Selecting the Right Damp Proofing Method for Your Home’s Needs
Many UK homeowners are concerned about potential damp issues, as the wet climate encourages the growth of mould and damp is a real threat to buildings of all types. In this short blog, we present a few effective ways to damp proof your home.
Roof inspections
The most important component of your home, the roof has to endure the harsh UK climate and should you lose a few tiles after a heavy storm, water will enter the internal roof structure and attack the timber. All it takes is a few heavy downpours and your loft is a breeding haven for penetrating damp; for the little it costs, a comprehensive roof inspection brings peace of mind, knowing that every aspect of the roof is in good order. The guttering is cleaned out and should there be any issues, prompt repairs are in order.
Damp proof course
There should be a damp proof course (DPC) that was installed between the first few rows of bricks; made from bitumen, this thick strip prevents ground moisture from rising up the walls and has been widely used for over a century. If, for any reason, the DPC is compromised, damp can rise up, causing damage as it does so. This when you need essential damp repair services from an established company.
Ventilation
Your home needs to have adequate ventilation; at London Damp Specialists, we offer a ventilation flow test, as part of a homebuyer damp survey. Opening windows creates an airflow and while that might not be wise in cold weather, generating a flow of air does help to prevent damp and mould from arising. The use of extractor fans can also create an airflow, you should open your bedroom window for an hour or two first thing in the morning and after a hot shower/bath, open the windows and keep the door closed until the condensation is removed.
Portable dehumidifier
Investing in a dehumidifier will certainly help; you can use it in any room, a few hours is all it takes to dry out the air. If you are planning to move, have your new home surveyed by London Damp Specialists; you can find details of our homebuyer damp survey on this website. Our surveys have 3 levels, plus we offer an additional plaster testing service if required, and you will receive a detailed report within 24 hours of survey completion.
External walls inspection
You should walk around the house, paying close attention to the brickwork and timber close to the building line; check for mould and mildew and the general condition of the bricks or render; crumbling cement is a sign of damp and this needs further investigation. Inspect timber window and door frames and when you are ready to replace your windows and doors, aluminium or uPVC is the preferred material as it is not affected by moisture.
Call London Damp Specialists today on 020 8528 3864 or fill out the online form and let the professionals carry out a damp survey; should there be any issues, a written quotation will be included with the report. We specialise in all forms of damp proofing.
We guarantee our work for a full 30 years, which is a reflection of the high standard of workmanship that we provide to property owners in London and the Home Counties.
Damp Survey Costs
Transparent pricing with no hidden fees for our independent, unbiased surveys.
Level 1
What’s included:
- Inspection of walls
- Inspection of floors
- Inspection of ceilings
- Leak inspection of drains and plumbing
- Damp information and prevention guide
Level 2
What’s included:
- Everything in Level 1
- Dry rot inspection
- Wet rot inspection
- Woodworm inspection
- Damp information and prevention guide
Level 3 (Most Popular)
What’s included:
- Everything in Level 1 & Level 2
- Thermal Imaging
- Air humidity testing
- HD boroscope camera
- Brickwork pointing inspection
- DPC inspection
- Ventilation flow test on extractor fans
- 4K drone imagery roof, chimney stack
and guttering inspection - Structural condition inspection
- Damp information and prevention guide
Survey Add Ons
Add On 1
Laboratory analysis Of plaster identifies hygroscopic salts such as chlorides and nitrates. which indicate whether damp is caused by rising groundwater or by plumbing leaks, This testing removes guesswork, allowing the exact source of moisture to be identified so the correct treatment is applied rather than carrying out unnecessary damp-proofing work.
Add On 2
qPCR DNA mould testing detects microscopic mould spores that are invisible during a normal inspection and van remain hidden behind walls, floors. or inside building rkaterials. It identifies the exact mould species present and the contamination level, allowing hidden mould problems to be confirrned and properly treated before they affect the property or occupants’ health.
Qualifications: All our surveyors are PCA and CSRT qualified for remedial treatments and also CSSW qualified for structural waterproofing.
Next day report: You will receive the report within 24 hours of the inspection taking place.
The survey fee will be deducted from the cost of any recommended repairs.
These are the tools we use
A damp meter
A damp meter is a diagnostic tool used to detect and measure moisture levels within building materials such as plaster, brick, timber, and concrete.
Borescope camera
borescope camera is a small inspection camera attached to a flexible semi-rigid cable that allows you to see inside areas that are otherwise inaccessible.
Inspection Drone
A drone is a remotely operated aerial device equipped with a camera that allows visual inspection from above without the need for scaffolding or ladder.
Air Humidity Sensor
Air humidity sensor measures the amount of moisture present in the air, expressed as relative humidity (RH) in percentage. It helps determine whether indoor conditions are contributing to condensation, mould growth, or damp-related issues.
Thermal Imaging Camera
A thermal imaging camera detects temperature differences on surfaces by using infrared technology to produce a heat map image. In damp investigations, it helps identify cold spots, moisture intrusion, insulation defects, thermal bridging and leaks.
Air Flow Ventilation Detector
An air flow ventilation detector measures the movement and volume of air passing through vents, extractor fans, and air bricks. It confirms whether ventilation systems are working properly and achieving adequate air changes within a room. Poor airflow leads to trapped moisture, high humidity, condensation on cold surfaces, and ultimately mould growth.
Mould Swab Test Kit
A mould swab test is carried out to confirm the presence of hidden mould growth and identify the specific species involved. Surface mould is not always visible, especially behind furniture, inside cavities, or within ventilation systems. Laboratory analysis of a swab sample determines whether active mould spores are present and what type they are, which helps assess potential health risks and decide the correct remediation approach rather than relying on visual assumption alone.
Plaster Salt Analysis Lab
Laboratory analysis of plaster is used to identify the type of salts present within the material, typically chlorides and nitrates. The presence and concentration of these salts help determine whether the moisture source is consistent with rising damp, ground contamination, or another forms [sic] of water ingress. such as mains water leak, This removes guesswork and prevents misdiagnosis, ensuring the correct remedial treatment is specified rather than applying unnecessary or ineffective solutions.
