Fully Licensed Plumbers
Every leak detection job is carried out by fully licensed, insured tradespeople you can trust in your home.
For twenty years, Underwood Plumbing & Drains has been tracking down hidden leaks across Underwood and the wider Logan region, from timber-stump homes near Daisy Hill Conservation Park to newer builds closer to the Pacific Motorway. Our licensed plumbers combine acoustic listening equipment, thermal imaging and non-invasive tracer methods to pinpoint a leak before a single tile or slab is disturbed. We've taken on plenty of jobs where another trade wanted to dig first and ask questions later, proving there's usually a smarter way to find the source of a leak. That local knowledge, paired with genuine plumbing experience, means Underwood homeowners get an accurate answer rather than a guess.
Every leak detection job is carried out by fully licensed, insured tradespeople you can trust in your home.
We've built our name in Underwood on honest advice and jobs done right the first time.
Every repair following a leak locate is backed by our lifetime workmanship guarantee.
Our team understands the plumbing quirks common to both older and newer Underwood homes.
Underwood Plumbing & Drains specialises in locating hidden water leaks throughout Underwood and the wider Logan area, using acoustic sensors, thermal cameras and non-invasive tracer gas to find leaks under slabs, in walls and along underground mains. Rather than sending a plumber to guess and chase noises with a jackhammer, we mark the exact leak location first, then repair only what needs fixing. Whether it's a spinning water meter, a damp patch on the lawn or an unexplained spike in your water bill, our team has the equipment and experience to get you an answer.
If you've noticed a musty smell in a bedroom wall, warm patches on your slab, or a water meter ticking over when every tap is off, don't leave the problem to worsen. Call Underwood Plumbing & Drains on {{phone_number}} and one of our Underwood-based plumbers will talk you through what's likely happening and book in a leak detection visit. We serve homes and businesses right across Underwood, Springwood, Rochedale South and the surrounding Logan suburbs, so help is never far away.
A hidden water leak rarely announces itself with a burst pipe. More often it shows up as a slowly climbing water bill, a soft or spongy patch in the lawn, or a faint hiss behind a wall you can't quite place. Left alone, that slow drip can undermine a slab, rot timber framing or feed mould growth long before it becomes visible.
Older homes in Underwood with ageing copper pipework are particularly prone to pinhole leaks, where corrosion eats a tiny hole through the pipe wall and lets water seep quietly into a wall cavity or under the flooring. Newer homes can be affected too, with poly and PEX fittings, shower waterproofing and in-slab plumbing all capable of failing without warning.
If your water meter keeps spinning with every tap closed, or you've noticed a warm spot on the tiles that shouldn't be there, it's worth having it checked before the damage spreads. Our leak detection service is built to find the exact source, whether it's a plumbing leak, a stormwater issue or seepage from the sewer line, so the right fix goes ahead the first time.
Underwood Plumbing & Drains takes a methodical approach to leak detection in Underwood, starting with a conversation about your water usage, any damp patches or noises you've noticed, and a check of your water meter. From there, our plumbers bring in the right combination of technology to confirm exactly where the leak sits before any repair work begins.
Once the leak is marked, we'll talk you through the repair options, whether that's a patch repair, a section of copper replacement or a broader repipe, so you can make an informed decision before any work starts.
Leak detection often goes hand in hand with other plumbing and drainage work, so our Underwood team is equipped to handle the full job from diagnosis through to repair. Here are a few related services worth a look.
Finding a hidden leak shouldn't mean pulling up floors or knocking holes in walls on a hunch. Our process is built to narrow down the likely area first, confirm the exact location with proven technology, and then hand you a clear plan before any repair work begins. It's a method we've refined over twenty years of plumbing work across Logan and Brisbane homes.
We review your water bills, meter readings and any symptoms you've noticed to narrow down where the leak likely sits.
Using acoustic sensors, thermal cameras or tracer gas, we mark the exact point of the leak before opening anything up.
You'll receive a straightforward explanation of what we found, with an upfront fixed price for the repair ahead.
Underwood Plumbing & Drains is a locally run plumbing business servicing Underwood and neighbouring Logan suburbs including Springwood, Rochedale South, Daisy Hill and Kingston, as well as the wider Gold Coast and Brisbane region. Wherever you're located, our team can get to your property and start tracking down the source of your leak.
We built Underwood Plumbing & Drains around straightforward, honest plumbing, and that shows in the way we handle every leak detection job.
You'll know the cost of your leak detection and repair before we start, with no hidden extras added later.
Our team treats your home with respect, cleaning up thoroughly once the job is done.
Every repair we carry out following a leak locate is backed by our workmanship guarantee for lasting peace of mind.
Take a look at the reviews and testimonials from Underwood homeowners and business owners who've had Underwood Plumbing & Drains's team track down and fix their hidden leaks.
A hidden leak won't fix itself, and the longer it's left, the more it can cost in water, damage and stress. If you've noticed a damp patch, a musty smell or a water bill that doesn't add up, Underwood Plumbing & Drains is ready to help. Our Underwood-based team can talk through what you're seeing and book in a leak detection visit at a time that suits you. Reach out today and let's get your plumbing back on track.
Choosing the right plumber for leak detection matters, since an inaccurate diagnosis can mean unnecessary digging or repeat callouts. Our Underwood team combines local experience with proven detection equipment, so you get an accurate answer and a fair, upfront price for the fix.
We know the plumbing common to both older and newer Underwood homes. That local insight helps us diagnose leaks faster.
Acoustic sensors, thermal cameras and tracer gas let us locate leaks accurately without unnecessary digging. It means less disruption to your home.
Every quote is fixed before work begins, so there are no surprise charges. You'll always know what you're paying for.
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Leak detection can raise plenty of questions, especially when you're not sure what's causing the problem in the first place. Below, our Underwood plumbing team answers some of the questions we hear most often, drawing on years of hands-on leak detection experience.
The most common sign is a water bill that's higher than usual without any obvious change in how much water you're using. Other clues include a patch of lawn that stays damp or unusually green, a musty smell in a particular room, warm spots on tiled floors, or the sound of running water when every tap and appliance is switched off. If your water meter keeps ticking over with everything turned off, that's a fairly strong indication there's a leak somewhere between the meter and your home.
In most cases, yes. We use acoustic listening equipment, thermal imaging and tracer gas to narrow down the exact location of a leak before any digging or demolition happens. This means we can usually mark a precise spot to open up, rather than breaking into multiple areas on a guess. There are occasions where the pipe material or site conditions make detection trickier, but even then our aim is always to disturb as little of your property as possible.
Pinhole leaks typically develop when the inside of an older copper pipe corrodes over time, often due to water chemistry, pipe age or electrolysis where different metals meet. The corrosion eventually eats right through the pipe wall, leaving a tiny hole that lets water seep out slowly. Because the leak is small, it can go unnoticed for a long time, quietly damaging wall linings, flooring or timber framing before it's discovered. Homes with original copper hot water lines are especially prone to this type of leak as the pipework ages.
Yes, we can provide a written leak detection report that includes photos and a clear description of where the leak was found and how it was confirmed. This kind of documentation is often exactly what insurers and restoration companies need to assess a claim and approve repair work. If you suspect a leak may be linked to water damage in your home, it's worth having it professionally located and documented as early as possible.
If every tap, toilet and appliance is switched off and the meter is still moving, water is escaping somewhere between the meter and your property, or within your internal plumbing. This could be a leak in the underground main running to your house, a fitting inside a wall, or even a slow leak from an irrigation line or toilet cistern. An isolation test, where we shut off different sections of your plumbing one at a time, helps narrow down which part of the system is responsible.
A plumbing leak involves the drinking water supply, whether that's a burst pipe, a pinhole in copper, or a failed fitting under a slab. A stormwater leak relates to the pipes that carry rainwater away from your roof and yard, which can seep or overflow if a pipe is cracked or blocked. A sewer leak involves wastewater escaping from the drainage system, often producing a distinct odour. Identifying which system is actually leaking matters, since it determines the right approach and ensures the correct trade or equipment is used to fix it.
Suspect a hidden leak in your Underwood home or business? Don't leave it to guesswork. Our local team is ready to help.
Fill in the form below and one of our plumbers will be in touch. We'll talk through what you're noticing and arrange a leak detection visit.
Underwood Plumbing & Drains is proud to serve Underwood and the surrounding Logan area. Reach out today and let's get to the bottom of your leak.





