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Proofterior
Proofterior plastering team finishing a treated wall
About Proofterior

A damp company that starts with the diagnosis, not the quotation

Proofterior Group is a property care contractor based on the south coast. We survey, specify and carry out damp proofing, timber treatment, waterproofing and the building work that goes with it — with our own employed teams.

Covering Dorset · Hampshire · Wiltshire

750+
Homeowners protected
4.9
Average review score
25yr
Workmanship guarantee
100%
In-house survey teams

Book a complimentary survey

1/3

Takes under a minute. A qualified surveyor attends — never a salesperson.

What are you seeing in the property?

No obligation, no sales visit. Your details are used only to arrange the survey.

Our story

Built out of frustration with how damp is sold

Damp is one of the few trades where the person diagnosing the fault also sells the remedy — and where the remedy is frequently the same regardless of the fault. That is how homeowners end up with an injected damp-proof course in a house whose real problem was a blocked gully, a bridged cavity or a cold external wall.

Proofterior was set up to separate those two things. Our surveyors are paid to be right, not to sell a system. If your wall is wet because of condensation, you get a ventilation and heating strategy. If it is wet because a chimney has failed, you get the chimney repaired. If it genuinely is rising damp, you get a specified, guaranteed damp-proofing system installed by people we employ.

Today we work across Dorset, Hampshire, Wiltshire, on everything from Victorian terraces in Bournemouth and Poole to solid-wall cottages inland and portfolio properties for landlords and managing agents.

750+
Homeowners protected
4.9
Average review score
25yr
Workmanship guarantee
100%
In-house survey teams
Proofterior technician beside a liveried company van
Cavity drain membrane being installed to a basement wall
Proofterior van fleet outside the depot
Surveyor inspecting a treated wall in full PPE
How we work

Four principles that decide every specification we write

01

Diagnose before you specify

Every survey starts with moisture readings, hygrometry and a look at the building fabric — not a product list. A large share of the walls we attend do not need chemical injection at all, and we will say so in writing.

02

Employed teams, not subcontractors

Surveyors and technicians are on our payroll. The person who diagnoses the problem is accountable to the person who fixes it, and both are accountable to you. Nothing is sold on to a third party.

03

Written, photographed, evidenced

You receive readings, photographs and a specification you can hand to a solicitor, lender or managing agent. Every live job is photographed stage by stage and handed over as a record.

04

One trade, whole envelope

Damp rarely sits in isolation. Because we also carry out roofing, masonry protection, insulation and plastering in-house, we can treat the cause and repair the consequence without three separate contractors.

The people

The team who will actually attend your property

Five names, five faces. You will meet at least one of them, and they are the same people from survey through to handover.

Meet the team
Finished living room after Proofterior remedial works
Complimentary survey

Find out what is actually wrong with the wall

A qualified surveyor attends, tests properly and writes it down. No obligation, no sales visit, no charge.

Dorset · Hampshire · Wiltshire