Speak to a Specialist
Speak to a Specialist
Dollis Hill · NW2, NW10

Damp, Mould & Leak Specialists in Dollis Hill

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

★★★★★ 5 from 18 Google reviews · trusted by Dollis Hill homeowners, landlords & property managers
Quick answer: If you have damp, mould or a suspected water leak at a property in Dollis Hill, 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 Dollis Hill

Dollis Hill's housing stock is dominated by Edwardian and 1920s-30s terraces and semis built around the Metropolitan and Jubilee line extensions, alongside interwar mansion blocks near Gladstone Park and post-war low-rise council flats further towards Neasden. Solid brick walls, ageing flat roofs, retrofitted insulation and original single glazing combine to trap moisture, making rising damp, penetrating damp and condensation mould persistent problems across 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 Dollis Hill we cover

We survey properties right across Dollis Hill and its neighbourhoods, including:

Common damp problems in Dollis Hill homes

Solid-wall Edwardian terraces and rising damp

Many of Dollis Hill's terraced streets off Dollis Hill Lane and Chapter Road date from the early 1900s, built with solid brick walls and shallow or failed damp proof courses. Without a cavity to break capillary moisture, groundwater tracks up through brickwork and internal plaster, leaving tide marks and crumbling skirting in front reception rooms and hallways, especially where external ground levels have been raised over time by paving or flowerbeds.

1930s semis near Gladstone Park and retrofit condensation

The 1930s semi-detached houses around Gladstone Park and Anson Road were built with early cavity walls, many since filled with insulation or fitted with uPVC replacement windows that cut natural ventilation. This traps warm moist air indoors, causing interstitial and surface condensation on cold bridges around lintels and chimney breasts, with black mould commonly developing in north-facing bedrooms and behind wardrobes pushed against external walls.

Converted flats and flat-roof leaks

Dollis Hill has numerous Edwardian houses converted into flats plus interwar and post-war low-rise blocks with flat roofs and shared rainwater goods. Ageing felt roofing, blocked gutters and perished flashing around parapets let water penetrate top-floor ceilings, while poorly ventilated bathrooms and kitchens in these subdivided properties suffer recurring mould on grouting and window reveals, often worsened by shared extractor fans that no longer vent effectively.

What our customers say

Excellent
Rated 5.0 / 5 based on 18 reviews on
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 Dollis Hill

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

Frequently asked questions

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

Leak detection

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

Structural drying

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

Mould removal

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