External wall insulation is an excellent solution for improving energy efficiency, reducing heat loss, and protecting your home or building. Whether you’re planning a retrofit, refurbishment, or new build, external wall insulation can help you meet UK building regulations while lowering energy bills and enhancing the aesthetics of your property.
At The Gutter and Cladding Company, we specialise in high-performance insulation systems, including the versatile Celotex and YBS SuperQuilt insulation. Combining cutting-edge thermal efficiency with stylish cladding options, our solutions deliver comfort, durability, and value for properties across Dorset, Hampshire, Wiltshire, and surrounding areas.
Discover more about our external wall insulation services by speaking to our team today. Call us on 01202 470044 for a free quote.





External wall insulation involves adding a layer of thermal insulation to the exterior surface of a building’s walls. This system is ideal for:
Unlike internal insulation, external systems preserve your indoor space while achieving excellent thermal performance. It also protects walls from weathering, preventing damage caused by moisture, frost, and UV rays. It’s a popular choice for homeowners, builders, and architects aiming to exceed UK building regulations for energy efficiency.
Get in touch with our team today to learn more about adding wall insulation to the exterior of your property. Call us on 01202 470044.



External wall insulation dramatically reduces heat loss, keeping your home warm in winter and cool in summer. This reduces energy usage and lowers your bills while helping to improve your property’s EPC rating.
Since the insulation is applied externally, it doesn’t reduce your indoor living space. This is particularly valuable in homes with smaller interiors.
External insulation is easily combined with a wide range of cladding finishes, such as render, timber, or decorative tiles. These options allow you to improve your home’s energy performance while enhancing its appearance.
External wall insulation acts as a protective shield for your building, reducing the risk of moisture ingress, frost damage, and other weather-related wear and tear.
Investing in external wall insulation improves your property’s energy efficiency and overall kerb appeal, adding long-term value to your home or building.
Speak to our team to learn how your property could benefit from adding exterior wall insulation. Call us on 01202 470044.
At The Gutter and Cladding Company, we recommend Celotex or SuperQuilt insulation for their advanced performance and versatility. These systems use a multi-layered reflective technology to deliver high thermal efficiency in a thin profile, making it perfect for retrofits, refurbishments, and new builds.
By combining thermal insulation with vapour control, Celotex and SuperQuilt ensure an airtight installation that maximises energy savings while preventing moisture build-up.
We are expert installers of this insulation system, so get in touch today to discuss adding enhancing your building’s energy efficiency.


Installing external wall insulation is a straightforward process when handled by professionals. Here’s how it works:
Proper installation ensures optimal thermal performance and long-lasting results.
Book an installation with our professionals by calling us on 01202 470044.
| System | Batten Depth | U-Value (W/m²K) |
|---|---|---|
| Render & Render Board (Solid Brick) | 25mm | 0.34 |
| Render & Render Board (Cavity Wall) | 38mm | 0.19 |
| Cladding (Solid Brick) | 25mm | 0.32 |
All U-Values are BDA Kiwa certified, ensuring compliance with UK building regulations.

External wall insulation is suitable for a wide range of applications, including:
With multiple cladding finishes available - such as timber, render, or decorative tiles - external insulation can suit any architectural style.
Contact our team to discuss adding wall insulation to the exterior of your home. Call us on 01202 470044.
Ready to improve your home or building with high-performance external wall insulation? At The Gutter and Cladding Company, we specialise in tailored solutions using Celotex or SuperQuilt insulation and premium cladding finishes.
Contact us today for a free quote or consultation. Let us help you achieve energy efficiency, meet UK building regulations, and enhance your property’s value.

External wall insulation involves applying a layer of thermal insulation to the exterior surface of a building, improving energy efficiency and weather protection.
Celotex and SuperQuilt use reflective layers to trap heat, achieving high thermal efficiency in a thin profile. It also includes a vapour control layer to prevent moisture issues.
Yes, external wall insulation with Celotex or SuperQuilt exceeds the Part L requirements for U-Values, ensuring compliance with UK standards.
Popular options include render systems, timber cladding, and decorative tiles, allowing you to customise your property’s look.

Choosing the right installer is just as important as choosing the right product. Our customers receive honest guidance, detailed quotations and regular communication throughout their project. Installations are completed by experienced teams using trusted products and appropriate installation systems.
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