The 10 damp proofing specialists from Google's results for Portsmouth, ranked on Google rating, online presence and other factors. Updated 10 September 2026.
on GooglePortsmouth
PFC Restoration delivers damp proofing services for homeowners across Portsmouth. The business treats damp problems to protect interior plasterwork, prevent timber decay, and remedy wall moisture issues before structural damage develops.
on GoogleWaterlooville
South co Aststructural Repairs provides damp proofing services in Waterlooville.
023 9400 2662 26 Hulbert Rd, Waterlooville PO7 7NT
on GoogleHilsea, Portsmouth
Hampshire Preservation Services carries out damp wall restoration and property preservation for domestic and commercial clients in Portsmouth. Based in Hilsea, the firm handles site clearance and tidying alongside damp treatments.
023 9281 9865 22 Farmside Gardens, Hilsea, Portsmouth PO3 5HY
on GoogleHilsea, Portsmouth
City Damp Solutions delivers damp proofing services across Portsmouth, Hampshire, and West Sussex. The company assists clients with diagnosing and treating damp issues in residential properties throughout the region.
07590 527677 350-352 London Rd, Hilsea, Portsmouth PO2 9JY
on GoogleCardiff
Nordic Damp Proofing carries out rising damp treatments, masonry inspections and damp proof course installations for residential properties. Recent projects include resolving salt contamination and moisture damage on kitchen walls in Swansea.
0330 191 6624 4th Floor, 14 Museum Pl, Cardiff CF10 3BH
on GoogleDudley Rd, Portsmouth
Permafix Ltd is a Portsmouth damp proofing firm working on houses, commercial sites and industrial buildings, with jobs taken on in Hampshire, West Sussex, Surrey, Wiltshire and Greater London. Alongside damp work on older homes, it converts basements, replaces wall ties, preserves timber and carries out structural repairs.
023 9235 0992 Unit 5 and 8, Dudley Industrial Park, Dudley Rd, Portsmouth PO3 6AT
on GoogleAirport Service Rd, Portsmouth
Bwt Southern resolves rising damp issues across Portsmouth from its base on Airport Service Road. The company installs damp proofing systems to protect walls from ground moisture.
023 9266 6212 COSMOPOLITAN HOUSE, Airport Service Rd, Portsmouth PO3 5XR
Portsmouth
Safeguard Roofing and Building Ltd offers roof inspections, repairs, and complete replacements, supported by a 24-hour callout service. Listed under roofers and damp proofing specialists, the company provides all types of roofing solutions for clients in Oxford.
Portsmouth
Specialising in property preservation throughout Portsmouth, Harfords Specialised Services addresses rising damp, condensation, insect infestations and wood rot. It also installs cavity drain membrane systems for basement conversions and refurbishments, along with carrying out home maintenance inspections.
023 9269 8888 1A Sunningdale Rd, Portsmouth PO3 6EX
Portsmouth
DP Preservations targets structural issues, timber decay and moisture problems across Portsmouth and Hampshire. Its workforce undertakes rising damp treatments, crack stitching, basement tanking and wall tie replacements for residential properties.
In Portsmouth, damp survey typically costs £155 – £310. Labour in Hampshire runs 4% above the UK median, which accounts for most of the difference from the same job elsewhere.
These are the firms from Google's results for "damp proofing portsmouth". They are ranked on Google rating, online presence and other factors.
The figures above are Portsmouth ranges. These explain what drives them, so you can read a quote properly.
What causes condensation on windows, walls and in the loft, how to stop it with heat, ventilation and less moisture, the Part F fan rules, and how to tell it from a leak or damp.
The signs of woodworm, how to tell old holes from an active infestation, what causes it, DIY against specialist treatment, bats in the loft, and buying a house with woodworm.
What black mould is, how dangerous it is and for whom, how to remove a small patch safely, why bleach falls short, how to stop it returning and who fixes it in a rented home.
No. Most diagnosed rising damp turns out to be condensation, a leaking gutter or a bridged damp course, none of which need injection. Pay for an independent survey from someone who is not quoting for the remedial work.