CPC40920 - Certificate IV in Plumbing and Services

Put your training and experience to use with ITEC’s RPL services and earn a nationally recognised qualification with a CPC40920 – Certificate IV in Plumbing and Services via our RTO partners.

Qualification Overview

Qualification Name:

Certificate IV in Plumbing and Services

Qualification Code and Units of Competency:



Within four weeks of receiving sufficient and complying evidence of competency in all applied for units of competency.

For all aspiring plumbers and tradespersons, the certificate IV in plumbing and services is going to take your career to the next level. Gain this qualification to work independently or in a supervisory capacity in residential and commercial building projects throughout the country. This certificate is aimed at registered plumbers or plumbers in their final year of apprenticeship and is an essential step towards completing your plumbers’ licence.

You can complete this certificate to work independently as a plumber, improve their technical skills, or specialise in certain plumbing streams. This certificate can help people enhance their career prospects by gaining new skills, refreshing and updating existing talents, changing jobs, and/or filling a gap in the industry.

Please see the list below for our eligibility requirements:

  • The applicant must be an Australian citizen or permanent resident. Alternatively, the applicant must be eligible for a full-time working visa.
  • The applicant must also have a minimum of two years’ work experience as a plumber.
  • The applicant must possess a Certificate III in Plumbing or be permitted to perform plumbing work by an Australian licencing or regulatory organisation.

Once you complete this certificate, new opportunities in commercial and residential plumbing. This certificate will also make you eligible to work in fire services. Some possible roles are:

  • Plumbing, drainage and gas fitter contractor
  • Fire Services Supervisor
  • Air Conditioning Technician
  • Specialist Hydraulic Designer

This certificate can also prepare you to be a self-employed business owner of a plumbing business.

  • Applying for a plumbing licence is a great option to advance your career. There is a high demand for plumbers in Australia. In all Australian states, a plumbing licence and registration are necessary to carry out plumbing tasks such as gas fitting, drainage, and plumbing.

    You can learn more about how to apply for a plumbing licence here.

This certification reflects your knowledge and skills in the area of plumbing services and covers you should you wish to pursue the following outcomes: Fire services Stream, Mechanical Services & Airconditioning Stream, Plumbing Services & Management Stream – Individuals who manage plumbing businesses, Plumbing Services & Operation Stream – Specialist plumbing tradesmen or operator who wish to deepen their technical skills, Hydraulic Services Design Stream – Specialist hydraulic consultants.

You will need to provide a range of evidence to assist your assessor to make a decision about your competence. The types of evidence you may be asked to provide can include:

  • Résumé 
  • Letter of Employment
  • Current employment contracts
  • ID
  • Payslips 
  • Letters of reference from licensed tradesmen you have worked with.
  • Videos or photos of your work.
  • Evidence of overseas qualifications.
  • Transcripts or assessments from related previous qualifications.
  • Apprenticeship papers.
  • Safe Work Practice Forms
  • Risk Management Documents
  • OHS requirements
  • Policies and Procedures
  • Quotes/Invoices and Stock Orders
  • Safe Work Method Statements
  • Job Safety Analysis
  • Plans/Blueprints/Schematics

Once you are qualified, possible roles include:

  • Plumbing contractor
  • Fire services supervisor
  • Air conditioning technician
  • Specialist hydraulic designer
  • You can be certified anywhere in Australia with a nationally recognised qualification
  • Have your certification within four weeks of evidence being received
  • Gain accreditation from a reputable Registered Training Organisation
  • Customer Satisfaction Guarantee
  • Get your FREE RPL Quote today!
  • Construction Trades College (RTO: 40250)
  • Building Trades Australia (RTO: 30979)
  • ​Career Skills Australia (RTO: 45254)
  • Australian Industrial Systems Institute (RTO: 21916)


Take a free, 60-second skill test

We have up-to-date schedules, and contact information, & let you book appointments online.

Four Easy Steps To Get Qualified

Free Skills Assessment

Speak to ITEC Australia about your goals, and allow us to guide you towards the qualification that will help you reach them.

Portfolio of Experience

Your dedicated consultant will guide you through the process of putting together a portfolio of evidence. This can contain overseas qualifications, transcripts, certificates, photos and videos, samples or work examples, letters of reference, your current resume, etc.

Evidence Review

Once one of our partner registered training organisations (RTOs) has assessed your portfolio, the assessor assigned to your case may be in touch if any additional evidence is required. If you have any weak areas, the RTO may assign a trainer to upskill you at no cost to you.

You’re Qualified

ITEC Australia is partnered with Registered Training Organisations whose qualifications are nationally recognised in Australia, and are the same as the qualification you would receive from full time study. Qualifications can also be useful for licensing or immigration purposes.

Qualification Description

This qualification reflects the role of an experienced plumbing service operator with advanced technical skills and/or responsibility for project design and supervision; or a hydraulic consultant responsible for designing hydraulic components and systems that meet client requirements and help in effective water management in domestic, commercial and industry contexts.

Occupational titles could include:

  • Plumbing contractor
  • Hydraulic designer

The plumbing industry strongly affirms that training and assessment leading to recognition of skills must be undertaken in a real or closely simulated workplace environment and this qualification requires all units of competency to be delivered and assessed in this context.

Completion of the general construction induction training program specified by the model Code of Practice for Construction Work is required before entering a construction work site. Achievement of CPCCWHS1001 Prepare to work safely in the construction industry meets this requirement.

This is a licenced occupation in some jurisdictions. 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.

Entry Requirements

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.

Packaging Rules

To be awarded this qualification, competency must be achieved in:

  • 15 units of competency:
  • 10 core units
  • 5 elective units.

For the award of the CPC40920 Certificate IV in Plumbing and Services (Hydraulic services design)  electives are to be selected as follows:

  • 15 units of competency:
  • 10 core units
  • 5 elective units from Group A
  • 2 units may be replaced by units from other Training Packages or nationally accredited courses at Certificate IV level and above, provided they do not duplicate the outcome of another unit chosen for the qualification.
  • Electives cannot be selected from Group B.

For the award of the CPC40920 Certificate IV in Plumbing and Services (Operations)  electives are to be completed as follows:

  • 15 units of competency:
  • 10 core units
  • at least 1 elective from Group B
  • the remaining 4 elective units from Group A or Group B
  • 2 units may be replaced by units from other Training Packages or nationally accredited courses at Certificate IV level and above, provided they do not duplicate the outcome of another unit chosen for the qualification.

The elective units must ensure the integrity of the AQF alignment and contribute to a valid, industry-supported vocational outcome.

An asterisk (*) against a unit code below indicates that the unit has a prerequisite. Please check the unit for information on this. All prerequisites are packaged in the qualification.


Core Units 



Establish legal and risk management requirements of new business ventures


Read and interpret plans and specifications


Carry out work-based risk control processes


Estimate and cost work


Access and interpret regulatory requirements for the plumbing and services industry


Design and size sanitary drainage systems


Design and size stormwater drainage systems


Design and size consumer gas installations


Design and size sanitary plumbing systems


Design and size heated and cold-water services and systems



Group A  



Plan finances for new business ventures


Manage work health and safety in the building and construction workplace


Apply sustainable building design principles to water management systems


Resolve business disputes


Produce 2-D architectural drawings using design software


Design and size domestic treatment plant disposal systems


Design vacuum sewerage systems


Design residential fire sprinkler systems


Design, size and lay out heating and cooling systems


Design compressed air systems


Design and size roof drainage systems



Group B 



Carry out WHS requirements


Install on-site domestic wastewater treatment plants and disposal systems


Install residential life safety sprinkler systems


Commission domestic and residential fire suppression sprinkler systems


Disconnect and reconnect Type A gas appliances


Service Type A gas appliances


Install, commission and service Type B gas appliances


Commission air and water systems


Install and commission water heating systems and adjust controls and devices


Install backflow prevention devices


Commission and maintain backflow prevention devices


Commission and maintain hot and heated water temperature control devices


Disconnect-reconnect electrical equipment connected to low voltage (LV) installation wiring

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