Important: This page is an independent reference summary. Verify classification decisions against the official ABS source before using them for tax, licensing, immigration or compliance purposes.

Role overview

A Plumber's Assistant is a construction labourer who supports qualified plumbers in Australia. This role, classified under OSCA code 821633, involves performing routine physical tasks to aid in the fabrication, installation, and maintenance of plumbing systems. Assistants work under the direct supervision of a licensed plumber, contributing to projects involving water supply pipes, drainage systems, fixtures like sinks and toilets, and water metering equipment. The position serves as a common entry point into the plumbing trade, providing practical experience on residential, commercial, and civil construction sites. This classification is used in Australian workforce data collection, job descriptions, and by organisations like Services Australia.

Key tasks in practice

The day-to-day work of a Plumber's Assistant is hands-on and physically demanding. Key responsibilities include:

  • Assisting qualified plumbers by measuring, cutting, and fitting pipes and fixtures according to instructions.
  • Holding pipes and components securely in position while the plumber performs welding, soldering, or other joining work.
  • Helping to install, repair, and replace common plumbing fixtures such as toilets, sinks, basins, and taps.
  • Carrying tools, equipment, and materials to and from the work site and ensuring the work area is kept tidy and safe.
  • Learning to identify different types of pipes, fittings, and tools used in standard Australian plumbing practices.

Skill level explanation

This occupation is classified at Skill Level 5 in the Australian OSCA framework. This indicates that the role typically requires a skill level commensurate with the following:

  • Short periods of on-the-job training and orientation are sufficient to become competent in the role. No formal Australian Qualifications Framework (AQF) certificate is mandated.
  • Tasks are routine and procedural, performed under direct and continuous supervision. The assistant follows clear instructions rather than making independent decisions.
  • The position is considered an entry-level role within the labourer occupational group, often providing a pathway to an apprenticeship or further training.

Industry context

Plumber's Assistants are employed primarily within the construction sector. According to the related ANZSIC industry classifications, the most common employment settings are:

  • ANZSIC 3332: Plumbing Services – Working for specialised plumbing contractors on a variety of installation and maintenance jobs.
  • ANZSIC 3109: Other Building Completion Services – Assisting with plumbing work during the final stages of building construction.
  • ANZSIC 3231: Non-Building Construction – Supporting plumbing and drainage work on civil engineering projects like infrastructure and utilities.

Employment can be found with small plumbing businesses, large construction firms, and local government authorities, predominantly on project-based work.