Speak to a Specialist
Speak to a Specialist
Seven Sisters · N15, N17

Damp Survey Seven Sisters: Damp, Mould and Water Damage Assessment

The Assessment (what many people call a damp survey) is one non-destructive visit that finds the cause of damp, mould or a hidden leak across Seven Sisters and the surrounding area, with a clear, insurance-ready report.

★★★★★ 5.0 from 22 Google reviews
Quick answer: If you have damp, mould or a suspected water leak at a property in Seven Sisters, your first visit is a Damp, Mould and Water Damage Assessment. Our specialists carry out a non-destructive investigation to find the root cause, then give you a written report with photographs and a clear plan to fix it. Your report follows within 3 to 5 working days of the visit. We confirm the price on a written quote once we understand the problem. Call 020 3051 8478.

Damp, mould & leak services in Seven Sisters

Seven Sisters is dominated by dense Victorian and Edwardian terraces and bay-fronted conversions around Seven Sisters Road and West Green, many now split into flats with shared, ageing services. Add 1930s mansion blocks, the 1970s Broadwater Farm estate, and newer Woodberry Down towers, and you get solid walls, old roofs and pipework, and poorly ventilated conversions prone to damp, mould and leaks.

Leak Detection

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

Damp, Mould and Water Damage Assessment

One visit that finds the cause of damp, mould or water damage, and tells rising damp, penetrating damp and condensation apart. About the Assessment →

Mould Treatment

Treat black mould and deal with the moisture source behind it, so it does not keep coming back. Mould treatment →

Structural Drying

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

Areas of Seven Sisters we cover

We visit properties right across Seven Sisters and its neighbourhoods, including:

Common damp problems in Seven Sisters homes

Solid-wall Victorian terraces and rising damp

Much of Seven Sisters' terraced housing was built with solid brick walls and no damp-proof course, common around West Green and South Tottenham. Ground-floor rooms often show tide-marked plaster, crumbling skirting and salt staining as moisture wicks up from the soil. Cement render or non-breathable modern coatings applied over the decades frequently trap this moisture further, worsening the problem rather than curing it.

Subdivided flats and condensation mould

Many Victorian and Edwardian houses near Seven Sisters Road and Broad Lane have been converted into multiple flats, often with a single bathroom extractor serving a household and little cross-ventilation. Cooking, drying laundry indoors and gaps in loft insulation over top-floor conversions push moisture levels up, and black mould regularly appears around cold external walls, window reveals and behind wardrobes pushed against unheated flanks.

Estate blocks, flat roofs and penetrating leaks

Post-war and 1970s estate housing, including blocks around Broadwater Farm and older council stock near Tottenham Hale, often has flat roofs, concrete walkways and ageing communal plumbing risers. Perished roofing felt, blocked gutters and corroded pipe joints allow water to track through ceilings and party walls, producing damp patches and mould in flats several floors below the original point of entry.

What our customers say

Excellent
Rated 5.0 / 5 based on 22 reviews on
Tip: If a damp patch keeps coming back after redecorating, it is almost always a symptom, not the problem. An assessment that finds the source first saves paying for the same repair twice.

Request an Assessment in Seven Sisters

Call 020 3051 8478 or send us your details and we will agree a date with you. We work with homeowners, landlords and property managers across Seven Sisters.

Frequently asked questions

How much does a Damp, Mould and Water Damage Assessment in Seven Sisters cost?
We confirm the price on a written quote once we understand the problem. Your first visit is a Damp, Mould and Water Damage Assessment, which includes the non-destructive investigation and an insurance-ready written report with photographs. If leak detection is needed, we quote for it separately before any work starts.
Do you cover the whole of Seven Sisters?
Yes. We visit properties across Seven Sisters 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 assessment identifies which type you have using moisture readings and thermal imaging.
Do you provide reports for insurance claims?
Yes. Every assessment comes with a clear written report including the cause, photographic evidence and recommendations, formatted for insurers and managing agents. Your report follows within 3 to 5 working days of the visit.

More help in Seven Sisters

Leak detection

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

Structural drying

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

Mould removal

Treat black mould in your Seven Sisters property and fix the moisture source behind it. Mould removal in Seven Sisters →

See what you get before you speak to us: read a real report from start to finish.