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Mayfair · W1J, W1K, W1S

Leak Detection in Mayfair

Non-destructive water leak detection across Mayfair, 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
★★★★★ 4.9 from 19 Google reviews · trusted by Mayfair homeowners, landlords & property managers
Quick answer: If you have a suspected water leak at a property in Mayfair, 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 Mayfair

Mayfair's housing stock is dominated by grand Georgian and Victorian townhouses, many converted into flats above ground-floor shops and offices, alongside high-end mansion blocks and discreet mews properties. This mix of period plumbing, multiple ownership within single buildings, and converted basements means hidden escapes of water travel between flats and commercial units before anyone notices.

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 Mayfair we cover

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

Common leaks in Mayfair homes

Converted Georgian townhouses and shared pipework

Many Mayfair townhouses were split into flats decades ago, leaving original supply and waste pipes buried behind later plasterwork and cornicing. A failed joint or perished seal on an upper floor can travel through party walls and ceilings, showing up as a stain or damp patch in a completely different flat below, delaying discovery and allowing damage to spread unseen for weeks.

Flat roofs above mansion blocks and mews conversions

Mayfair's mansion blocks and converted mews buildings often carry flat or low-pitch roofs above extensions, orangeries and rear additions. Ageing membranes and perished flashings around chimneys or roof lights let water seep in slowly, tracking along joists before it appears as a ceiling stain. Because these roofs are rarely visible from the street, deterioration often goes unnoticed until internal damage is already extensive.

En suite bathrooms above period reception rooms

Renovated Mayfair properties frequently squeeze en suite bathrooms into former dressing rooms or box bedrooms above ornate reception rooms and cornicing. Failed shower trays, cracked tanking or perished sealant around baths allow water to escape through original timber floors, reaching decorative plaster ceilings beneath and threatening period features that are costly and slow to restore once soaked.

What our customers say

★★★★★

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, via Google

★★★★★

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, via Google

★★★★★

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, via 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 Mayfair?

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

Frequently asked questions

How much does leak detection in Mayfair 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 Mayfair

Damp and mould survey

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

Mould removal

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