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Damp Proofer in Swansea (5)

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Qes Exteriors Ltd Logo

Qes Exteriors Ltd

9.41(65 reviews)

Operates in Swansea

Services & skills
Damp Proofer
Structural Water Proofing
Condensation Control
Mould Control
Damp Investigation
Dampmaster Ltd Logo

Dampmaster Ltd

9.94(46 reviews)

Operates in Swansea

Services & skills
Damp Proofer
Dry Rot Treatment
Structural Water Proofing
Rising Damp
Emergency Damp Proofing Service
JDP Plastering Logo

JDP Plastering

9.97(338 reviews)

Operates in Swansea

Services & skills
Damp Proofer
Condensation Control
Timber Treatment
Damp Investigation
Woodworm Treatment
Above And Beyond Property Maintenance Logo

Above And Beyond Property Maintenance

10(14 reviews)

Operates in Swansea

Services & skills
Damp Proofer
Condensation Control
Dry Rot Treatment
Structural Water Proofing
Damp Investigation
Rightstyle Logo

Rightstyle

10(1 review)

Operates in Swansea

Good availability

Services & skills
Damp Proofer
Condensation Control
Emergency Damp Proofing Service
Damp Investigation
Mould Control

Damp proofers near Swansea

Damp problems can sneak up on you.

If you’re dealing with damp in Swansea, you're not alone. Whether you’re noticing signs of rising damp, condensation or penetrating damp, the sooner you act, the better.

Here, we’ll break down everything you need to know about damp proofing in Swansea: how it works, what it costs, and how to spot the signs of damp.

From cellar waterproofing to injection treatments, Checkatrade are here to help you hire the right damp proof service near you.

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  • How much do damp proofers charge in Swansea?

    The cost of damp proofing in Swansea can vary depending on the size of the affected area, the type of damp, and the treatment required.

    On average, here's what you can expect:

    • Damp proofing cost per metre: £50–£75
    • Damp proof course (DPC): £500–£5,000
    • Damp proofing external walls: £750–£4,000
    • Cellar/basement damp proofing: £100–£200 per sqm
    • Injection damp proofing: £1,000–£5,000
    • Chemical damp proofing: £750–£3,000

    Other factors include the severity of the damp, the age and layout of your property, and accessibility.

    For the most accurate quote, speak to damp proofers covering your local Swansea area, and ask for a full damp survey.

  • What is damp proofing?

    Damp proofing is a way to protect your home from unwanted moisture. Damp proofing involves using specialist equipment, materials and treatment to stop damp from spreading through walls, floors or ceilings.

    Damp proofing aims to prevent water from entering your homes structure, which can lead to unwanted mould, damage and decay within your property.

    There are different types of damp, all of which need its own treatment. The most common types of damp in the UK are:

    • Rising damp
    • Penetrating damp
    • Condensation

    Common damp proofing methods to treat these kinds of damp include:

    • A damp proof course (DPC): A layer of waterproof material that's often injected into walls, blocking moisture from rising from the ground
    • Damp proof membrane (DPM): A plastic sheet or coating that forms a barrier against moisture, used in walls, floors and basements.
    • Tanking systems: Waterproof coatings applied to basement walls to keep water out
    • Ventilation systems: For treating condensation by increasing airflow
  • How much does it cost to get a damp survey in Swansea?

    A professional damp survey in Swansea usually costs between £150 and £350.

    Some local damp proofing companies near you may offer a free initial assessment, especially if you're likely to go ahead with treatment.

    A full survey will pinpoint the cause of damp, assess any structural risk, and outline your best treatment options.

  • Is it worth getting a damp survey?

    Yes, especially if you’re buying a property or spotting signs like mould, musty smells, or stained walls. A damp proof survey in Swansea gives you a clearer picture of what’s going on, so you don’t end up paying for unnecessary work or missing underlying issues.

    It’s also a must if you need official paperwork for insurance or mortgage purposes.

  • How do I know if I have rising damp?

    Rising damp tends to show up as damp patches or "tide marks" about a metre from the floor.

    Other signs include peeling paint or wallpaper, crumbling plaster, or rotting skirting boards.

    A damp survey in Swansea can confirm if it's rising damp or something else like condensation or penetrating damp.

  • How long does damp proofing treatment take?

    Most damp proofing treatments in Swansea can be completed in anything from a few days to a couple of weeks.

    Here’s a rough guide:

    • Injection damp proofing (for rising damp): Usually takes 2–7 days, depending on how much wall needs treating.
    • Tanking or waterproof coatings (often for basements): Typically 5–10 days, including drying time.
    • Membrane installation (in basements or walls): Around 1–2 weeks, depending on complexity.
    • Condensation control (e.g. ventilation upgrades): Often done in a day or two.

    Some treatments, like DPC injection, need time to dry out before you can re-plaster or decorate, so while the main job might be quick, allow extra time for drying and finishing.

    Your damp proofer in Swansea should give you a clear timescale upfront.

  • Can I damp proof myself?

    DIY damp proofing kits are available, and ventilation fixes can help with light condensation. But for rising or penetrating damp, it's safer to call in a damp treatment specialist.

    Poorly applied DIY treatments often lead to repeat problems and higher costs in the long run.

    It's a good idea to find a checked damp proof company near you with the right tools, experience and insurance to get it done right.

  • What happens during damp proofing: Step by step

    1. Survey: A tradesperson visits your property to inspect affected areas and identify the type and cause of damp.
    2. Diagnosis: You’ll receive a written report detailing what’s causing the damp and the recommended treatment.
    3. Prep: This may include removing plaster, lifting flooring, or sealing rooms to keep dust down.
    4. Treatment: Work might involve injecting a damp proof course, installing membranes, tanking walls or applying specialist coatings.
    5. Finishing: Once treatment is complete and the area has dried, new plastering or decorating can take place.
  • What are some low-cost ways to prevent damp in my home?

    • Ventilation: Use extractor fans in kitchens and bathrooms. Open windows regularly.
    • Heating: Keep your home consistently warm, especially in colder months.
    • Furniture placement: Avoid pushing furniture flush against walls to let air circulate.
    • Moisture control: Use a dehumidifier if needed and avoid drying clothes indoors without ventilation.
    • Repairs: Fix leaky pipes, cracked render, or damaged gutters promptly
  • How does damp proofing work in a flat?

    In a flat, damp issues often involve condensation, leaking pipes or penetrating damp from shared walls or poorly sealed windows. Treatments may include improved ventilation, applying damp proof paint, or using a damp proof membrane on affected walls.

    If the issue originates from a neighbouring flat or communal space, you may need to involve the building management or freeholder.

  • How does damp proofing work in a house?

    In houses, particularly older ones, rising damp is a common issue.

    Treatment typically involves installing or renewing a damp proof course (DPC), injecting damp proof cream into brickwork, or applying a waterproof membrane.

    For basements, tanking systems are often used. A checked damp proofer in Swansea can recommend the best fix for your home layout and build type.

  • Does home insurance cover damp?

    Not always. Most policies won’t cover damp unless it’s the result of a specific event, like a burst pipe.

    Insurers often view damp as a maintenance issue. Check your policy wording or speak to your insurer for clarity.

    If you’re in doubt, it's a good idea to contact a damp proofer in your local Swansea area and ask them to write a report to help support your case.

  • I live in rented accommodation. What do I do about damp?

    Let your landlord or letting agent know as soon as you spot any signs. Under the Homes (Fitness for Human Habitation) Act, landlords are responsible for tackling serious issues like damp and mould.

    If they don’t act, you can contact your local council. Taking photos and keeping written records of your complaint is a good idea.

  • Damp proofing for landlords: What do I do?

    As a landlord, it’s your legal responsibility to provide a safe and habitable home. If tenants report damp, act quickly.

    Arrange a professional damp survey to assess the cause, then hire a checked damp proofing contractor near Swansea to carry out any necessary work. Keep records of inspections and repairs to avoid disputes.

  • What are the building regulations for damp proofing in Swansea?

    Building regulations require that all new builds and extensions in Swansea have appropriate damp proofing measures to prevent rising damp and moisture ingress.

    If you’re altering structural walls, converting basements or replacing DPCs, your contractor may need to comply with Part C of the Building Regulations. It’s best to hire a damp proofing contractor who understands local rules in Swansea and can ensure compliance.

  • Do you need planning permission for damp proofing in Swansea?

    Most damp proofing work in Swansea doesn’t require planning permission.

    However, if your property is listed or in a conservation area, you may need special consent. Always check with your local authority or ask your damp proof contractor to advise you.

  • Should I get a damp survey before selling my house?

    It’s a smart move. If buyers suspect damp during a viewing or get flagged by their own survey, it could affect your sale or lead to price renegotiations.

    Getting a damp survey in Swansea before listing your home shows transparency and helps build buyer confidence. You’ll also be better prepared for any work that needs doing.

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