How to Find a Reliable Plumber in Perth Without the Guesswork

Finding a good plumber in Perth is one of those things that feels straightforward until you actually need one. Search online, get a few names, read some reviews, pick one.

Simple enough in theory. In practice, the quality of plumbing work varies significantly, and choosing someone unreliable can mean paying twice to fix the same problem or discovering unlicensed work when you sell the property.

This guide covers what to look for before you hire anyone, what questions to ask and what the legal requirements are for plumbing work in Western Australia.

Check the licence first, not the website

The most important thing to verify before hiring a plumber in Western Australia is that they hold a current licence. All plumbing work in WA must be carried out by a licensed plumber registered with Building and Energy under the Plumbers Licensing Act 1995 (WA).

A professional website, good reviews and a friendly phone manner are all useful signals but none of them confirm that the person doing the work is actually licensed. You can verify a plumber's licence through the Building and Energy public register. It takes a couple of minutes and removes any doubt.

Unlicensed plumbing work is illegal in WA, voids most home insurance policies and creates significant problems if identified during a pre-purchase inspection when you sell. The Building and Energy division of DMIRS takes complaints about unlicensed plumbing seriously and has the authority to investigate and prosecute.

Understand what type of plumber you need

Plumbing covers a wide range of work, and not every plumber does everything. Most fall into one or more of the following categories.

General residential plumbers handle the work most homeowners need: tap repairs, toilet replacements, hot water systems, kitchen and bathroom plumbing connections, leak repairs and general maintenance. This is the most common type of plumber for residential property work.

Drain and sewer specialists focus on blocked drains, drain relining, CCTV drain inspection and sewer connection work. If you have a recurring blocked drain or suspect a broken sewer line, a specialist in this area is worth seeking out rather than a general plumber.

Gas fitters are licensed specifically for gas work. Some plumbers hold both a plumbing licence and a gas licence. Others hold only one. If your job involves gas, confirm that the person you're hiring holds a current gas fitting licence in addition to a plumbing licence.

Hydraulic consultants and commercial plumbers work primarily on large-scale or commercial projects. For standard residential work you won't need this category, but it's useful to know it exists if you're ever managing a larger development project.

What to ask before agreeing to anything

Getting a few quotes is sensible for any significant plumbing job. When you speak to a plumber, these are the questions worth asking before you agree to work starting.

Are you licensed and insured? The licence question has been covered above. Insurance is equally important. A plumber doing work at your property should carry public liability insurance. Ask for confirmation of both and don't feel awkward about it. Any professional will expect the question.

Will this work require a Plumbing Notice? Under WA regulations, most plumbing work requires the plumber to lodge a Plumbing Notice with Building and Energy before or after the work is completed, depending on the nature of the job. This is a compliance requirement that confirms the work has been done to the required standard. A plumber who is vague about this is worth questioning carefully.

Is this a fixed price or an hourly rate? For straightforward jobs, a fixed price gives you certainty. For diagnostic or investigative work where the extent of the problem isn't known yet, an hourly rate is normal. Make sure you understand which one applies and what happens if the scope changes once work is underway.

What is the payment schedule? For larger jobs, payments are typically staged. Be cautious of anyone asking for full payment upfront before any work has started. A reasonable deposit to secure materials is normal. Full payment before work begins is not.

Do you provide a warranty on your work? Quality plumbers stand behind their work. Ask what warranty is provided on labour and any parts supplied, and how defects or callbacks are handled.

How to assess reviews and references

Online reviews are useful but imperfect. They're easy to selectively present and impossible to fully verify. A pattern of consistent positive reviews across multiple platforms over time is more meaningful than a handful of glowing reviews that all appeared in the same month.

For any significant plumbing job, asking for a direct reference from a recent customer who had similar work done is more valuable than reading reviews. A plumber doing good work will have customers willing to take a call.

Look for reviews that mention specific things: whether the plumber showed up on time, communicated clearly, cleaned up after the job, charged what was quoted and fixed the problem properly the first time. These are the things that separate a good plumber from an average one.

The Master Plumbers and Gasfitters Association of WA maintains a directory of member plumbers across Perth. Membership isn't a guarantee of quality, but member plumbers have agreed to a code of conduct and have access to ongoing industry training, which is a reasonable baseline indicator.

Emergency plumbing in Perth

Burst pipes, overflowing toilets, active leaks causing damage and gas leaks all require urgent attention rather than a scheduled appointment. Most Perth plumbing businesses offer emergency callout services, though availability and response times vary.

If you have a serious leak, locate your mains water shutoff valve, usually near the front boundary of your property at the meter, and turn it off to limit water damage while you wait for a plumber. The Water Corporation of WA has guidance on locating your shutoff valve and what to do in a water emergency.

For gas emergencies, leave the building and call Atco Gas Australia on 13 13 52 before calling a plumber. Do not re-enter the property until the network has been made safe.

What to do if something goes wrong

If a plumber does work that is defective, incomplete or not to the standard agreed, the first step is to raise the issue directly with the plumber or their business. Most problems at this stage are resolved without needing to go further.

If that doesn't resolve the issue, the Building and Energy division of DMIRS handles complaints about licensed plumbers in WA and can investigate where standards haven't been met. The Consumer Protection division of DMIRS can also assist with disputes involving contracts and payment.

Why one team for multiple trades makes sense

One of the most common frustrations Perth homeowners describe when managing property work is coordinating multiple separate tradies. The plumber finishes and then you need a tiler. The tiler finishes and then you need a carpenter. Each one needs to be found, booked, managed and chased separately.

Working with a team that handles plumbing alongside renovation, carpentry and property maintenance work simplifies this considerably. One point of contact, one team that understands the full scope of the job and one business accountable for the outcome.

Visit thisandthat.com.au to find out more about what we do across Perth, request a quote here or call 0487 606 491 to talk through your plumbing needs.