
Damp Proofing Across Dorset, Hampshire and Wiltshire
Diagnosis first, then the right remedial specification — never a blanket injection quote.
Covering Dorset · Hampshire · Wiltshire
Book a survey for this issue
1/3Takes under a minute. A qualified surveyor attends — never a salesperson.
No obligation, no sales visit. Your details are used only to arrange the survey.
Damp is rarely one problem. A single wet wall can be rising moisture through failed masonry, water tracking laterally through saturated brickwork, a bridged damp-proof course under a raised path, or condensation collecting on a cold internal surface. Each of those has a different fix, and treating the wrong one is why so many homeowners pay twice.
Every Proofterior job starts with a moisture survey — calibrated meter readings, salt analysis where relevant, external inspection of ground levels, pointing and rainwater goods, and a written report you keep. Only then do we specify works, at a fixed price, carried out by our own directly employed teams.
Within this service
- Rising DampGroundwater drawn up through masonry — and the salts it leaves behind.
- Penetrating DampWater crossing the building fabric sideways, usually driven by wind and rain.
- Damp-Proof CourseThe horizontal barrier that stops ground moisture entering the wall.
- Damp SurveysA document you can act on, argue with, or hand to a solicitor.

From first reading to registered guarantee
The same five stages on every job, whether it is one wall or a whole property.
- 01
Moisture survey
A qualified surveyor takes readings at multiple heights, inspects ground levels and rainwater goods externally, and lifts finishes where necessary to see the substrate.
- 02
Written diagnosis
You receive a report that names the mechanism, shows where it is active, and separates urgent structural work from cosmetic reinstatement.
- 03
Fixed specification
A line-by-line quotation. No day rates, no allowances that grow once the walls are open, and no pressure to sign on the visit.
- 04
Remedial works
Our own teams hack off, treat, re-render with a salt-retardant system and reinstate. Dust control and daily clean-down are standard.
- 05
Guarantee and handover
Photographic records, product data sheets and a 25-year workmanship guarantee registered against the property address.
Everything this specification can cover
Your quotation lists only what your property needs. Anything not required is simply not on it.

- Chemical damp-proof course injection to BS 6576
- Removal of contaminated plaster and salt-laden render
- Salt-retardant renders and breathable finish systems
- External pointing, render and ground-level correction
- Bridging removal — raised paths, debris-filled cavities, high render
- Sub-floor ventilation and airbrick reinstatement
Damp Proofing — answered
Often not. A large share of the walls we survey are wet for a reason that injection would not touch — a bridged DPC, a leaking gully, a failed lead flashing or condensation. We only specify injection where readings and salt profile genuinely indicate rising moisture.
A single wall in an average terraced or semi-detached home is usually two to three days including replastering. Whole-property work runs to one or two weeks. We give you a working programme with the quotation.
New render needs time to cure and release construction moisture. Allow roughly a week per 5mm of thickness before using a mist coat of breathable emulsion, and avoid vinyl papers or oil-based paint for the first few months.
Yes. The 25-year workmanship guarantee is registered against the property, so it passes to a buyer and can be produced for a mortgage valuer or solicitor.

Get a written diagnosis before anyone quotes for damp proofing
A qualified surveyor attends, tests properly and writes it down. No obligation, no sales visit, no charge.
Dorset · Hampshire · Wiltshire