3231 Plumbing Services

Latest release
Australian and New Zealand Standard Industrial Classification (ANZSIC)
Reference period
2006 (Revision 2.0)

3231 Plumbing Services

This class consists of units mainly engaged in plumbing or drainage (except sewerage or stormwater drainage systems construction). Also included are units mainly engaged in septic tank and other plumbing installation and repair.

Primary activities

  • Drain construction or repairing (except sewerage or stormwater drainage systems)
  • Gas plumbing
  • Guttering, roof, installation or repair
  • Hot water system installation
  • Installation of domestic water recycling equipment
  • Plumbing (except marine)
  • Repair of installed plumbing
  • Septic tank installation (including repair)
  • Solar hot water system installation


Units mainly engaged in

  • the construction of sewerage or stormwater drainage systems are included in Class 3109 Other Heavy and Civil Engineering Construction;
  • installation of fire sprinkler systems are included in Class 3234 Fire and Security Alarm Installation Services;
  • repairing gas appliances are included in Class 9421 Domestic Appliance Repair and Maintenance; and
  • pumping or cleaning septic tanks are included in Class 2921 Waste Treatment and Disposal Services.
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