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How to Become a Licensed Plumber: Australian Careers in Building and Construction

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What is a Licensed Plumber?

What will I do?

What skills do I need?

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What is a Licensed Plumber?

A licensed plumber installs, maintains, and repairs pipes, fixtures, and drainage systems in homes, businesses, and industrial sites. They keep water supply, gas, and waste systems running safely and to code.

Licensed plumbers handle a wide range of jobs. These include fitting water heaters, laying drainage, unclogging pipes, and connecting gas appliances. They read blueprints, cut and join pipes, and test systems before signing off on work.

The role demands solid technical skill and close attention to detail. A small fault in a pipe joint or gas line can cause serious harm. Plumbers must follow the Plumbing Code of Australia and hold a state-issued licence before working without supervision.

There is steady demand for licensed plumbers across Australia. About 107,600 plumbers are employed nationally. The sector adds 4,500 new jobs each year (Jobs and Skills Australia, 2025). This trade offers strong job security and competitive pay.

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Career snapshots For Licensed Plumbers

Licensed plumbing is one of Australia’s most in-demand trades. About 107,600 plumbers work across the country. Of these, 93% work full-time and average 44 hours a week (Jobs and Skills Australia, 2025). The sector added 4,500 jobs in 2025, driven by construction and infrastructure investment.

The median age of a working plumber is 34 years. Median full-time weekly pay is $1,990, or about $103,000 a year (ABS Survey of Employee Earnings and Hours, May 2025). Gas fitting, mechanical services, and drainage all attract higher pay. Three per cent of plumbers are women (Jobs and Skills Australia, 2025).

What will I do?

A licensed plumber carries out a broad range of jobs each day. Work spans new builds, renovations, maintenance, and emergency call-outs. Every task must meet the Plumbing Code of Australia before completion.

  • Install pipes, fixtures, and fittings for water supply and drainage
  • Fit and service gas appliances, flues, and pressure regulators
  • Read and follow blueprints and plumbing plans
  • Test systems for leaks, flow rates, and pressure
  • Carry out routine maintenance on homes and commercial properties
  • Diagnose and repair leaks, blockages, and faulty fixtures
  • Install hot water systems and related appliances
  • Respond to emergency call-outs for burst pipes and severe leaks
  • Check that all work meets plumbing codes and safety rules
  • Work with electricians, builders, and other tradespeople on building sites

What skills do I need?

Licensed plumbers need both technical knowledge and practical skill. They must understand how water and gas flow, how drainage works, and how pipes behave under pressure. They also read blueprints and follow the Plumbing Code of Australia on every job.

Problem-solving sits at the core of the work. Plumbers often deal with hidden faults and tight spaces, so sharp diagnostic skills and good physical fitness are important. Strong communication matters too. Clients rely on plumbers to explain faults clearly and agree on costs before work begins.

Skills/attributes

  • Knowledge of water supply, drainage, and gas systems
  • Ability to read blueprints and technical drawings
  • Understanding of the Plumbing Code of Australia
  • Problem-solving and fault diagnosis
  • Attention to detail and precision in measurements
  • Physical fitness and manual dexterity
  • Safe use of plumbing tools and equipment
  • Workplace health and safety compliance
  • Time management and job planning
  • Clear communication with clients and contractors
  • Customer service skills
  • Ability to work independently and in a team
  • Basic mathematics for measurements and materials estimates
  • Knowledge of state-specific licensing requirements

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About the author

Laura Atkinson

Laura Atkinson

Laura Atkinson is an Account Management and SEM specialist at Course Finder Group with six years' experience in the Australian education sector. She works day to day with universities, TAFEs and independent training providers, which gives her a close view of how courses map to real career outcomes. She writes practical guidance on career pathways, choosing the right qualification and what to expect when moving into a new field.