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From Olney down to the Chalfonts

Leak detection in Buckinghamshire and Milton Keynes

In newer Milton Keynes homes, a leak usually first shows on the boiler gauge, which keeps dropping. In older Chiltern houses it is more often a damp wall beside a bathroom or a letter about the meter. We trace it from the surface.

Heating leaks found in solid floors

Bathroom leaks tested part by part

Long buried supply pipes traced

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Buckinghamshire runs from the Great Ouse at Olney, through Milton Keynes, to the chalk hills of the Chilterns. Milton Keynes was built as a planned new town and still grows at its edges. Many of its houses carry their heating pipes inside a solid ground floor, so a falling boiler gauge often gives the leak away before any damp.

Wendover and Princes Risborough sit at the foot of the Chilterns, with Chesham, Amersham Old Town, the Chalfonts and Studley Green in the hills and valleys beyond. Many older houses there have been altered: a bathroom where a bedroom was, a kitchen pushed out onto a new floor. Their leaks tend to show as damp on a wall or ceiling.

Between the hills and Milton Keynes lies farmland, with villages such as Aston Abbotts where the meter may sit at the lane, far from the kitchen tap. No one test suits all three kinds of home, so we start with a phone call. Our engineer Charlie has worked across the area for over 15 years.

Detached brick homes on a hillside road with autumn beech woods behind, typical of the Chilterns in Buckinghamshire Cream rendered thatched cottages behind an old garden wall on a misty autumn morning, typical of a Buckinghamshire village

Typical Buckinghamshire jobs, from Milton Keynes to the Chilterns

Gas pipe under a workshop yard

The property

A workshop unit on an industrial estate outside Milton Keynes. A buried gas pipe crosses its tarmac yard from the meter box to a heater.

The problem

Staff noticed a gas smell outdoors. Once the gas emergency service had made it safe, the firm needed the leak on the buried pipe located.

How we found it

With the pipe isolated, each section was pressure tested and the yard length failed. Tracer gas put into that length was detected near the loading door.

The outcome

We marked the spot and photographed it for the firm's gas engineer to take on. Our written report followed once the visit was paid.

Damp kitchen wall beside a downstairs bathroom

The property

An older semi in a Chiltern valley town, its bathroom added downstairs at the back, with pipes inside the wall shared with the kitchen.

The problem

Kitchen paint on that wall kept bubbling. Rising damp had been blamed, yet the plaster was wetter at waist height than down by the skirting.

How we found it

Moisture readings peaked opposite the bath taps. With the hot tap on, the thermal camera picked out a warm streak, and only the hot pipe lost pressure when tested.

The outcome

The spot was marked and photographed on the kitchen side, so the bathroom tiles could stay on. The repair, quoted separately, was carried out on the visit.

Heating pressure lost in a converted barn

The property

A converted barn in the farmland north of the Chilterns, with underfloor heating in a new concrete floor. Two buried pipes carry hot water from the boiler to the heating loops in that floor.

The problem

The owners were topping up the boiler every few days, yet nothing was damp. Their boiler engineer found the boiler sound and said the heating was losing water.

How we found it

Each loop held pressure when tested alone, so the loss was on the two boiler pipes. Once they were warm, the thermal camera picked out a growing warm area near the front door, and tracer gas rose through the floor there.

The outcome

The point was marked on the floor and photographed. The owners had their own builder open the floor at that mark.

What to look for, from Milton Keynes to the hills

Topping up the boiler again and again

Refilling the heating every week or so means water is escaping, often from a pipe buried in a solid floor where no drip can show.

Bubbling paint beside a bathroom

Damp that sits higher up a wall than rising damp would reach, beside or under a bathroom, often points to a pipe or fitting.

A meter that never rests

With nothing running indoors, the meter should sit still. If its figures keep creeping up, some pipe beyond it is losing water, indoors or out.

Pressure fading where the pipe runs far

On farms and larger plots, a leak on a long underground pipe can leave the far taps weak while the meter keeps turning.

Two checks you can make, then ours

1

Check the meter and the gauge

With every tap off, look at the meter: is it still moving? If you top up the boiler, note how often and whether sealant was ever added. Tell us both when you ring.

2

Split the pipework on the day

We close the stop tap to see whether the meter stops, and check whether the heating holds pressure by itself. The result shows which pipe to search before any camera or microphone comes out.

3

A mark only when two tests agree

Warm pipes suit the thermal camera; buried supply pipes suit the ground microphone. Whichever finds the leak, we mark and photograph it only once a second method agrees.

Buckinghamshire households and owners we can help

Owners of newer homes losing boiler pressure

The gauge drops every week or two and nothing looks wet. We shut off each part of the heating in turn to find the length that loses water, then trace it with the pipes warm.

Owners told the meter never stops

The water company says your meter records flow day and night. Before anyone digs, a stop tap test tells us whether the water escapes indoors or from the buried pipe outside.

Landlords, agents and firms with premises

From business units around Milton Keynes to lets in Chesham, the owner is often elsewhere on the day. Say whose keys we use and who is paying, since a business booking may need payment first.

Three tests suited to Buckinghamshire homes

Pressure testing

We seal off one stretch of pipe and leave it under pressure. If the gauge drops, that stretch leaks. It splits heating circuits, and works on gas pipework already made safe.

Thermal imaging

When heating or hot water pipes run warm, escaping water warms the floor or wall around the leak. The camera shows that heat on the surface of tiles, plaster or concrete; a cold supply leak usually needs another method.

Acoustic listening

A supply pipe leaking under pressure makes a noise. We listen along its route with a ground microphone and mark where the sound peaks. Old metal carries it well; quiet plastic may need tracer gas.

Anglian Water in the north, your bill elsewhere

Milton Keynes, Bletchley, Newport Pagnell, Olney and Woburn Sands are in Anglian Water's area. Further south, the Chiltern towns and villages are not all served by one company, so check your bill. A leak letter usually means your meter showed water passing at all hours. The company's pipe ends at your meter or boundary; beyond that it is usually the owner's, and on a farm that can mean a long run.

When the report arrives, and what it is for

Check your policy wording first: trace and access may or may not be included, and your insurer may want to approve us before the visit. Our written report, with the location, methods, readings and photographs, reaches you after the visit is paid in full. The marked spot shows where to start opening up; the claim is your insurer's call.

Common questions in Buckinghamshire

We cover the county from Olney and Milton Keynes in the north to Chesham and the Chalfonts in the south. Ring with the village name and the problem you have spotted, and we will say straight away whether we can come.

If you can smell gas, ring the gas emergency service first. Once the gas emergency service has made it safe, we can pressure test the isolated pipework in sections and pin the leak down with tracer gas. The marked, photographed spot is then handed to your own gas engineer.

That stretch is the buried pipe we may have to search. A few metres under a front garden is quick to listen along; a run across a paddock takes longer and may need tracer gas. It decides the method and whether to allow a half or a full day.

The price is agreed before booking, over the phone or in an email, for up to half a day or a day of searching. It stays put if we find the leak fast. Materials, tolls or parking are charged at what they cost us, and repairs are priced on their own.

Not when it loses under half a litre a minute, or 30 litres an hour. No find, no fee on home water leaks also excludes a leak so small it cannot be found without opening up, and one that comes and goes. Full conditions are on our terms page.

Leak in Buckinghamshire? Talk it through first

Ring 07700 102 008, 8am to 8pm, every day. We can usually book a visit within 24 to 48 hours.