The key to insulating historic properties lies in using breathable materials that manage moisture effectively. We avoid standard non-breathable products that can trap dampness and cause long-term structural harm to solid walls. Instead, our specialists use advanced solutions such as natural wood fibre or cork-based internal wall insulation. These materials allow the building fabric to breathe, preventing condensation and black mould while significantly reducing thermal bridging. Every installation is meticulously planned to respect the original building envelope, ensuring your property remains healthy and energy-efficient for years to come.

Navigating listed building consent and conservation area rules in Caerphilly can be daunting for many homeowners. Global Energy Insulation takes the stress out of this process by managing the technical requirements of your retrofit. We ensure all insulation methods meet strict UK building regulations while aligning with local planning expectations. By working closely with you, we identify the most effective, non-invasive ways to improve your EPC rating. Our expertise allows us to deliver high-quality thermal upgrades that are discreet, effective, and fully compliant with local heritage guidelines.

Achieving the right look is just as important as the thermal performance of your home. Through our sister company, Global Plastering, we provide expert traditional lime plastering services. This ensures that any internal wall insulation is finished with historically accurate materials that match your property’s aesthetic. By combining our insulation expertise with traditional craftsmanship, we offer a seamless end-to-end service. Whether you have a Victorian terrace or a complex stone-walled property, we restore your walls to a beautiful, breathable finish that respects the history of your home.

Choosing the right contractor is essential when dealing with sensitive heritage structures. Global Energy Insulation is PAS 2030 compliant and holds PAS 2035 retrofit assessment and coordination capabilities, ensuring your project follows a whole-house approach. We are CHAS accredited, fully insured, and backed by the Solid Wall Insulation Guarantee Agency (SWIGA) for your peace of mind. As a local firm based in Ferndale with deep roots across South Wales, we take pride in our commitment to quality and transparency. Please reach out to our team at 01443 809770 to discuss your heritage insulation project and request a free, no-obligation assessment of your property today.