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* Photos and videos are for illustrative purposes only and may differ from the actual product. Products come untreated and natural.
Granny Annexe PREMIUM (SIP Panels), 6.5x4.5 m (21'x15'), 30 m²
A cosy and stylish insulated PREMIUM garden room works as a great base for creating a lovely bureau, workshop, home gym or art studio. Due to large PVC windows and doors paired with the insulation of the SIPs panels, this garden room is not only exceptionally bright and modern but also provides extremely high thermal insulation properties.
Read moreWe'll try to beat it!
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A cosy and stylish insulated PREMIUM garden room works as a great base for creating a lovely bureau, workshop, home gym or art studio. Due to large PVC windows and doors paired with the insulation of the SIPs panels, this garden room is not only exceptionally bright and modern but also provides extremely high thermal insulation properties.
Read moreWe'll try to beat it!
A cosy and stylish insulated PREMIUM garden room works as a great base for creating a lovely bureau, workshop, home gym or art studio. Due to large PVC windows and doors paired with the insulation of the SIPs panels, this garden room is not only exceptionally bright and modern but also provides extremely high thermal insulation properties.
Model Highlights
• Large PVC windows and doors add a contemporary touch to the garden room design.
• A cosy bedroom enables you to comfortably rest when needed.
• A large living room with an open kitchen – for lounging, working, having meetings or simply enjoying your break.
• A dedicated bathroom space for your utmost comfort.
• Insulated walls, roof and floors ensure the optimal temperature in the garden room all year long.
If you have always dreamt of having your own space where you could work, lounge, create art or perform your fitness routine undisturbed, this might be the garden room for you. PREMIUM insulated garden room has dedicated areas and enough space for sleeping, cooking, working and practising various activities. Due to great thermal insulation, the garden room can be used throughout the whole year. Enjoy your undisturbed time and do what you love most in your new dedicated garden space.
Thermal Insulation
This SIPs (Structural Insulated Panel) house features reliable thermal insulation, ensuring your utmost comfort during summer or winter months. It features 124 mm walls (100 mm polystyrene boards in between two 12 mm panels), 174 mm roof (150 mm polystyrene boards in between two 12 mm panels) and 50 mm XPS insulation for the floors, providing warmth and cosiness during any month of the year.
Floor area | 29,25 m² |
Material | SIPs panels (Oriented Strand Board (OSB) and Neopor) |
Roof | Wood trim + 174mm SIPs panel |
Roof Covering Material | EPDM Roof Covering Material |
External dimensions (WxD), Metric | 650 x 450 cm |
Living space | 25,55 m² |
Wall | Wood trim + 124mm SIPs panel + Wood trim |
Ridge Height | 250 cm |
Floor | 50 mm insulation + Laminate |
Doors | 1* 195 x 195 cm; 2* 80 x 195 cm |
Windows | 1* 145 x 55 cm; 2* 95 x 195 cm; 2* 195 x 195 cm |
Total Number of Rooms | 3 |
Anti Rot Warranty | 10 Year |
Wood Treatment | Optional |
Contact us for any advice you may need regarding basic planning permission or building regulation matters. We will always be happy to help you.
10-year manufacturer’s warranty on all our buildings.
All our buildings are carefully designed and made by our highly-qualified and skilled professionals
using only the finest materials. This enables us with great confidence to provide a 10-year warranty
on all our buildings. For more information please read our Terms and Conditions.
We always strive to do our utmost to help you. If you need more information about a product, or advice
on planning permission, scale drawings etc. or possibly you have come across a few unexpected problems
while assembling your cabin. Whatever the matter may be, please always
contact us – we will be happy to help.
Installation service
Our highly-qualified assembly partners will be happy to install any building from our range for you. You can either choose to pay the whole purchase price in one go or pay a 20% deposit, the balance for the installation service is due before delivery of the order. |
Assembly Instructions
Every single step of our product installation is clearly indicated in the assembly instructions. |
All parts are sequentially numbered.
All parts are preciselly marked for you easy to identify which part where belongs. |
Get an installation support & advice.
Please call our customer support department for help and for any questions that you may have. Phone number 02070994301 |
Free delivery to most of mainland UK and Europe
Free delivery to most of mainland England, Wales, France and Germany. We also offer FREE delivery to most other European countries on all orders over £3,000.00. FREE delivery is also available to mainland Scotland on all orders over £3,000.00. |
FAST delivery
Delivery takes 4-8 working days for England and Wales and 8-15 working days to mainland Scotland for all products in stock. For those products which we don't have in stock, delivery takes between 4-6 weeks. We will contact you to arrange a convenient delivery time. |
Delivery to hardly accessible areas Please inform us if delivery place is hard to access - we will organise a special transport solution. |
Professional unloading and convenient storage
We will unload the product package in as convenient place for you as possible. All products are packed in sealed packages for storage in conditions of wet or changeable weather conditions. |
20% | To place an order you can either choose to pay the whole purchase price in one go or pay a 20% deposit. The payment can be made by bank transfer or credit card via our website or over the phone. After the payment has been made you will receive a confirmation email. | 80% |
The balance can be paid by credit card or bank transfer before delivery takes place or by credit card upon delivery. |
Credit card
We accept MasterCard and Visa credit card payments over the phone and via our website. For such payments we employ an extremely secure SSL server, thanks to which your credit card data remains 100% safe. |
Bank transfer
You can also make a payment via bank transfer. You will find our bank details in the last step when placing an order online or in the order email. |