Certified Expertise
We’re fully qualified with CSSW and CSRT certifications — so you can be confident you’re getting expert advice and safe, compliant installation.
Our internal and external wall insulation services are designed to dramatically reduce heat loss and cut energy bills — especially in properties with solid walls or older construction.
Whether you’re insulating from the inside or outside, our team will recommend the most effective solution for your property type and living needs. We ensure that all works are fully compliant with current building regulations, and completed to the highest standard with minimal disruption.
Wall insulation can account for up to 35% of heat loss in uninsulated homes. Investing in proper insulation:
Whether you own a period home, detached house, or terraced property, we’ll guide you towards the most effective insulation system for your walls.
Every home is different—so we don’t take a one-size-fits-all approach.
Our insulation specialists will carry out a full property assessment and recommend the right materials and techniques for long-term performance and visual appeal.
We’re fully qualified with CSSW and CSRT certifications — so you can be confident you’re getting expert advice and safe, compliant installation.
From compact flats to large detached homes, we design every insulation solution to meet your property’s size, structure, and performance goals.
All our insulation work is backed by a 10-year guarantee for total peace of mind and long-terAll our insulation work is backed by a 10-year guarantee for total peace of mind and long-term savings.m savings.
At Renlon Home, we help you insulate your walls the right way — without cutting corners. From reducing thermal bridging and preventing damp to improving overall energy performance, our wall insulation services are tailored to preserve both the function and character of your home.
Explore our FAQs to better understand our internal and external wall insulation services and how they can benefit your property.
Contact UsMost insulation projects typically do not require planning permission, but it's advisable to consult your local authority, especially for listed buildings or properties in conservation areas.
The project's duration and the installed insulation type determine the timeline. We provide an estimated timeline during the initial assessment.
Our insulation materials are engineered for durability and long-term performance. With proper upkeep, they can endure for many decades. Additionally, we offer a 10-year guarantee on all our insulation services.
We specialise in creating tailored insulation solutions that are specifically designed to meet the individual needs and requirements of your home.
Our process begins with an assessment using high tech instruments to select the best insulation for your home. After preparing the walls, we apply the chosen material and seal all joints to prevent heat loss. We then conduct a final inspection and provide a detailed report and warranty.
A member of our friendly team will be more than happy to assist you.