Plumber's Assistant

A plumber's assistant supports qualified plumbers in the installation, maintenance, and repair of water supply, drainage, and gas piping systems in residential, commercial, and industrial settings. They prepare work sites, handle tools and materials, and perform basic plumbing tasks under direct supervision, while learning practical plumbing skills on the job.

Assemble and fit pipes, fittings, and fixtures such as taps, showerheads, and toilet cisterns following the plumber's specifications. Cut, bend, and thread copper, PVC, or steel pipes using hand tools, pipe cutters, and bending machines. Prepare work sites by clearing obstructions, protecting surfaces, and setting up scaffold or access equipment. Assist in locating and marking positions for pipe runs, drain lines, and gas fittings on walls and floors. Test completed plumbing installations for leaks using pressure testing equipment and water flow checks. Clean and deburr pipe ends and joints before soldering or compression fitting under supervision. Mix and apply plumber's cement, sealant, and jointing compounds to pipe connections. Carry and position heavy materials including copper coils, steel pipes, and water heaters on job sites.

The standard entry pathway requires a Certificate I or compulsory secondary education (ABS skill level 5). Specific qualification requirements vary by employer and state. Some employers may accept equivalent experience. Check yourcareer.gov.au for available courses and dewr.gov.au/skills-reform/free-tafe for subsidised training options.

The jump to becoming a licensed plumber requires completing an apprenticeship (usually 4 years), so you're looking at low pay for a long time. The work is also physically demanding: hauling heavy pipes, working in confined spaces, and dealing with sewage and blocked drains. Some days are genuinely unpleasant.

Regional and rural areas need plumbers but have fewer assistant positions. Most work is on-site at building locations, not remote. Jobs depend on construction activity and housing renovation cycles, so they can dry up during economic downturns.

Published for ANZSCO unit group 8211, the wider group this job sits in, not for this job on its own.

This is the median for full-time employees who are not managers and are paid at the adult rate, before tax and salary sacrifice. It is a guide to what the work pays, not a wage rate.

Source: ABS Survey of Employee Earnings and Hours, May 2025, customised report.

• Active Listeningcore
• Adaptability and Flexibilitycore
• Attention to Detailcore
• Basic Arithmetic and Numerical Accuracycore
• Check compatibility of materialscore
• Incident Reportingcore
• Policy and Procedure Adherencecore
• Problem Solvingcore
• Risk Identificationcore
• Team Collaborationcore
• Time Managementcore
• Verbal Communicationcore
• Workload Self-Managementcore
• Carpentry
• Continuous Learning and Upskilling
• Inventory Tracking
• Multitasking
• Quality Assurance and Checking
• Regulatory and Legislative Awareness
• Supplier Communication
• Written Communication

• ABS OSCA 2024, occupation definition and task statements
• ABS Survey of Employee Earnings and Hours, May 2025, customised report.
• ABS, 2021 Census of Population and Housing based on usual place of residence (Custom Report). OSCA Experimental Estimates.

Role data is drawn from official Australian Government sources, and each figure names where it comes from. Where a role is not in the ABS classification, the page shows no government figures for it. Data may not reflect every local variation.

Where our numbers come from.

What Plumber's Assistant workers move into, from ten years of tax records.

Last updated: 30 October 2026