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Speak to a Specialist
New Southgate · N11, with edges into N20, N22 and N10

Damp, Mould & Leak Specialists in New Southgate

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

Call 020 3051 8478Request a survey
★★★★★ 4.9 from 18 Google reviews · trusted by New Southgate homeowners, landlords & property managers
Quick answer: If you have damp, mould or a suspected water leak at a property in New Southgate, 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 New Southgate

New Southgate grew up around its railway station and the former Standard Telephones and Cables works, leaving a mix of Victorian and Edwardian terraces, 1930s bay-fronted semis off Brunswick Park Road, and low-rise post-war flats near Betstyle Circus. Solid brick construction with original slate roofs and single-glazed sash windows means many properties suffer from rising damp, blocked terracotta drains and condensation where lofts and floors were never brought up to modern insulation standards.

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 New Southgate we cover

We survey properties right across New Southgate and its neighbourhoods, including:

Common damp problems in New Southgate homes

Rising damp in Victorian terraces near Bowes Park and Colney Hatch

The narrow Victorian terraces backing onto the railway around Bowes Park and Colney Hatch were built with lime mortar and shallow footings, often with no functioning damp proof course today. Solid brick party walls draw moisture up from the ground, causing crumbling plaster and tide marks at skirting level. Poorly maintained rear additions and cellar conversions in this stretch make the problem worse during wet winters.

Condensation and mould in 1930s semis around Brunswick Park

The bay-fronted semis and short terraces built through Brunswick Park and towards Oakleigh Park in the 1930s have small original chimneys now capped off and replaced with sealed double glazing, trapping moisture indoors. Bathrooms and kitchens extended without adequate extraction commonly show black mould on north-facing walls and wardrobes pushed against external walls, particularly where cavity wall insulation was retrofitted without ventilation upgrades.

Leaks and flat roof failures near New Southgate station and Betstyle Circus

Flats converted above shops around the station and the low-rise blocks near Betstyle Circus frequently have ageing flat roofs and shared guttering that were never designed for today's rainfall patterns. Water tracks along felt roofing joints and parapet walls into top-floor ceilings, while communal downpipes shared between neighbouring units often go unnoticed until plasterboard is visibly stained or sagging.

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 New Southgate

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

Frequently asked questions

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