existing class 1 building
  • a structure for an existing class 1 building.

Greywater treatment plants

This is work necessary to either:

  • install a greywater use facility that includes a greywater treatment plant in a sewered area—if the premises where the facility is proposed to be installed generates no more than 3kL of greywater a day
  • replace a greywater treatment plant.

Fixtures for class 1 or 10 buildings

This is work necessary to install or relocate a fixture if the work is for any of these:

  • an existing building
  • an extension to an existing class 1 building
  • a structure for an existing class 1 building.

Fixtures for class 2 to 9 buildings of 1 or 2 storeys

This is work other than for sanitary drainage that is necessary to install or relocate a fixture—if the work is for an existing class 2 to 9 building of 1 or 2 storeys above ground.

Sanitary drains

This is work necessary to seal a sanitary drain upstream from the connection point for a treatment plant or a service provider’s sewerage system—if the work is for an existing building.

Sealing supply pipes

This is work necessary to seal a supply pipe downstream from a water meter—if the work is for an existing class 2 to 9 building.

More information

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Last updated 26 July 2019    Creative Commons Attribution 4.0 International (CC BY 4.0)


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