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Certificate IV · national qualification

Certificate IV in Plumbing and Services

This certificate suits plumbers who want to work at a more senior level, either running their own contracting business or moving into design work.

How long it takes
1 to 2 years
full time at TAFE NSW
What it costs
From $2,440
Subsidised at TAFE NSW, full fee up to $11,765
How you can study
Online or on campus
Taught by
19 providers
7 states and territories

Is this course right for you?

What the Certificate IV in Plumbing and Services asks of you, and what you might want to check first.

It helps to have

  • an interest in how water, drainage and gas systems work
  • an eye for detail when reading plans and specifications
  • confidence with numbers for estimating and costing jobs
  • a cautious approach to risk and safety on site

Before you start

For the operations stream, a candidate must hold a Certificate III in Plumbing or be authorised to undertake plumbing work by an Australian regulator/licensing body. There are no entry requirements for the hydraulic services design pathway.

What it costs

Subsidised place

From $2,440

at TAFE NSW. Whether you get a subsidised place depends on your state, residency, age and earlier study.

Paying the full fee

$8,660 to $11,765

across the TAFEs listed below. Private providers set their own fees.

  • TAFE NSWNSW

    Subsidised
    $2,440
    Concession
    $240
    Full fee
    $8,660
    How long
    1 to 2 years
  • GOTAFEVIC

    Subsidised
    $3,909
    Concession
    $782
    Full fee
    $11,765
  • TAFE QueenslandQLD

    Subsidised
    $4,230
    Concession
    $2,685
    Full fee
    $11,400

Fees as each TAFE shows them on its website, read 20 September 2026. Private providers set their own fees.

Where you can study this course

There are 19 places you can study this course. When you compare them, check they teach it the way you want to study, how far you'd be from a campus, what it will cost you and what past students say about the teaching and support. They're listed by how often people search for them, and none of them pays to be here or to move up.

  • TAFE NSW

    3 campuses, NSW

    More about TAFE NSW

    4.0from 2,410 Google reviews

    How you study
    On campus
    How long
    1 to 2 years
    Fee
    From $2,440 subsidised
    Course page for TAFE NSW (opens in a new tab)

    What students like

    • Teachers are supportive and ready to help
    • Staff are helpful and friendly
    • Course content is practical and industry relevant

    What to weigh up

    • Enrolment and admin can be slow
    • Some find front desk staff less helpful
  • Victoria University

    11 campuses, NSW, QLD, VIC

    3.9from 1,562 Google reviews

    Website for Victoria University (opens in a new tab)

    What students like

    • Lecturers are friendly, supportive and approachable
    • Studying one subject at a time through the block model
    • Staff are welcoming and ready to help

    What to weigh up

    • Admin can be hard to reach after you finish
  • Charles Darwin University

    12 campuses, NSW, NT

    4.2from 619 Google reviews

    Website for Charles Darwin University (opens in a new tab)

    What students like

    • Admin and support staff are helpful

    What to weigh up

    • Units vary depending on the lecturer
    • Feedback on assessments can vary
  • Swinburne University of Technology

    8 campuses, VIC

    4.0from 1,190 Google reviews

    Website for Swinburne University of Technology (opens in a new tab)

    What students like

    • Lecturers and tutors are supportive and want students to succeed
    • Student HQ and support staff are helpful and responsive

    What to weigh up

    • Enrolment and admin can be slow
    • You may be passed between departments
  • TAFE Gippsland

    11 campuses, VIC

    3.9from 113 Google reviews

    Website for TAFE Gippsland (opens in a new tab)
  • TAFE Queensland

    3 campuses, QLD

    4.1from 2,040 Google reviews

    How you study
    Online or on campus
    Fee
    From $4,230 subsidised
    Course page for TAFE Queensland (opens in a new tab)

    What students like

    • Teachers are helpful and supportive

    What to weigh up

    • Poor communication from admin
  • TAFE SA

    26 campuses, SA

    4.4from 1,339 Google reviews

    Website for TAFE SA (opens in a new tab)

    What students like

    • Lecturers are nice and helpful

    What to weigh up

    • Enrolment and admin can be slow
    • Course information can be unclear
  • The Gordon

    5 campuses, VIC

    4.0from 168 Google reviews

    Website for The Gordon (opens in a new tab)

    What students like

    • Teaching staff are supportive and highly professional
    • Staff are friendly and helpful

    What to weigh up

    • Courses can feel loosely organised

What you’ll learn

15 units: 10 that everyone takes and 5 you choose.

  • Reading and interpreting plans
  • Designing sanitary drainage and plumbing
  • Sizing stormwater systems
  • Designing gas installations
  • Hot and cold water services
  • Estimating and costing work
See all 10 core units

Core units

Everyone completes these. Select a unit to see what it covers.

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Questions to ask before you enrol

Providers run this course differently, so the answers change from one to the next.

  1. When is the next intake, and how many are there each year?
  2. What is the total cost, including materials, checks and any placement costs?
  3. Can I study part time or online, and how does that change the length?
  4. Do the units count towards a higher qualification if I go on to study further?

Questions people ask

Who is this qualification for?

It suits plumbers who want to work at a more senior level, such as running their own contracting business or moving into design work. It also reflects experienced plumbing service operators with advanced technical skills, project design and supervision responsibilities, or hydraulic consultants designing systems for domestic, commercial and industrial contexts. Occupational titles include plumbing contractor and hydraulic designer, and roles can lead to plumber or plumbing inspector.

Do I need experience or other qualifications first?

For the operations stream, you must hold a Certificate III in Plumbing or be authorised to undertake plumbing work by an Australian regulator or licensing body. There are no entry requirements for the hydraulic services design pathway. Individual providers can set their own conditions, so check with the provider you choose.

Is a licence, registration or check required to work in this area?

This is a licenced occupation in some jurisdictions, and licensing, legislative, regulatory and certification requirements may vary between states and territories. Relevant state and territory regulatory authorities should be consulted to confirm those requirements.

Related courses

The national training register, training.gov.au. TAFE course pages, read 20 September 2026. Google reviews. Pay and shortage status from Jobs and Skills Australia.