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Radlett · WD7

Damp, Mould & Leak Specialists in Radlett

Non-destructive damp surveys, hidden leak detection and mould investigation across Radlett and the surrounding area, with clear, insurance-ready reports.

Call 020 3051 8478Request a survey
★★★★★ 5.0 from 20 Google reviews · trusted by Radlett homeowners, landlords & property managers
Quick answer: If you have damp, mould or a suspected water leak at a property in Radlett, our specialists carry out a non-destructive survey to find the root cause, then give you a written report and a clear plan to fix it. A full damp and mould survey is a fixed £500. Call 020 3051 8478.
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Damp, mould & leak services in Radlett

Radlett's housing stock ranges from large Edwardian and Victorian detached villas along Watling Street and Loom Lane to 1930s mock-Tudor semis on the Newberries estate, alongside a wave of executive new-builds with basements replacing older bungalows. This mix of solid brick walls, ageing cavity construction and deep basement excavations creates varied conditions for rising damp, cavity failures and tanking leaks.

Leak Detection

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

Damp Investigation

Identify rising damp, penetrating damp and condensation, and tell them apart properly. Damp investigation →

Mould Inspection

Find the moisture source feeding the mould, not just treat the surface. Mould inspection →

Structural Drying

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

Areas of Radlett we cover

We survey properties right across Radlett and its neighbourhoods, including:

Common damp problems in Radlett homes

Solid-wall damp in Watling Street's period villas

Many of Radlett's Edwardian and Victorian detached houses along Watling Street and Loom Lane were built with solid brick walls and shallow or absent damp proof courses. Without a cavity to break moisture transfer, groundwater and driving rain penetrate directly through brickwork and old lime render, leading to rising damp in ground floor rooms and persistent mould behind furniture and skirting boards.

Cavity wall tie failure in 1930s Newberries semis

The mock-Tudor semis and detached homes built around Newberries and Battlers Green in the 1930s used early cavity wall construction with metal ties that corrode over time. Failed or bridged ties allow moisture to cross into the inner leaf, causing damp patches near window reveals and loft eaves, while poorly ventilated original lofts trap condensation that encourages mould growth on timber and insulation.

Basement leaks in Radlett's new-build executive homes

Redevelopment across Radlett has seen older bungalows replaced with large executive houses featuring dug-out basements and lightwells, particularly near Kemp Place and The Warren. Tanking membranes and sump pumps in these basements can fail or be poorly installed, letting groundwater seep through walls and floors, while extensive glazing upstairs traps humidity and produces condensation-driven mould on ceilings and window frames.

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 a damp patch keeps coming back after redecorating, it is almost always a symptom, not the problem. A survey that finds the source first saves paying for the same repair twice.

Book a survey in Radlett

Call 020 3051 8478 or request a survey online. We work with homeowners, landlords and property managers across Radlett. Works are on a 50% upfront, 50% on completion basis.

Frequently asked questions

How much does a damp survey in Radlett cost?
A damp and mould survey is a fixed £500, including the non-destructive investigation and an insurance-ready written report. Leak detection, if needed, is £800 to £1500 depending on scale.
Do you cover the whole of Radlett?
Yes. We survey properties across Radlett and the surrounding neighbourhoods and postcodes.
Can you tell the difference between condensation, rising and penetrating damp?
Yes, and it matters because the fix differs for each. Our survey identifies which type you have using moisture readings and thermal imaging.
Do you provide reports for insurance claims?
Yes. Every survey comes with a clear written report including the cause, photographic evidence and recommendations, formatted for insurers and managing agents.