Experts in Basement Waterproofing for over 40 years
Renlon are leading specialists in structural waterproofing and building preservation for both residential and commercial properties
Upcoming Online CPD
Below Ground Waterproofing: Managing Risk in Refurbishment & New Build.
Date: Wednesday 4th March 2026
Time: 12:00 UK Time
We recommend Renlon as they are a long-established company with a proven track record.
We found the Renlon team to be helpful and the operatives were diligent in ensuring that their installation was being carried out to the highest standards to ensure that no further ingress ensued. I would have no hesitation in using Renlon again and indeed look forward to working with their team again.
When it comes to structural waterproofing there are loads of commentators that talk a good game, but Renlon can stand out from the crowd with their dedication and superior waterproofing strategies. Their surveyors offer knowledge and expertise throughout a project, ensuring a project complies with BS8102:2009 and that designs are successful. Keep up the great work Renlon, you’re helping to bring our industry great results.
About Renlon
Our experienced team of certified surveyors, project managers and technicians are specialists in Basement Waterproofing, Timber Infestation and Rising Damp.
Certified
Our surveys and inspections are carried out by highly experienced and professional surveyors. All surveyors are fully Certified in Structural Waterproofing (CSSW) and Remedial Treatments (CSRT).
Sustainable
Sustainability and protection of the environment are very important to us. All of the materials we use are non-toxic or have very low toxicity.
Guaranteed
As a long established and certified provider, we are able to offer long-term guarantees for our structural waterproofing systems, remedial damp solutions and timber treatments.
Waterproofing
Full guarantee backed systems for both internal and external waterproofing for below ground structures and elevated decks.
Timber Infestation
A range of treatments to rectify and prevent dry and wet rot decay to structural timber and joinery.
Rising Damp
A range of render and membrane systems as well as damp proof courses to rectify and prevent damp penetration.
Listed Heritage & Historic Buildings
We are specialists in designing and installing both waterproofing systems and remedial solutions in listed heritage and historic buildings.
The system and materials used will always be considerate to the fabric of the building and guaranteed for a period of 10 years.
We have completed numerous projects on historic buildings including the Houses or Parliament in London and the world’s first University Museum in Oxford.