Speak to a Specialist
Speak to a Specialist
Hampstead · NW3, NW5, NW6

Leak Detection in Hampstead

Non-destructive water leak detection across Hampstead, tracing hidden leaks with thermal imaging, acoustic sensors and tracer gas, then drying and treating the damage before it becomes mould.

★★★★★ 5.0 from 22 Google reviews
Quick answer: If you have a suspected water leak at a property in Hampstead, our specialists trace the source without tearing the place apart, using thermal, acoustic and tracer-gas methods. A leak is not over when the water stops. Mould can start within 48 hours, so we find the source, dry the structure and treat any mould, all with one company. We confirm the price on a written quote once we understand the problem. Call 020 3051 8478, and if it is urgent, say so when you call.

Damp, mould & leak services in Hampstead

Hampstead's housing stock ranges from grand Victorian and Edwardian villas around Frognal and the Village to converted mansion blocks in Swiss Cottage and Belsize Park, plus numerous basement conversions and rear extensions. This mix of ageing brickwork, subdivided flats and modern additions bolted onto period structures creates multiple points where hidden water can enter or travel undetected between floors.

Leak Detection

Trace hidden water leaks without unnecessary damage using thermal, acoustic and tracer-gas methods. Leak detection →

Structural Drying

Dry walls, floors and voids after a leak or flood with monitored dehumidifiers, to completion. Structural drying →

Mould Treatment

Treat and prevent the mould that follows water damage, dealing with the moisture source first. Mould treatment →

Damp, Mould and Water Damage Assessment

One visit that tells rising damp, penetrating damp and condensation apart and finds what is feeding any mould, so the right repair is done once. About the Assessment →

Areas of Hampstead we cover

We attend leaks right across Hampstead and its neighbourhoods, including:

Common leaks in Hampstead homes

Flats converted from period houses

Many Hampstead houses around Frognal, South End Green and Belsize Park were split into flats decades ago, often with bathrooms stacked directly above neighbouring units. Failed shower trays, cracked tanking or old waste pipework can let water travel through joists and ceilings largely unseen, surfacing as staining or a damp patch in the flat below long after the leak began.

Flat roof extensions and rear additions

Rear kitchen extensions and loft additions are common across Hampstead's Victorian terraces and semi-detached houses, and many rely on flat roofs with felt, asphalt or GRP coverings. Once these membranes age, crack or come away at the joints, rainwater can seep into ceiling voids and wall cavities for months before a ceiling stain or musty smell gives away the problem.

Basement conversions and perished seals

Basement and lower-ground-floor conversions are widespread in Hampstead's larger period properties, adding bathrooms, plant rooms and tanked living space below original foundations. Perished door and window seals, ageing pipe collars and worn tanking membranes in these spaces allow gradual escape of water into surrounding masonry, often going unnoticed until skirting boards, plaster or flooring begin to fail.

What our customers say

Excellent
Rated 5.0 / 5 based on 22 reviews on
Tip: If your water meter ticks over with every tap off, or a wall or ceiling stays damp with no obvious cause, there is a hidden leak. Finding it early is far cheaper than repairing the mould and damage it leaves behind.

Suspect a leak in Hampstead?

Call 020 3051 8478 or send us the details and we will agree a date with you. If it is urgent, say so when you call.

Frequently asked questions

How much does leak detection in Hampstead cost?
We confirm the price on a written quote once we understand the problem. If it is urgent, call us on 020 3051 8478. You get a written, insurance-ready report identifying the source.
Will you damage my home finding the leak?
No. We use non-destructive thermal imaging, acoustic sensors and tracer gas to pinpoint the leak before any access is opened up, so repairs are targeted.
Do you fix the damage after finding the leak?
Yes. A leak is not over when the water stops. We dry the structure with monitored dehumidifiers and treat any mould, so it is handled end to end.
Do you provide reports for insurance claims?
Yes. Every leak investigation comes with a clear written report including the cause, photographic evidence and recommendations, formatted for insurers and managing agents.

More help in Hampstead

Damp, Mould and Water Damage Assessment

Find the real cause of damp, mould or a leak at your Hampstead property, with a written report and photographs. Assessment in Hampstead →

Structural drying

Dry walls, floors and voids in Hampstead after a leak or flood, monitored to completion. Structural drying in Hampstead →

Mould removal

Treat black mould in your Hampstead property and fix the moisture source behind it. Mould removal in Hampstead →

See what you get before you speak to us: read a real report from start to finish.