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Dollis Hill · NW2, NW10

Leak Detection in Dollis Hill

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

★★★★★ 5.0 from 21 Google reviews · trusted by Dollis Hill homeowners, landlords & property managers
Quick answer: If you have a suspected water leak at a property in Dollis Hill, 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. Leak detection is a fixed £650. Tell us when you need us and we will fit the visit around you as closely as we can. If it is urgent, call 020 3051 8478.

Leak to dry to treated, one company in Dollis Hill

Dollis Hill is largely made up of 1920s and 1930s semi-detached and terraced houses built around Gladstone Park, many since extended with flat-roofed kitchens and side-return bathrooms, alongside interwar houses split into flats near Dudden Hill and Willesden Green. This mix of ageing original plumbing, bolted-on extensions and multi-occupancy conversions creates repeated opportunities for hidden leaks to develop unnoticed.

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 Investigation

Tell rising damp, penetrating damp and condensation apart, so the right repair is done once. Damp investigation →

Areas of Dollis Hill we cover

We attend leaks right across Dollis Hill and its neighbourhoods, including:

Common leaks in Dollis Hill homes

Flat roof extensions leaking into ceilings below

Many Dollis Hill semis along streets near Gladstone Park have had rear kitchens or bathrooms extended under flat roofs, a common feature of 1930s housing stock. Felt or asphalt coverings degrade with age and weather, allowing water to track along joists before it ever shows as a stain. Owners often notice a damp patch weeks after the covering has actually failed.

Upstairs bathrooms leaking through to rooms below

Where original box rooms in Dollis Hill's semis and terraces have been converted into additional bathrooms, shower trays, waste pipes and tile grout take on more use than they were designed for. Failures at these joints send water into the floor void and down into ceilings below, often building up gradually behind plasterboard before a visible mark appears downstairs.

Perished seals and pipework in converted flats

A number of larger houses in Dollis Hill and neighbouring Willesden Green have been divided into flats, meaning older shared plumbing runs behind multiple sets of walls and floors. Perished washer seals, ageing compression joints and ill-fitting waste connections can allow a slow escape of water that affects a neighbouring flat before the leak's actual source is identified.

What our customers say

Excellent
Rated 5.0 / 5 based on 21 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 Dollis Hill?

Tell us the date you would like. Next-day visits are possible for urgent leaks: call the team on 020 3051 8478 and we will confirm a time.

Book online

Frequently asked questions

How much does leak detection in Dollis Hill cost?
Leak detection is a fixed £650. Tell us when you need us and we will fit the visit around you as closely as we can. 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 Dollis Hill

Damp and mould survey

Find the real cause of damp, mould or a leak in a Dollis Hill property, with a written report and photographs. Damp survey in Dollis Hill →

Structural drying

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

Mould removal

Treat black mould in a Dollis Hill property and fix the moisture source behind it. Mould removal in Dollis Hill →

See what you get before you book: read a real survey report from start to finish.