Leak Detection Perth

Leak Detection Specialists for Homes & Businesses

Expand Plumbing & Gas are the trusted choice for leak detection Perth families and businesses rely on. As a family-owned, WA-licensed plumbing company, we’re available 24/7 to locate and fix hidden leaks quickly. Using advanced, non-invasive methods, we protect your property and save you money on costly water bills and repairs.

Rating + “24/7 | WA-licensed | Family-owned

Why Professional
Leak Detection Matters

Hidden leaks can cause serious problems if left untreated — from mould and rising water bills to structural damage that costs thousands to repair. Our expert team provides reliable leak detection services Perth locals trust. With advanced technology and years of experience, we detect leaks early and help prevent long-term damage to your home or business.

Using our specialised, non-invasive equipment makes the detection process easier and faster, reducing potential damage to your property.

Signs You May Have a Hidden Water Leak

Common signs you may need professional leak detection include:

Think you have a leak? Call our Perth plumbers today.

Signs You May Have a Hidden Water Leak

Our Leak Detection Process

Our plumbers use the latest equipment to find leaks with precision and minimal disruption. With acoustic sensors, thermal imaging cameras and tracer gas testing, we can pinpoint hidden leaks behind walls, under floors, and underground — all without unnecessary digging or damage.

Detect

Pinpoint

Explain

Why Choose
Expand Plumbing & Gas?

Perth families and businesses choose us because we provide more than just plumbing — we deliver peace of mind.

WA-licensed & fully insured plumbers

Family-owned Perth business

25

Over 25 years of local experience

Water Leak Detection

Water Leak Detection Perth

Hidden pipe leaks behind walls, ceilings and floors. We pinpoint bursts and slow leaks with non-destructive testing, then provide a clear repair plan. Water Leak Detection Perth

Roof & Ceiling Leak Detection

Roof & Ceiling Leak Detection

Storm ingress, failed flashing, valley faults, skylight penetrations—we find the entry point and stop repeat damage. We utilise thermal imaging and drone technology for accurate, non-destructive identification of leaks on all roof types. Roof Leak Detection Perth

Shower & Bathroom Leak Detection

Shower & Bathroom Leak Detection

Membranes, wastes, mixer bodies and cracked grout—our testing isolates the fault before tiles come up. Shower Leak Detection Perth

Underground & External Leak Detection

Underground & External Leak Detection

Garden/retic lines, mains from the meter, and external pipework. Non-invasive methods to locate leaks without unnecessary digging. Underground & External Leak Detection

Gas Leak Detection (Licensed)

Make-safe comes first. We trace, isolate and repair gas leaks to meet WA compliance. Gas Leak Detection

H3: Fire Leak Detection

Fire Leak Detection

Fire mains, hydrants, hose reels and sprinkler lines. We locate losses, identify faulty sections and advise make-safe steps to keep systems operational. Fire Leak Detection

Advanced Leak Detection Technology

At Expand Plumbing & Gas, we invest in industry-leading technology to deliver the most accurate results:

H2: Advanced Leak Detection Technology

Commercial & Strata Leak Detection in Perth

Leaks in commercial and strata properties can disrupt operations and waste thousands of litres of water. Our team provides commercial leak detection services in Perth for facility managers, body corporates and industrial clients to provide accurate detection and proactive maintenance, reducing costs and downtime.

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Book Leak Detection
in Perth – Available 24/7

Don’t let a hidden leak turn into an expensive repair. Call the trusted team for leak detection Perth and get help anytime, day or night.

Leak Detection FAQs

How do I know if I need professional leak detection?

If you’ve noticed damp walls, mould growth, bubbling paint, or unexplained increases in your water bill, it’s time to call a leak detection specialist. Our Perth plumbers use advanced tools to confirm and locate hidden leaks.

Yes. We use non-invasive equipment such as acoustic sensors, tracer gas, and thermal imaging to pinpoint leaks behind walls, under floors, and underground — with minimal disruption.

This also means we aren’t creating unnecessary damage across the detection and repair process. We pinpoint the exact location to ensure any repair work is targeted and keeps your property as intact as possible.

Absolutely. We work with homeowners, landlords, strata managers, and commercial property owners to detect and repair leaks across all property types.
Our team offers 24/7 emergency service. For urgent cases, we can usually be on-site the same day to detect and resolve the problem.

Costs vary based on the leak’s complexity, but we always provide a clear quote after inspection. Our non-invasive technology helps minimize damage, saving you money on repairs.

In many cases, especially with burst pipes your insurance may cover the detection costs. We recommend confirming this with your policy provider.

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