Damp · Mould · Leak in Penge
Damp Proofing, Mould Treatment & Leak Detection in Penge
Professional damp surveys, mould removal and leak detection across Penge (SE20) and the surrounding area.
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Fully insured · Non-invasive methods first · Written reports included · London & Surrey
Why Penge Properties Need Expert Damp Surveys
South east London suburb; Victorian terraced housing close to Crystal Palace with high condensation mould rates. Our surveyors understand the specific conditions affecting Penge properties, giving you an accurate diagnosis and the right treatment plan.
We cover SE20 and surrounding postcodes, serving residential and commercial properties of all ages and construction types.
What we do in Penge
Every job starts with finding the real cause, not painting over the symptom.
Damp surveys
A proper diagnosis (rising, penetrating or condensation damp) with moisture readings and a written report.
Mould inspections & treatment
We identify the moisture source first, then treat the mould and tackle the cause.
Leak detection
Thermal imaging, acoustic listening and moisture tracing to pinpoint hidden leaks without ripping out walls or floors.
Trace & access
We locate the leak, expose the exact spot and document everything for your escape-of-water claim.
Insurance-ready reports
Clear, evidenced reports prepared to support insurance, landlord, agent or housing matters.
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.
Emergency leaks
Urgent cases are prioritised when water is coming through a ceiling or a pipe has burst.
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.
Why Penge Properties Are Prone to Damp
Penge has the usual London mix of older houses, converted flats and newer blocks, and each one gets damp in its own way. Older homes built before 1940 rarely had effective damp proofing, and even where DPCs were installed, they degrade over time. Penge’s properties range from Victorian terraces to modern builds, each with their own damp risk profile. Every survey is planned around how old the building is and how it was put together.
Left untreated, damp causes structural damage to plaster, timber, and masonry, and creates the conditions for black mould growth. Early intervention is always cheaper than delayed treatment. We recommend a professional survey at the first sign of damp, not after it has spread.
Landlords in Penge: Your Responsibilities
Under Awaab’s Law (Social Housing (Regulation) Act 2023) and the Homes (Fitness for Human Habitation) Act 2018, landlords (both social and private) have clear legal responsibilities to address damp and mould. A professional written survey from Damp Mould Leak provides the documented evidence needed for insurance claims, legal compliance, and tenant relations. We serve landlords across Penge and all postcodes.
Insurance, landlords and tenants in Penge
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 Penge
Covering Penge 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
Insured
Included
Prioritised
Evidence Reports
Findings
Get a call back about your Penge property
Tell us what’s happening and one of our team will call you back. For urgent problems call 0800 054 1524.
Frequently asked questions: Penge
What damp proofing services do you offer in Penge?
In Penge we offer the full range of damp proofing and remediation services: rising damp treatment (chemical DPC injection), penetrating damp repair, condensation control, mould treatment and removal, leak detection (including CCTV drain surveys), and full written damp surveys. Every survey comes with a written report. We cover all postcodes.
Can rising damp damage my Penge property’s value?
Yes. Untreated rising damp can significantly reduce the sale or rental value of a Penge property. Mortgage lenders routinely reject properties with active damp problems, and estate agents are legally required to disclose known damp issues. A professional damp survey from Damp Mould Leak gives you a clear, documented picture of the issue and a treatment plan that can be completed before sale or letting.
How do I know if my Penge home has a leak?
Signs of a hidden leak in a Penge property include unexplained wet patches on walls or ceilings, water meter readings that change when all taps are off, low water pressure, musty smells, or visible damp in areas not near external walls. Our leak detection service uses specialist acoustic and thermal imaging equipment to pinpoint leaks without unnecessary disruption. We cover Penge and the surrounding area.
What is Awaab’s Law and does it apply to properties in Penge?
Awaab’s Law (part of the Social Housing (Regulation) Act 2023) requires social housing landlords to investigate reported damp and mould hazards within 10 working days, send the tenant a written summary within 3 working days of the investigation, and deal with emergency hazards within 24 hours. It applies across England including all London social housing. Private landlords are also increasingly expected to meet similar standards. Our written reports are suitable as supporting evidence for housing, landlord or compliance matters.
Do you provide written reports for insurance claims in Penge?
Yes. All our surveys and inspections include a professional written report with photographic evidence, moisture readings, and a clear diagnosis. These reports are written for insurers, loss adjusters, and solicitors. If your Penge property has suffered water damage, a damp or leak-related insurance claim, or a dispute with a tenant or contractor, our reports provide the independent evidence you need.
Water Infrastructure in Penge
Penge is served by Thames Water for both water supply and sewerage. When Thames Water mains pipes fail (particularly the Victorian-era cast iron infrastructure common across South and East London), the resulting ground saturation can cause significant water ingress into nearby properties. If you have experienced unexplained damp following a Thames Water mains burst or repair in your area, our independent investigation reports establish the connection between the infrastructure event and damage to your property, supporting both Thames Water claims and buildings insurance claims.
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Last reviewed: 27 October 2026. Independent investigation and written reports. Repairs are quoted separately.