Independent damp surveys in Brent
Brent is where Victorian London stops and Metroland begins, and the two halves of the borough behave completely differently. Kilburn and Willesden are dense Victorian terrace converted into flats. Wembley, Kingsbury and Preston are interwar semis with cavity walls and working damp proof courses. The same diagnosis will not fit both.
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Brent housing, and what it does when it gets wet
The Victorian half is solid brick, subdivided, and dependent on shared roofs, stacks and rear extensions that no single owner controls. The recurring finding is water entering high in the building and appearing in a flat that owns none of the defect, which turns a repair into a negotiation. Rear closet wings with shared valley gutters are the usual source.
The interwar half is a different world. Cavity walls, a slate or bitumen damp proof course that generally still works, airbricks feeding a void under a suspended timber floor. Damp in one of these houses is almost never rising, and when it appears at low level the cause is normally that the drive, path or patio has been built up above the damp proof course over the decades. That is a spade and a drainage channel, not a chemical treatment.
Retrofit cavity wall insulation is widespread across the Metroland stock and is a genuine cause worth checking rather than assuming. Fill that has slumped leaves the top of the wall cold, and fill that bridges the cavity carries water from the outer leaf to the inner one. The signature is damp on the most weather exposed elevation appearing after driving rain rather than continuously.
What we are usually called out to in Brent
- Water entering a converted Victorian house high up and appearing in the flat below
- Ground levels built up above the damp proof course on interwar semis
- Slumped or bridging retrofit cavity wall insulation on exposed elevations
- Blocked or buried airbricks starving the void under a suspended timber floor
- Second opinions where injection has been recommended on a cavity walled house
- Chimney breast staining after a stack was capped without ventilation
Which kind of damp is it?
In a London building the same stain can have four or five different causes, and in Brent we regularly find two at once. Water rising from the ground through a wall with no working course. Rain entering through a parapet, a gutter, a cracked render or a window head. Moisture from the air condensing on a cold wall. Water from a pipe, a bath seal or a flat upstairs. Each needs a different repair and, in a shared building, often a different person to pay for it.
Our readings are taken to separate them: at depth as well as at the surface, at heights up the wall, on either side of the damp, and alongside humidity and surface temperatures. The pattern, not a single number, is what the diagnosis rests on.
The inspection, around Wembley and across Brent
- Every wall showing damp, and the walls either side of it for comparison
- Rainwater goods and roof junctions from the ground and from windows, and closer where access is safe
- Basement and lower ground floors for water table, drainage and bridging at the lightwell
- Condensation risk measured with temperature and humidity readings
- Visible timber for decay and beetle, with moisture content recorded
- Anything that would need opening up, identified and agreed with you rather than done unannounced
What you receive
A written report with photographs within 24 hours, in plain English, that stands on its own whoever reads it.
- Findings by room and by elevation
- Readings and the pattern they form
- The diagnosis, and the causes considered and excluded
- Recommendations in priority order
- Notes for a purchase, a lease or a disrepair matter where relevant
- A clear line where a quote you hold for a Brent property goes further than the defect
From request to report
- Send the request form or call. We reply the same day with the fee in writing.
- We agree a visit, including evenings and weekends, and arrange access to any communal areas if needed.
- The surveyor spends as long as the Brent property needs.
- The written report follows within 24 hours.
Buyers, landlords, tenants and leaseholders in Brent use our reports for different reasons, but always because the report has nothing behind it. We carry out no remedial work and take no referral fees, so our conclusion is not shaped by what it would lead to.
Leaseholders, landlords and buyers in Brent
Leaseholders in Brent often discover that the cause of their damp sits in a part of the building they do not own. Our report says where the water is coming from and which element of the building it passes through, which is the evidence a freeholder or managing agent needs under the lease. For landlords, damp and mould are hazards under the Housing Health and Safety Rating System, and social landlords in England now work to the fixed timescales of Awaab's Law. Our guide to Awaab's Law explains what that means.
By town
Kilburn and Queen's Park
Victorian terraces and conversions. Rear additions, front areas and shared roofs recur.
Willesden and Harlesden
Victorian and Edwardian terraces, conversions and estates. Condensation and conversions dominate.
Wembley and Kingsbury
Interwar suburbs and large new developments near the stadium. Drives over the course and ventilation in new flats are typical.
Where we cover
We survey across the borough, from Kilburn and Willesden out through Wembley and Kingsbury to Harlesden and Neasden.
- Wembley
- Willesden
- Kilburn
- Harlesden
- Kingsbury
- Neasden
- Queens Park
- Cricklewood
- Preston
Postcode districts
- NW2
- NW6
- NW9
- NW10
- HA0
- HA9
What customers say about us
Best servey i have had done fast easy and everything got sorted A+++
Lee, on Google
Professional friendly service. Highly recommended
Lisa Range, on Google
Brent questions
Can a 1930s semi have rising damp?
It is possible and it is uncommon, because houses of that age were built with a physical damp proof course that usually still works. Far more often in this borough the course has been bridged: the drive, path or patio has been resurfaced repeatedly over eighty years until the ground sits above it, so water crosses the barrier instead of being stopped by it. The symptoms look identical from inside. The remedies do not, and one costs a great deal more than the other.
Could our cavity wall insulation be causing the damp?
It can be, and it should be checked rather than assumed either way. Retrofit fill can settle over time and leave the upper part of the wall uninsulated, or bridge the cavity so water crosses from the outer leaf to the inner one. The pattern is telling: damp on the elevation that takes the weather, appearing after driving rain and drying between, rather than constant damp at low level. We inspect for it directly and the report says what we found.
Our Kilburn lower ground flat is damp. Whose problem is it?
It depends on the lease and source. Front areas, external walls and shared drains are often the freeholder's.
Our new Wembley flat has mould. Is it a defect?
It can be, if ventilation is not working. The report measures it.
Do you survey for landlords in Brent?
Yes. The report separates building defects from condensation.
Will you try to sell me damp proofing in Brent?
No. We carry out no remedial work, so there is nothing to sell after the survey. The report states the cause, the work that would actually fix it and an outline of what that work should reasonably cost, so you can get like for like quotes from contractors of your choice, or put it to a seller, landlord or freeholder.
Nearby
Book a damp survey in Brent
We survey and report only, with no treatment to sell, so what the report says is the whole of our interest. Same day response to every enquiry, and a written report with photographs within 24 hours of the visit.
Book a survey or call 020 3355 4944