10 Best Damp Proofing Specialists in Sheffield for 2026
💧 10 businesses·📍 Sheffield
✓ Reviewed regularly·✓ Updated 22 October 2026
Written by Mark Reid,
Trades Editor ·Verified 22 October 2026
Sheffield is a tricky city for damp. The hills mean plenty of houses sit on sloping ground with retaining walls, terraced streets from Walkley to Nether Edge back into banks of clay, and the older stone and brick stock in Crookes, Heeley and Hillsborough was built long before anyone fitted a damp proof course. Add a wet climate and a lot of Victorian cellars, and you get a steady run of jobs: rising damp in solid walls, penetrating damp from tired gutters, failed pointing and cracked render, and cellar waterproofing and tanking. A good specialist starts with a damp survey, not a sales pitch for chemical damp proof course injection. That matters because plenty of what gets called rising damp is condensation and black mould, which is fixed with ventilation such as positive input ventilation, not a new damp proof course. The same survey should tell you whether you've got dry rot or wet rot in the timbers, woodworm in the joists, or corroded wall ties in cavity walls, and whether the walls will need replastering once they've dried out.
We built this page from public business listings, ranking each business by public review rating and review count, with a small lift for those showing a working website and phone number. We then read each business's homepage to confirm damp proofing specialists work is what they primarily offer, which keeps unrelated trades off the page. Listings flagged as permanently closed are removed automatically. Where you see a Trust Verified badge, that business has additionally passed our full verification, covering trade qualifications and accreditations, public liability insurance, trading history, customer review history and registered company information. Our How We Verify page has the full list. For any business without that badge, we haven't independently verified those things, so you'll want to check them yourself before booking.
Get a written survey report before you agree to any treatment, and ask what exactly was measured and how. A decent surveyor uses a moisture meter and looks at the building, rather than just poking a probe into the plaster. Ask for the quote itemised: chemical injection, replastering, ventilation and timber work should be separate lines. Check whether the firm holds relevant trade accreditation, and ask to see public liability insurance. Chemical damp proof courses and cavity wall tie replacement usually come with an insurance-backed guarantee, so ask who stands behind it if the firm closes. Get two or three quotes, and be wary of anyone who diagnoses rising damp over the phone or recommends full treatment without looking at gutters, ground levels and ventilation first. A cheap quote that treats the wrong problem costs more in the end.
How We Select & Rate The Best Damp Proofing Specialists in Sheffield
Businesses on this page are ranked by public review rating and review count drawn from third-party business listings, with a small lift for those showing a working website and phone number. We read each business's homepage to confirm damp proofing specialists work is what they primarily offer, and permanently-closed listings are removed automatically. Businesses marked Trust Verified have additionally passed our full verification covering qualifications, insurance, trading history, customer review history and registered company information; see our How We Verify page for the full list. Other businesses on the page have not been independently verified by us, and inclusion is not an endorsement. Always do your own checks before hiring.
Recommended and Featured listings are paid placements, so a business's fee affects whether and where it appears. Every other listing is ranked on rating and review count from third-party business listings. How we rank & verify →
Quick Comparison: Damp Proofing Specialists in Sheffield
Damp proofing in Sheffield is the focus of LABS Building Services Ltd, a firm working from the S11 area on properties affected by rising damp, condensation and penetrating moisture. Work typically begins with a survey to identify the cause of the problem before any treatment is recommended. Google reviewers have given the business a 4.7 rating from 140 reviews.
Damp proofing and plastering in Sheffield is the focus of ACE Damp Proofing & Plastering Ltd, which works on properties across the city and the surrounding area. Treating damp and then replastering affected walls under one roof means the repair can be finished without a separate trade returning to the job. The business holds a 5 rating from 58 Google reviews.
Families across Sheffield dealing with rising damp, condensation or musty rooms can turn to Damp2Dry Building Solutions Ltd for specialist damp proofing. The company surveys affected properties, identifies the source of moisture and carries out remedial work to match. A Google rating of 5 from 22 reviews suggests households in the area have been satisfied with the results.
Families across Sheffield who find black mould creeping along bedroom walls or a musty smell in the cellar can call on ADP Damp Proofing & Soundproofing to investigate the cause. The business treats rising and penetrating damp in older terraces and semis, and also carries out soundproofing for households sharing walls with noisy neighbours. A 5 out of 5 Google rating from 21 reviews reflects the standard of its local work.
AMPM Property Maintenance Ltd is a damp proofing contractor serving Sheffield and the surrounding area. The firm deals with the moisture problems common in older housing stock, including rising damp, condensation and penetrating damp, and works from the S1 postcode. A 5 out of 5 Google rating from nine reviews gives a modest but consistent picture of the work.
Allerton Damp Proofing Sheffield is a damp proofing specialist serving homes and properties across the city. The business deals with the moisture problems that affect older Sheffield housing stock, from rising damp to condensation-related mould. It holds a five-star Google rating from six reviews, a small but consistent sample from local customers.
Older terraces and Victorian semis, where solid walls and aged brickwork often trap moisture, are familiar territory for PDC Damp Proofing in Sheffield. The business works as a damp proofing specialist, dealing with the causes of rising damp, condensation and penetrating damp rather than simply covering the marks they leave. It takes on residential properties across the city and surrounding area.
Premiere Dampproofing Ltd. is a damp proofing specialist based in Sheffield, working on the rising damp, penetrating damp and condensation problems that affect older housing across the city. Its focus is diagnosing where moisture is entering a property before any treatment is proposed. The business holds a 4.3 rating on Google from six reviews.
Calls to Smoothcoat usually start with a cracked ceiling, a damp patch that needs skimming out, or a tired exterior wall in need of new render. The Sheffield firm handles both plastering and rendering, working on older properties as well as newer builds. It has built up a strong local record, with 87 reviews averaging a full five stars.
Basement conversions, tanking and damp proofing are the core of the work at AB Basement company, a Sheffield builder serving the S8 area. The firm turns cellars and underused lower floors into habitable rooms, with waterproofing treated as part of the build rather than an afterthought. Enquiries are handled through its website.
Transparency notice: Recommended and Featured listings are paid placements, so a business's fee affects whether and where it appears. All other listings are ranked by a combined score drawn from ratings and review counts published on third-party business listings, plus basic completeness signals such as a working website and phone. A Trust Verified badge means we have independently checked that business's documents; businesses without it have not been independently verified by us. How we verify →
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How much does a damp proofing specialist cost in Sheffield?
It depends on the problem. A damp survey typically runs from free (when bundled with a quote, though treat that with caution) to around £150 to £350 for an independent report. Chemical damp proof course injection costs roughly £50 to £90 per linear metre of wall, so a typical terraced house comes in around £1,000 to £2,500 including replastering of affected walls. Cellar tanking and waterproofing runs from about £3,000 to well over £10,000 depending on size and drainage. Gutter repairs and repointing are usually a few hundred pounds to £2,000 or so. Get two or three itemised quotes so you can compare like for like.
Do I really need a damp survey before any treatment?
Yes. Many damp problems in Sheffield homes turn out to be condensation, a leaking gutter or a bridged cavity rather than rising damp. A survey tells you which, so you don't pay for chemical injection that won't fix anything. A good surveyor takes moisture readings at different heights, checks ground levels, gutters, pointing and ventilation, and writes up what they found. If someone quotes for a damp proof course without a proper inspection, get another opinion.
Is it rising damp or condensation, and what does fixing each cost?
Rising damp shows as a tide mark usually below about a metre, with salts and crumbling plaster. Condensation and black mould tend to sit on cold corners, behind wardrobes and around windows, and get worse in winter. Condensation is fixed with ventilation, extractor fans, heating habits and often positive input ventilation, which costs around £500 to £1,200 fitted. Chemical injection for genuine rising damp is the dearer route at £50 to £90 per metre. Treating condensation with a damp proof course is a common and expensive mistake.
How long does a chemical damp proof course last, and how often should timber or wall ties be checked?
A properly installed chemical damp proof course should last 20 years or more, and guarantees often run 20 to 30 years, though they're only as good as the firm behind them. Wall ties in cavity walls generally need attention after 40 to 50 years, earlier in exposed spots, and replacement typically costs £1,500 to £4,500 for a house. Woodworm and rot treatments are usually one-off jobs with a guarantee, but have timbers looked at again if you spot fresh flight holes, a musty smell or soft floorboards. Cellars and basements are worth a check every few years.
What method suits which wall or surface?
Solid stone and brick walls, common across Sheffield's older suburbs, usually take chemical injection cream or fluid into the mortar course. Cavity walls need a different approach, and wall tie corrosion is a separate issue entirely. Cellars with groundwater pressure suit cavity drain membranes with a sump pump, or cementitious tanking for lighter moisture. Render that's cracked or blown lets rain in, so repair or replace it rather than painting over it. After any treatment, use a salt-resistant replaster rather than ordinary gypsum plaster, and allow the wall time to dry.
How do I check and choose between damp proofing specialists?
Ask for the survey in writing and check it names the actual cause of the damp. Ask to see public liability insurance and ask about relevant trade accreditation, then confirm anything they claim. Check the guarantee is insurance-backed and transferable if you sell, because buyers' solicitors often ask. Read online reviews for jobs similar to yours, and look for photos of finished work. Compare two or three itemised quotes, not just the headline figure. Don't pay a large deposit upfront, and be wary of high-pressure sales visits or anyone who says the problem must be fixed this week.
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