Damp Proofing
Rising damp, penetrating damp, and chemical DPC injection. We diagnose the root cause and apply the right treatment — not just a surface fix.
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Damp Problems Solved. Guaranteed.
Cambridge's Trusted Damp & Waterproofing Specialists
From rising damp to basement tanking — CSSW-qualified surveyors and specialist contractors serving Cambridge and surrounding areas.
CSSW Qualified Surveyors
Certified Surveyor in Structural Waterproofing
Responsive & Reliable
Fast survey bookings, clear communication throughout
Fully Insured & Guaranteed
All work backed by written guarantee
Cambridge & Surrounding Areas
Serving Cambridgeshire and beyond
What We Do
Our Services
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Basement Waterproofing
Type A, B & C waterproofing systems and structural waterproofing. Protect your basement from water ingress permanently.
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Cellar Tanking
Internal and external tanking, cavity drain membrane systems. Convert damp cellars into usable, dry spaces.
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CSSW Surveys
Certified Surveyor in Structural Waterproofing reports and diagnosis. Independent, expert assessments you can rely on.
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Jobs Completed
500+
Damp and waterproofing jobs across Cambridgeshire
Certified Surveyors
CSSW
Qualified in Structural Waterproofing
Guarantee
100%
Written guarantee on all work carried out
Compliant
BS 8102
All waterproofing systems designed to BS 8102:2022
- Step 01
Survey & Diagnosis
We visit your property, assess the damp or waterproofing issue in detail, and identify the root cause — not just the symptoms.
No charge, no obligation
- Step 02
Detailed Written Report
You receive a full written survey report from our CSSW-qualified surveyor, clearly explaining the problem and the recommended solution.
CSSW-certified report
- Step 03
Fixed-Price Quote
We provide a clear, fixed-price quote with no hidden extras. The price we quote is the price you pay — no surprises at invoice.
Written quote, no obligation
Transparent Pricing, Always
We explain exactly what the job involves and why it costs what it costs. No surprise line items after the fact — the price we quote is the price on the invoice.
- Step 04
Expert Treatment
Our specialist team carries out the agreed treatment using industry-leading materials and techniques, working cleanly and efficiently.
Specialist contractors
- Step 05
Guaranteed Sign-Off
We walk through the completed work with you. Nothing is signed off until you're satisfied. Written guarantee provided on all work.
Written guarantee included
Client Reviews
What Our Clients Say
Every review is from a real job, a real client, a real sign-off across Cambridge and Cambridgeshire.
4.9
★★★★★
120+ verified reviewsCambridge homeownersRising Damp Treatment
"We had rising damp in our Victorian terrace for years and tried two other companies before finding Cambridge Damp Specialists. They diagnosed the problem properly, explained everything clearly, and the treatment has been completely effective. No damp, no smell, no issues. The written guarantee gave us real peace of mind. Would recommend without hesitation.
SM
★★★★★
Sarah M.
Rising Damp — Chesterton, Cambridge
The basement quote was exactly what we paid. No extras, no explanations, no negotiation. They turned a flooded cellar into a dry, usable room. Brilliant work.
JT
★★★★★
James T.
Basement Waterproofing — Trumpington
Used them for cellar tanking and booked them back for a CSSW survey on our extension. Same crew, same quality. Rare to find a team you can actually rely on.
HR
★★★★★
Helen R.
Cellar Tanking — Newnham
CSSW Survey
"Our CSSW survey was thorough, clearly written, and gave us everything we needed for our mortgage lender. The subsequent damp proofing work was finished ahead of schedule. The surveyor walked me through every decision before it was made. First time I've been glad a contractor was in my house — and the first time I've recommended one to everyone I know without being asked.
DK
★★★★★
David K.
CSSW Survey & Damp Proofing — Fen Ditton
"
Had three other quotes before this one. They weren't the cheapest, but they were the only ones who could tell me exactly what the job involved and why it costs what it costs. The price held, the timeline held, and when they found a hidden drainage issue mid-job they stopped, called me, explained the options, and waited for my answer before touching anything. Worth every penny — and I'd book them again without a second thought.
★★★★★
MB
Michael B.
Basement Waterproofing — Histon
July 2025
Penetrating damp diagnosed and treated in one visit. Someone was there within 48 hours of calling and the job was finished the same day. Brilliant.
CW
★★★★★
Clare W.
Penetrating Damp — Trumpington
Rising Damp Treatment
"We had rising damp in our Victorian terrace for years and tried two other companies before finding Cambridge Damp Specialists. They diagnosed the problem properly, explained everything clearly, and the treatment has been completely effective. No damp, no smell, no issues. The written guarantee gave us real peace of mind. Would recommend without hesitation.
SM
★★★★★
Sarah M.
Rising Damp — Chesterton, Cambridge
The basement quote was exactly what we paid. No extras, no explanations, no negotiation. They turned a flooded cellar into a dry, usable room. Brilliant work.
JT
★★★★★
James T.
Basement Waterproofing — Trumpington
Used them for cellar tanking and booked them back for a CSSW survey on our extension. Same crew, same quality. Rare to find a team you can actually rely on.
HR
★★★★★
Helen R.
Cellar Tanking — Newnham
CSSW Survey
"Our CSSW survey was thorough, clearly written, and gave us everything we needed for our mortgage lender. The subsequent damp proofing work was finished ahead of schedule. The surveyor walked me through every decision before it was made. First time I've been glad a contractor was in my house — and the first time I've recommended one to everyone I know without being asked.
DK
★★★★★
David K.
CSSW Survey & Damp Proofing — Fen Ditton
Had three other quotes before this one. They weren't the cheapest, but they were the only ones who could tell me exactly what the job involved and why it costs what it costs. The price held, the timeline held, and when they found a hidden drainage issue mid-job they stopped, called me, explained the options, and waited for my answer before touching anything. Worth every penny — and I'd book them again without a second thought.
MB
★★★★★
Michael B.
Basement Waterproofing — Histon
Penetrating damp diagnosed and treated in one visit. Someone was there within 48 hours of calling and the job was finished the same day. Brilliant.
CW
★★★★★
Clare W.
Penetrating Damp — Trumpington
Ready to Solve Your Damp Problem?
Fixed-price quote, guaranteed results. We'll confirm within one business day.