Delivering a first class service for over 40 years


Intro & Background

For over 40 years, Renlon have led the way in providing waterproofing solutions for below ground structures and elevated decks or podiums. These solutions utilise a range of render and cavity drain membrane systems together with damp proof courses to prevent water from entering and damaging valuable properties and structures.

In addition, we offer treatments for the prevention of dry and wet rot decay within timbers. We operate in accordance with BS 8102:2009, the code of practice for protection of below ground structures against water from the ground.

From heritage buildings and Royal palaces to residential houses with an existing or new basement construction. We regularly provide our specialist services to new build sub-terrain living, which often involves swimming pools, gymnasiums and home cinemas as well as increased living space.

Whether you are an architect, surveyor, building contractor or a householder we offer a complete survey, design and guaranteed installation service to meet your needs. All of our design and remedial solutions carry a 10 year guarantee.

Our Location

Renlon in numbers




Surveying experience


Satisfied customers every month

Why Choose Renlon

Certified Surveyors

Our surveys and inspections are carried out by highly experienced and professional surveyors, who have achieved Certificated in Structural Waterproofing (CSSW) and Certified Surveyor in Remedial Treatments (CSRT) status. The main industry body, The Property Care Association (PCA) awards these qualifications.

Experience and Longevity

We have both experience and longevity, having provided building preservation and structural waterproofing solutions for over 40 years. We design and install all of our own remedial solutions.

Service Quality

We are members of the relevant trade and professional associations, and all aspects of our work are carried out to the ISO 9001:2015 Standard of Quality. A copy of the company’s quality policy is available on request.

Environmental Sustainability

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.

Insurance Backed Guarantees

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. We also offer the option of independent insurance backed guarantees.

Approved Contractor Status

We hold approved contractor status with a number of the leading manufacturers of specialist materials used within our industry.

Request a Survey or Request a Tender

Request a Survey

If you would like to request survey of your own or a client’s property, please fill in this short form.

Request a Tender

If you would like to request that we tender for a prospective project or development, please fill in this short form.