How do you find a hidden water leak without digging up floors?

We use specialist non-destructive equipment including acoustic listening devices, thermal imaging cameras and moisture meters. These allow us to pinpoint the source of a hidden leak behind walls, under floors or beneath concrete without unnecessary damage to your property. We only open up the area we need to access once the leak location is confirmed.

What are the signs I might have a hidden leak?

Common signs include unexplained increases in your water bill, damp patches on walls or ceilings, the sound of running water when everything is turned off, or a drop in water pressure that has no obvious cause. Mould or musty smells in a room can also indicate a slow, ongoing leak. If you notice any of these, it's worth calling us for an inspection.

Can a small leak cause serious damage if left?

Yes. Even a slow drip can cause significant structural damage over time, including rot, mould, compromised plasterwork and, in the worst cases, weakened joists or flooring. The sooner a leak is identified and repaired the less damage it causes and the lower the cost of putting things right.

Do you repair the leak as well as detect it?

Yes. We locate the leak, carry out the repair, and then test to confirm the leak has been fully resolved before we leave. You won't need to organise a separate plumber to fix what we find.

Will my insurer accept a leak detection report?

Most insurers will accept a written report from a qualified plumber detailing the location, cause and repair of a leak. We can provide full documentation of the detection and repair work carried out, which can support a claim for any resulting damage. We recommend contacting your insurer before work begins if you plan to claim.

Leak Detection in Kingston upon Thames

Accurate, non-destructive leak detection in Kingston upon Thames — we trace hidden leaks quickly to save you time, water and money.

5.0 · 73 verified reviews

Clear & Upfront Pricing
24/7 Callouts, 365 Days A Year
Trusted Local Business
Gas Safe Registered Installers
£5,000,000 Public Liability Insurance

0203 886 3454

Kingston Plumbers 247 engineer using leak detection equipment in Kingston upon Thames

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Accurate Leak Detection in Kingston upon Thames

Hidden water leaks can cause serious damage long before you spot them — damp patches, peeling paint, a musty smell, unexplained rises in your water bill, or a boiler that keeps losing pressure. Kingston Plumbers 247 specialise in tracing leaks quickly and accurately across Kingston upon Thames and the surrounding KT1, KT2, KT6, KT3, KT5, KT9 and TW10 areas, so the problem can be fixed before it gets worse.

Finding the exact source of a leak takes experience and the right approach. Rather than tearing up floors and walls on guesswork, we use careful, non-invasive methods to locate the leak precisely. That means less mess, less disruption to your home and a repair that's targeted where it's actually needed — which usually keeps costs down too.

Leak detection in Kingston upon Thames needs a careful eye because older homes, converted flats and modern extensions can all hide pipework in different places, and hard water can make fittings fail sooner.

Whether the leak is on a heating pipe, a concealed supply pipe or beneath a bathroom floor, our Gas Safe registered engineers will find it and put it right. We'll keep you informed throughout and make sure everything is watertight before we leave. For leaks that can't wait, we're available 24/7.

Call 0203 886 3454

Kingston Plumbers 247 engineer using a thermal imaging camera for leak detection in Kingston upon Thames

Our Leak Detection Process

Report the signs
Damp patches, rising water bills, low pressure or the sound of running water — tell us what you’ve noticed.
Non-invasive investigation
We trace the leak accurately, minimising disruption and avoiding unnecessary damage to floors and walls.
Pinpoint the source
We confirm exactly where the leak is coming from so the repair can be targeted and cost-effective.
Repair & reassure
We carry out the repair and check the system is watertight, keeping you informed at every stage.

Leak detection problems we fix across Kingston

If you need a plumber in Kingston to track down a leak quickly, we help homeowners and landlords across KT1 to KT9. From Victorian terraces in Norbiton to riverside flats near the Thames, our leak detection work is designed to find the source without unnecessary disruption.

Hidden Leak Under Floor

A leak under floorboards often shows up as a cold patch, warped timber or an unexplained rise in bills. Our engineer uses targeted testing to locate the leak before lifting anything, which keeps mess and damage to a minimum.

Water Meter Still Running

If the meter is ticking over when every tap is off, water is escaping somewhere on the system. We isolate sections, pressure test the pipework and inspect fittings to narrow it down fast, whether the issue is in a Surbiton semi or a flat in Kingston.

Damp Patches On Walls

Damp patches can come from a slow leak inside the wall, a failed joint or pipework hidden behind plaster. We check moisture patterns, test the likely pipe runs and identify the source so the repair tackles the cause, not just the stain.

Leak Through Ceiling

Water staining on the ceiling often means a leak from the bathroom, heating pipework or a flat above. We trace the route of the water carefully, then confirm the source with pressure testing and inspection so you know exactly what needs fixing.

Thermal And Acoustic Detection

Thermal imaging helps us spot temperature changes behind walls and floors, while acoustic equipment picks up the sound of water escaping under pressure. Used together, these methods let us find hidden leaks in Kingston homes with far less guesswork and disruption.

Mains Pipe Leak

A mains supply pipe leak can waste a lot of water and cause low pressure, soggy ground or a sudden jump in your bill. We test the incoming supply, pinpoint the burst or split, and advise on the most practical repair for your property.

Expert Advice

“Leak detection in Kingston upon Thames needs patience, especially in homes where pipes have been altered over time. I use a methodical approach so I can find the source without opening up more of the property than necessary.”

AaronPlumbing & Drainage Engineer15 years’ experience

Frequently Asked Questions

: We use specialist non-destructive equipment including acoustic listening devices, thermal imaging cameras and moisture meters. These allow us to pinpoint the source of a hidden leak behind walls, under floors or beneath concrete without unnecessary damage to your property. We only open up the area we need to access once the leak location is confirmed.
: Common signs include unexplained increases in your water bill, damp patches on walls or ceilings, the sound of running water when everything is turned off, or a drop in water pressure that has no obvious cause. Mould or musty smells in a room can also indicate a slow, ongoing leak. If you notice any of these, it's worth calling us for an inspection.
: Yes. Even a slow drip can cause significant structural damage over time, including rot, mould, compromised plasterwork and, in the worst cases, weakened joists or flooring. The sooner a leak is identified and repaired the less damage it causes and the lower the cost of putting things right.
: Yes. We locate the leak, carry out the repair, and then test to confirm the leak has been fully resolved before we leave. You won't need to organise a separate plumber to fix what we find.
: Most insurers will accept a written report from a qualified plumber detailing the location, cause and repair of a leak. We can provide full documentation of the detection and repair work carried out, which can support a claim for any resulting damage. We recommend contacting your insurer before work begins if you plan to claim.