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Oval · SW8, SW9, SE11

Damp, Mould & Leak Specialists in Oval

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

Call 020 3051 8478Request a survey
★★★★★ 4.9 from 19 Google reviews · trusted by Oval homeowners, landlords & property managers
Quick answer: If you have damp, mould or a suspected water leak at a property in Oval, 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 Oval

Oval's housing stock is a mix of tall Victorian and Edwardian terraces converted into flats, 1930s mansion blocks around the Oval cricket ground, and large post-war council estates such as those off Wyndham Road and Kennington Park Road, plus newer builds near Vauxhall and Nine Elms. Solid brick walls, shared conversions, flat roofs and ageing concrete panel blocks all create their own routes for damp, condensation and 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 Oval we cover

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

Common damp problems in Oval homes

Basement and lower ground flat damp in converted terraces

Many Victorian terraces around Kennington Park Road and South Lambeth were split into flats decades ago, with lower ground and basement units sitting below or near pavement level. Solid brick walls without cavities let moisture track through from the ground, while old external render and poorly maintained lightwells trap water against the wall, leading to rising and penetrating damp in bedrooms and kitchens.

Condensation mould in post-war estate flats

Estates near Wyndham Road and Lansdowne Green were built with concrete panel construction and minimal insulation, creating cold bridging at window reveals and external corners. Combined with limited through-ventilation in narrow galley kitchens and bathrooms, this produces persistent black mould on external walls and around window frames, especially in flats facing north or shaded by neighbouring blocks.

Flat roof and parapet leaks on mansion blocks and extensions

The 1930s mansion blocks close to the Oval and rear closet-wing extensions on many Victorian terraces rely on flat or low-pitch roofs with asphalt or felt coverings that degrade over time. Once cracked or blistered, these let water track along joists into top-floor ceilings and party walls, often showing up as staining or bulging plaster well away from the original leak point.

What our customers say

Excellent
Rated 4.9 / 5 based on 19 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

Very professional and organised I must say came out and completed the work very efficiently customer service was excellent. Definitely recommend this damp and mould service to anyone looking for a job done correctly. :)

Joeie Rouse✓ 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 Oval

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

Frequently asked questions

How much does a damp survey in Oval 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 Oval?
Yes. We survey properties across Oval 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.

More help in Oval

Leak detection

Trace a hidden water leak in Oval using thermal, acoustic and tracer gas methods, with minimal damage. Leak detection in Oval →

Structural drying

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

Mould removal

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