Private
Project Location: The banks of the New River
Client: Private
Since our founding, we’ve established ourselves as a trusted name in building preservation. We are a member of the London Waterproofing Group LTD, and with over 40 years of experience, we have developed unparalleled expertise in protecting and improving properties across the UK.
Our work has ranged from homes and commercial buildings to prestigious heritage sites, including royal palaces and the university museum in Oxford.
Our company culture is grounded in expertise, honesty, and doing the job right. We believe in clear communication, straightforward advice, and treating every property as if it were our own.
Every project starts with a proper assessment so we can tackle the real cause of the problem, not just the symptoms. It’s this focus on quality and care that gives us great reviews and keeps clients coming back to us, time and time again.
At Renlon, we’re constantly developing better solutions for our clients and the properties that we work on. Our innovation has led to the creation of proprietary products that offer significant advantages over traditional methods.
RenStrength is our revolutionary waterproofing system that eliminates the need to remove existing renders. This breakthrough technology applies directly over failed waterproofing systems, significantly reducing project timelines and disruption.
We are also excited to introduce RenTherme…
We provide comprehensive building protection services, including structural waterproofing, basement waterproofing, damp proofing, timber treatments, heat loss, and gas protection. Working with contractors, architects, surveyors, and real estate owners, we deliver solutions that protect and improve buildings.
Our case studies showcase our capabilities across diverse projects, while our testimonials provide a great example of the results we achieve for clients. Sustainability considerations are integrated into all our recommendations, offering a perfect way to protect buildings while respecting our environmental responsibility.

Project Location: The banks of the New River
Client: Private

Project Location: Corbridge Crescent
Client: Trac Construction / HG Construction

Project Location: Clerkenwell, EC1
Client: Victorian Grade II listed building
Here are some common questions about Renlon. We're always happy to provide more information about our company and services.
Contact UsOur four decades of experience, combined with continuous professional development, give us a unique insight into building preservation challenges.
While many companies offer individual services, we provide comprehensive solutions addressing waterproofing, damp, timber, and gas protection under one roof.
Plus, our work on heritage buildings demonstrates our capability to handle even the most sensitive and complex projects.
Our surveyors hold multiple industry certifications, including CSSW (Certified Surveyor in Structural Waterproofing), CSRT (Certified Surveyor in Remedial Treatment), CSTDB (Certified Surveyor in Timber Decay and Beetle Infestation), and CSDV (Certified Surveyor in Dampness and Ventilation).
Every project begins with a thorough assessment by qualified surveyors, followed by detailed specifications and implementation by experienced technicians.
We are so confident in our work that we offer a 10-year guarantee on all our solutions, products, and installations.