Speak to a Specialist
Speak to a Specialist
Archway · N19, N6, N7

Damp, Mould & Leak Specialists in Archway

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

★★★★★ 4.9 from 17 Google reviews · trusted by Archway homeowners, landlords & property managers
Quick answer: If you have damp, mould or a suspected water leak at a property in Archway, 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.

Damp, mould & leak services in Archway

Archway's housing stock is dominated by late Victorian and Edwardian terraced houses, purpose-built mansion blocks and converted flat subdivisions, many dating from the 1880s to 1910s. Original solid brick construction, ageing shared rooflines and decades of piecemeal conversion create persistent conditions for damp ingress, condensation and concealed leaks throughout the area.

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 Archway we cover

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

Common damp problems in Archway homes

Rising and Penetrating Damp in Victorian Terraces

The large stock of solid-walled Victorian terraces along roads such as Junction Road and Hornsey Rise lacks cavity construction, making walls highly susceptible to penetrating damp after prolonged rainfall. Failed or absent damp-proof courses allow ground moisture to wick upward into ground-floor rooms, leaving characteristic tide marks, peeling plaster and salt crystallisation on internal walls.

Condensation and Mould in Converted Mansion Flats

Archway's substantial number of mansion block conversions, particularly around Whitehall Park and Upper Holloway, suffer chronic condensation problems. Poor thermal performance in original single-glazed windows combined with inadequate ventilation in subdivided layouts traps moisture-laden air. Bathrooms and kitchens that were repositioned during conversion frequently lack sufficient extraction, encouraging persistent black mould growth on walls and ceilings.

Hidden Leaks from Shared and Ageing Roof Structures

Many Archway properties share party roof structures across terraced runs, meaning a defect on one dwelling can allow water to track laterally into neighbouring homes undetected for months. Ageing lead flashings around chimney stacks, common on Edwardian properties near Dartmouth Park and Tufnell Park, deteriorate gradually, permitting water ingress into roof voids and upper-floor ceilings without obvious external signs.

What our customers say

★★★★★

I have been dealing with damp and mould for years but these guys were able to come in and resolve the problem quickly and professionally. Their prices were fair and reasonable and they got the job done clean. 10/10 would use again and would recommend.

Thersa Waron Eurmind, via Google

★★★★★

Very helpful and professional, easy to communicate with about my mould issues and I received fast responses from the company on the best solutions for me. would recommend to all friends and family. 5/5

Jensen B, via Google

★★★★★

I recently used a damp and mould specialist company and was extremely impressed with the service from start to finish. From the initial survey, they were knowledgeable, thorough, and took the time to clearly explain the cause of the issue rather than just treating the symptoms.

Tarik Barak, via 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 Archway

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

Frequently asked questions

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