Garden Rooms

But what exactly is a ThermaCore Garden Room?

A ThermaCore Garden Room is a fully self-contained, insulated outdoor building designed for modern living. Constructed with high-performance materials, these rooms feature robust insulation and double-glazed windows and doors to retain heat and provide year-round usability.

We offer 35 standard sizes to suit every garden, with full bespoke design options available. Choose from a wide range of external finishes including beautiful cedar and larch cladding or low-maintenance coloured composite cladding. You can fully customise door and window configurations along with your preferred internal finishes to create a space that is uniquely yours.

Why choose a ThermaCore Garden Room?

In today’s busy world, a dedicated garden room provides valuable extra living space without the need for costly house extensions. Whether you need a peaceful home office, a private gym, a creative studio, or a luxurious entertaining space, a ThermaCore Garden Room delivers.

Thanks to premium insulation and double glazing, these rooms remain warm in winter and cool in summer, significantly reducing energy use. The durable construction and quality materials ensure your garden room will look stunning for years with minimal maintenance.

Design Your Perfect Garden Room

With ThermaCore, the possibilities are endless. Select your ideal layout, choose striking cladding colours, specify door and window designs, and personalise the interior to match your lifestyle. From contemporary composite finishes to natural timber cladding, every detail is tailored to complement your home and garden.

Product Benefits

• Energy Efficient – High-quality insulation and double-glazed glass for excellent thermal performance
• Versatile Sizes – 35 standard sizes plus full bespoke options
• Wide Choice of Finishes – Cedar, larch, and coloured composite cladding
• Fully Customisable – Doors, windows, and internal finishes to suit your needs
• Year-Round Comfort – Designed for all-season use
• Low Maintenance – Durable materials that retain their appearance