How to become a plumber

Learn to handle pipes like a pro.

Plumbers are the unsung heroes of the modern world. Mostly invisible, their work underpins so many elements of life we take for granted. Not just indoor toilets and showers, but heating, cooking and drainage. It’s a hands-on career with solid pay, strong job demand and clear pathways for progression.

What is a plumber and what do they do?

Plumbers install, maintain and repair systems that carry water, gas and waste. That includes everything from household taps to large-scale commercial infrastructure.

Typical work includes:

  • installing water supply and drainage systems
  • fitting and maintaining gas appliances and pipelines
  • working on heating, cooling and ventilation systems
  • installing fixtures like sinks, toilets and showers
  • diagnosing faults and repairing leaks or blockages
  • reading plans and complying with building codes and safety standards.

Many plumbers specialise over time, focusing on areas like gasfitting, roof plumbing, drainage or mechanical services.

Close up of male hands holding multi coloured plumbing pipes in front of a modern kitchen.

How do you become a plumber?

There’s one clear path to becoming a ticketed plumber in Australia, and that’s completing a four-year apprenticeship that includes a Certificate III in Plumbing. Then you apply for a state- or territory-specific licence. 

During your apprenticeship, you’ll work full-time with a licensed plumber, and you’ll earn while you learn. After completing your apprenticeship, you must apply for a licence or registration. 

Requirements vary slightly by state, but generally include:

  • completion of that Certificate III in Plumbing
  • relevant work experience (your apprenticeship covers this)
  • passing any required assessments.

In Victoria, you’ll need to apply for registration with the Victorian Building Authority (VBA) and pass their registration assessments.

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Vocational study

Certificate III in Plumbing

  • next intake See Apply for details
  • learning mode On campus
  • location Melbourne City
  • duration Full-time 4 years

What does it take to be a great plumber?

As an apprentice, you’ll learn to use tools safely and correctly, while you assist qualified plumbers on job sites, carry and prepare materials and learn how to install pipes and fixtures.

Over time, you’ll take on more complex work as your skills develop.

Tasks and responsibilities

Plumbers install, maintain and repair plumbing systems and fixtures such as:

  • hot water units
  • pumps
  • heating and cooling systems
  • natural gas appliances
  • water tanks
  • solar heating systems
  • sinks
  • basins and showers.

Skills you'll need

Plumbing is a physically demanding job, so it helps to be relatively fit and strong. But physical strength is only part of the job. The best plumbers combine practical skills with problem-solving and attention to detail. Key skills include: 

  • strong practical and technical ability 
  • problem-solving and diagnosing faults 
  • good communication with clients and team members 
  • attention to detail and safety awareness 
  • ability to read plans and follow regulations. 

Industry overview

In Australia, plumbing is an in-demand field that’s growing. A significant proportion of that growth is tied to similar growth in construction, but there is also plenty of scope to specialise in repair. According to the Australian Government’s Jobs and Skills site, median full-time earnings are $2000/week. 

It’s a practical, well-paid career with real staying power. When things go wrong, everyone suddenly remembers how important plumbers are.

Learn more about your plumbing study options

Whether you're a Year 12 student weighing up your options or thinking about switching careers, RMIT's building and construction courses provide a comprehensive and industry-focused education that can help you succeed as a carpenter in Australia.

Have more questions?

Our friendly staff at Study@RMIT are available five days a week to assist you.

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