SIP Extensions & Garden Rooms
Build your dream home extension faster and more efficiently with our SIP (Structural Insulated Panels) systems. High-performance, eco-friendly, and beautifully finished.
The Future of Home Extensions: Warmer Roof SIP Kits
Utilising the advanced Warmer Roof Extension Kit, we offer a revolutionary approach to home extensions. Structural Insulated Panels (SIPs) provide a high-performance building envelope that is stronger, greener, and significantly faster to install than traditional brick and block methods. Transform your home with a bespoke space that is built to last.

Our SIP extensions deliver unparalleled thermal efficiency, ensuring your new room remains a comfortable part of your home throughout the year.
Speed of Build & Reduced Waste
Exceptional Energy Efficiency



Whether you are looking to create a modern kitchen extension, a dedicated home office, or a stylish garden room, our SIP systems are completely customisable. The strength of the panels allows for large spans and flexible layouts, giving you the freedom to design a space that truly works for your lifestyle.

Bespoke External Finishes
At Martin Burge & Co, we ensure your SIP extension perfectly matches your vision. The exterior of our panels can be finished in a wide variety of ways—from traditional brick slip systems to modern timber cladding or contemporary render. Paired with a Warmer Roof solid tiled system, your new extension will be the perfect, high-performance addition to your home.
Find answers to the most common questions about building with Structural Insulated Panels.
SIPs offer superior thermal performance, excellent structural strength, and much faster construction times compared to traditional building methods.
Once the foundations are prepared, the primary structure of a SIP extension can often be erected in just 1 to 2 days, making it one of the fastest build systems available.
Yes, SIPs are highly sustainable. They require less energy to heat, produce minimal on-site waste, and use timber from managed forests.
Yes, like any extension, SIP builds must comply with Building Regulations. Our systems are fully engineered to meet and exceed current UK standards.
Absolutely. SIPs are ideal for creating highly insulated, year-round garden offices, studios, or leisure spaces.
We work with you to plan your extension, considering layout, building regulations, and how the new space will integrate with your existing home.
Your SIP kit is manufactured to exact specifications in the factory, ensuring high quality and perfect structural integrity before it even reaches your site.
Once foundations are ready, our team assembles the panels. The structure is often watertight within days, allowing internal works to start much sooner than traditional builds.
We complete your extension with your chosen external cladding or finish and perform all internal plastering and electrical work to deliver a turnkey living space.




