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Islington · N1, N4, N5, N7, N19, EC1

Leak Detection in Islington

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

Call 020 3051 8478Report a leak
★★★★★ 5.0 from 20 Google reviews · trusted by Islington homeowners, landlords & property managers
Quick answer: If you have a suspected water leak at a property in Islington, 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 £800 to £1500 depending on scale. Call 020 3051 8478.
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Leak to dry to treated, one company in Islington

Islington's housing stock is dominated by Victorian and Georgian terraces, many converted into flats, alongside ex-local authority blocks around Caledonian Road and Finsbury Park and newer developments near Angel and King's Cross. This mix of ageing conversions with shared pipework and ground-floor flats sitting beneath multiple upstairs bathrooms creates frequent conditions for hidden escapes of water and slow leaks between flats.

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 Islington we cover

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

Common leaks in Islington homes

Converted terraces with shared plumbing risers

Many Barnsbury and Canonbury terraces were split into flats decades ago, often with plumbing risers boxed into party walls shared between neighbouring properties. A failed joint or perished washer inside this concealed run can leak for weeks, tracking along joists before staining a ceiling far from the actual source, making these escapes of water especially hard to trace without specialist detection.

Flat roofs on extensions and mansard conversions

Rear extensions and mansard loft conversions are common across Islington's period stock, and their flat or shallow-pitched roofs rely on felt or asphalt coverings that perish with age and weather exposure. Once the membrane splits or flashing lifts around a parapet, rainwater can enter gradually, soaking insulation and timber for a long time before any damp patch becomes visible on ceilings below.

Bathrooms leaking into flats below in converted buildings

In subdivided Victorian houses around Highbury and Holloway, bathrooms are frequently stacked directly above another leaseholder's flat with only original floorboards between them. Perished shower seals, cracked tray joints or a failed waste pipe connection let water seep through, often undetected until it appears as a stain or drip in the ceiling of the flat below, by which point saturation may be extensive.

What our customers say

Excellent
Rated 5.0 / 5 based on 20 reviews on

Was lovely working with the team and they did a fantastic and quick job to get all the mould out of my bathroom. Very much looking forward to working with them on other projects around my house!! Thank you for everything and shout out to Karim for being so sweet!

Mariama✓ a month ago

Omg what brilliant service, excellent the cleaner did a very good job was efficient he took his time and cleaned everything, highly recommend S. Bessim…

Susan Bessim✓ 2 months ago

Amazing company! They responding very quickly. They have a low prices as well, not crazy quotes like from others. Job has been done very quickly and team was very professional. I will use them in the future if I needed. Thanks!

Patryk Gutowski✓ 2 months ago

Really impressed with the whole experience. The surveyor did a proper, thorough job and didn't rush anything, they got to the root cause of the damp and explained it all clearly. Detailed, professional and reassuring from start to finish. Couldn't recommend them more highly.

Keiryn Raf✓ 3 months ago

Great experience with this company from start to finish. They were professional, knowledgeable, and explained everything clearly without any pressure. The work was carried out efficiently and to a high standard, and we’ve already noticed a big improvement. It’s reassuring to deal with a team that genuinely cares about doing the job properly. Highly recommend to anyone dealing with damp or mould issues.

Dowan Barak✓ 5 months ago
See all reviews on Google
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 Islington?

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

Frequently asked questions

How much does leak detection in Islington cost?
Leak detection is £800 to £1500 depending on the scale and access. 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 Islington

Damp and mould survey

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

Structural drying

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

Mould removal

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