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 Richmond

Accurate, non-destructive leak detection in Richmond — 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 3037

Richmond Plumbers 247 engineer using leak detection equipment in Richmond

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Accurate Leak Detection in Richmond

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. Richmond Plumbers 247 specialise in tracing leaks quickly and accurately across Richmond and the surrounding TW9, SW14, TW1, TW10, TW11, TW7 and SW13 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 Richmond needs a careful eye, because hard water, older pipework and hidden runs under floors can turn a small leak into a bigger issue if it is not found quickly.

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 3037

Richmond Plumbers 247 engineer using a thermal imaging camera for leak detection in Richmond

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 resolve across Richmond

If you need a plumber in Richmond for a leak that is hard to trace, we can help. Richmond Plumbers 247 finds hidden leaks in homes across TW9, Kew, East Sheen and nearby areas, with careful diagnostics that suit older townhouses and modern flats alike.

Hidden Floor Leak

A hidden leak under the floor can come from a cracked pipe, loose joint or corrosion in older pipework beneath timber boards or concrete. Our engineer checks pressure, isolates sections of the system and uses the least disruptive method to locate the leak before any repairs begin.

Water Meter Running

If the water meter is still running when every tap is off, there is often a concealed leak somewhere on the supply or internal pipework. We test the system carefully, confirm whether the loss is inside or outside the property, then trace the source without unnecessary guesswork.

Damp Wall Patches

Damp patches on walls often point to a slow leak behind plaster, especially in Georgian and Victorian homes where pipework may have been altered over time. We inspect the affected area, look for moisture patterns and identify whether the issue is from a pipe, fitting or appliance connection.

Ceiling Leak Signs

A leak through the ceiling may start from bathroom pipework, an overflow, or a faulty connection in the flat above. We trace the water path, inspect adjoining rooms and ceilings, and work out whether the problem is from plumbing, heating or drainage before recommending the next step.

Thermal Leak Detection

Thermal imaging and acoustic leak detection let us find hidden water loss without lifting every floorboard or opening up finished walls. We use cameras and listening equipment together, which is especially useful in riverside homes and mansion flats where preserving the fabric of the property matters.

Mains Pipe Leak

A mains supply pipe leak can show up as low pressure, a rising bill or wet ground outside, even when no internal leak is visible. We test the incoming supply, listen for leakage along the run and locate the fault so the repair can be planned properly, whether you are in TW9 or Teddington.

Expert Advice

“Leak detection in Richmond often means working carefully in older homes where pipework has been altered over time and the source is not obvious. I use a methodical approach so we can find the leak with as little disruption as possible.”

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.