Damp Proofing in London
City Building and Roofing Ltd provide expert damp proofing across London and Surrey. We identify and treat the root cause — not just the symptom. 15-year guarantee. Free inspections.
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Damp proofing stops moisture entering or rising through a building's walls and floors. City Building and Roofing Ltd diagnose and treat rising damp, penetrating damp and condensation across London and Surrey — identifying and fixing the root cause rather than masking the symptom — with a 15-year guarantee on eligible treatments and free inspections.
Most property owners in the UK encounter damp at some point. Unfortunately, damp can quickly cause significant damage to your property — flaking paint, crumbling plaster, rotting skirting boards, curling wallpaper, and ultimately mould growth that presents a serious health risk to occupants.
City Building and Roofing Ltd have been providing damp proofing in London for over a decade. Our team of qualified tradesmen are experts at diagnosing the root cause of damp and making the necessary repairs. We do not just treat the symptoms — we find and fix the underlying cause.
Our damp proofing services come with a 15-year company guarantee and a 10-year insurance-backed guarantee, along with £5,000,000 of public liability insurance. Call us on 020 7118 0095 for a free, no-obligation inspection.
Common Causes of Damp We Treat
Damp Treatments We Carry Out
Rising Damp Treatment
Rising damp is primarily seen in older properties where the damp proof course has failed or become ineffective. It cannot be cured, but it can be effectively controlled. We replace broken-down DPCs and use DPC injections to keep rising damp under control. Left untreated, rising damp will spread to interior floor timbers — causing expensive structural damage.
Penetrating Damp Treatment
Penetrating damp enters through defects in the building fabric — damaged masonry, faulty pointing, defective window seals or roofing issues. We identify the entry point and carry out the necessary structural repairs before applying appropriate damp-resistant treatments.
Basement & Cellar Tanking
We apply specialist liquid waterproof coatings (tanking) to the walls and floor of cellars and basements — creating a fully waterproofed space that can be used for storage or converted to habitable accommodation.
Damp Proof Membranes
Where appropriate, we apply damp proof membranes to walls and floors to prevent moisture transmission — an effective solution for areas of persistent damp.
Re-Plastering
After damp proofing treatments, walls will typically require re-plastering with specialist renovation plaster that resists moisture and prevents future damp issues.
Homebuyer Damp Surveys
If you are buying a property and a survey has flagged damp, we can carry out a detailed damp survey and provide a written report — giving you a clear picture of the problem and an accurate cost to fix it.
Why Choose City Building and Roofing?
- Over 10 years providing damp proofing across London — family-owned business
- We diagnose the root cause — not just the symptom
- 15-year company guarantee and 10-year insurance-backed guarantee
- £5,000,000 public liability insurance
- All tradesmen trained and qualified through the nationally recognised City & Guilds
- Damp proofing services throughout London and the South East
- Full range of remedial treatments — rising damp, penetrating damp, cellar tanking
Damp Problem in London or Surrey?
Call us today for a free, no-obligation damp inspection. We cover all of London including Kensington, Chelsea, Fulham, Westminster and Central London.
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Find City Building and Roofing Ltd on Google
Customers across London and Surrey can find City Building and Roofing Ltd on Google to read reviews, view recent work and contact the team directly. We recommend calling the correct local number for your area — Surrey enquiries on 01932 950 995 and London enquiries on 020 7118 0095.
Related Services
Areas We Cover
Frequently Asked Questions
What areas of London do you cover for building work?
We cover all of London for building and refurbishment projects, with a particular focus on Kensington, Chelsea, Fulham, Westminster, Hammersmith and Central London. We also work throughout Surrey.
Do you handle planning permission applications?
While we do not submit planning applications ourselves, we have extensive experience working with planning consultants and local authorities across London. We can advise you on what permissions your project is likely to require.
Can you manage the entire refurbishment project?
Yes. We offer a full project management service where we co-ordinate all trades and materials on your behalf. This gives you a single point of contact and ensures quality control throughout the project.
Ready to Get Started?
Contact us today for a free, no-obligation quote. We serve all of London and Surrey with professional roofing and building services.
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