Damp · Mould · Leak — Sutton
Leak Detection, Trace & Access & Mould Treatment in Sutton
Our engineers find hidden leaks in Sutton homes without tearing them apart, investigate damp and mould properly, and write the report your insurer asks for — across SM1 and SM2.
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Fully insured & qualified · Non-invasive methods first · Written reports included · London & Surrey

Why Sutton homes get damp, mould and hidden leaks
Sutton is a large, busy town with one of the most mixed housing profiles we work in, and every type has its own weak points. Close to the town centre and the High Street there are Victorian and Edwardian terraces, where we regularly trace leaks behind chimney breasts and bay windows and penetrating damp through solid walls. Across Benhilton, Sutton Common and Belmont the stock is mostly 1930s interwar semis with bay fronts and rear extensions, prone to roof and valley leaks and condensation mould. There is also a large number of purpose-built and converted flats, plus some council and ex-council stock, where the recurring issue is escape of water from a flat above or cold-room condensation. We diagnose the real cause first rather than guessing.
Flats, conversions and rented homes across Sutton
Because Sutton has so many flats, HMOs and rented homes, a lot of our work here is escape of water between flats and persistent condensation mould in rooms that are cold and poorly ventilated. We trace the source non-invasively, work out whether a leak sits in the demised flat or the communal risers, and give leaseholders, landlords and managing agents a clear written report — the evidence needed to settle who is responsible and to support an insurance claim.
Landlords, managing agents and Awaab’s Law
For rented homes in Sutton, damp and mould are no longer something to leave. Under Awaab’s Law, social landlords must investigate reported damp and mould within set timescales, make emergency hazards safe within 24 hours, and provide a written summary of the investigation. We give landlords and agents a proper independent investigation of the cause — not just a coat of paint over the mould — with the report needed to act quickly and correctly.
What we do in Sutton
Every job starts with finding the real cause — not painting over the symptom.
Leak detection
Thermal imaging, acoustic and moisture tracing to pinpoint a hidden leak before any wall comes down.
Emergency & burst pipes
Genuine 24/7 call-outs when water is coming through a ceiling or a pipe has burst.
Trace & access (insurance)
We find and expose the leak and document it for your escape-of-water claim.
Mould treatment & investigation
We find the moisture source, treat the mould and tackle the cause so it is far less likely to return — with a written report.
Insurance-ready reports
Clear, evidenced reports written for insurers, solicitors and managing agents.
Damp & mould surveys
A proper diagnosis — condensation, penetrating or rising damp — so you fix the right thing once.
Moisture mapping & thermal imaging
Calibrated readings and thermal surveys that show exactly where the moisture is — and where it isn’t.
CCTV drainage surveys
Camera surveys that find blockages, collapses and leaking joints that feed damp into a property.
Real investigations by our team
Genuine photographs from DML jobs across London & Surrey — not stock imagery.



How we investigate
Non-invasive first. We open up only when we know exactly where the problem is.
Visual inspection
A methodical room-by-room inspection of the affected areas, inside and out.
Moisture readings
Calibrated moisture meter readings across walls, floors and ceilings.
Thermal imaging
Infrared scanning, where suitable, to reveal hidden moisture and cold spots behind finishes.
Acoustic & tracer gas
Acoustic listening and tracer gas, where suitable, to pinpoint concealed pipe leaks.
Pressure testing
Pressure testing of heating and supply pipework where suitable.
Photos & written report
Photographs, readings and clear findings in a written report you can act on.
Insurance leaks & trace and access
Trace and access may be covered under buildings insurance, depending on the policy. We provide insurance-ready reports and evidence to support the claim. Our Sutton engineers give you the non-invasive trace, the photographs and readings, and a written report you can hand straight to your insurer or loss adjuster.
Insurance, landlords and tenants in Sutton
Reports prepared to support insurance, landlord, agent or housing matters. Trace and access may be covered under buildings insurance, depending on the policy — we provide the photographs, readings and written evidence to support the claim. For landlords and housing providers, our reports are suitable as supporting evidence for housing, landlord or compliance matters. Written workmanship terms apply where relevant.
Book a damp, mould or leak investigation in Sutton
Covering Sutton and the surrounding area. Call free, WhatsApp us, or request a call back and one of our team will get straight back to you.
Get a call back☎ 0800 054 1524WhatsApp us
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Get a call back about your Sutton property
Tell us what’s happening and one of our team will call you back. For emergencies call 0800 054 1524 any time.
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Areas we cover around Sutton
New Malden hub · Cheam · Worcester Park · Morden · Ewell
We also attend Sutton Common, Benhilton, Belmont and Rosehill.
Frequently asked questions — Sutton
Can you find a leak without smashing the house up?
Yes — that is the point of professional leak detection. We use thermal imaging, acoustic listening and moisture mapping to pinpoint it, then open up only the spot that matters.
We have a leak from the flat above — can you help?
Yes. Escape of water between flats is a lot of our Sutton work. We trace the source, establish whether it is demised or communal, and document it for the freeholder, managing agent and insurer.
I’m a landlord with a damp and mould complaint — what do you provide?
An independent investigation of the real cause and a clear written report. That helps you meet your obligations under Awaab’s Law and actually fix the problem rather than repainting over it.
Will my insurance pay for the work?
Trace and access may be covered under buildings insurance, depending on the policy. We provide insurance-ready reports and evidence to support the claim.
How fast can you get to Sutton?
Sutton is well within our regular area, so we can usually attend SM1 and SM2 the same day, and we run genuine 24/7 emergency call-outs.