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Hanger Lane · W5, NW10

Leak Detection in Hanger Lane

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

★★★★★ 5.0 from 20 Google reviews · trusted by Hanger Lane homeowners, landlords & property managers

Last updated 19 September 2026

Quick answer: If you have a suspected water leak at a property in Hanger Lane, 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, usually carried out within 3 to 5 working days. Urgent same-day or next-day leak detection adds £200 on a weekday, or £300 in the evening, on a Saturday or a Sunday, making it £850 or £950 in total. Call 020 3051 8478.

Leak to dry to treated, one company in Hanger Lane

Hanger Lane's housing mix runs from 1930s Haymills-built semis and detached houses on the Hanger Hill Garden Estate to flat-roofed extensions, converted maisonettes above parades near the gyratory, and 1960s low-rise blocks close to the tube station. This variety of ages and roof types means plumbing runs, flat roof coverings and flat-to-flat waterproofing all age at different rates, raising the risk of hidden leaks.

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 Hanger Lane we cover

We attend leaks right across Hanger Lane and its neighbourhoods, including:

Common leaks in Hanger Lane homes

Flat roof extensions above kitchens and bathrooms

Many Hanger Lane semis gained rear flat roof extensions from the 1960s onwards to extend kitchens or add bathrooms. Felt and older asphalt coverings perish with age, and water can track along joists for months before staining appears on ceilings below, often well away from the original point of entry, making the source hard to pinpoint without moisture mapping.

Converted flats with bathrooms stacked above neighbours

Properties converted into flats along Hanger Lane and near the station often have bathrooms sitting directly above another household's living space. Perished shower seals, cracked tray joints or a failed waste pipe connection can let water escape slowly into the floor void, showing up as damp patches or bulging plaster in the flat below long before the leak itself is noticed.

Ageing plumbing in 1930s Haymills-era houses

The Art Deco semis and detached houses of the Hanger Hill Garden Estate retain original or mid-life pipework in many cases, buried under solid floors or within cavity walls. Corroded joints and split copper pipes cause escape of water that can run undetected beneath screed for weeks, leading to hidden damp, warped flooring and mould before residents spot any obvious sign.

What our customers say

Excellent
Rated 5.0 / 5 based on 20 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 Hanger Lane?

Call 020 3051 8478 or report a leak online. We trace, dry and treat for homeowners, landlords and managing agents across Hanger Lane.

Book online

Frequently asked questions

How much does leak detection in Hanger Lane cost?
Leak detection is a fixed £650, usually carried out within 3 to 5 working days. Urgent same-day or next-day leak detection adds £200 on a weekday, or £300 in the evening, on a Saturday or a Sunday, making it £850 or £950 in total. 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 Hanger Lane

Damp and mould survey

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

Structural drying

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

Mould removal

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