Mercia
The Classic Insulated Garden Room
The Classic Insulated Garden Room
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Installation
Installation
- For professional installation services, please don't hesitate to get in touch — we'd be happy to connect you with trusted specialists. You can reach us at hello@ilysgardenfurniture.co.uk and we'll put you in contact with the right professionals for your needs.
- For those who prefer to self-assemble, installation takes approximately 2 hours. All our products come with clear, easy-to-follow instructions — and our team is always on hand if you need any guidance along the way.
Warranty
Warranty
All our products come with a generous warranty, with coverage ranging from 1 to 10 years depending on the product. For full details on the warranty applicable to this item, please refer to the product description or feel free to contact us at hello@lilysgardenfurniture.co.uk — we'll be happy to help.
Shipping
Shipping
Shipping is FREE on all orders delivered within the United Kingdom.
We don't believe in fine print or hidden charges — we like to keep things simple and transparent.
Delivery Timeframe All orders are delivered within 5–10 working days from the date of dispatch.
Please note that all our deliveries are kerbside. This means your items will be delivered to the nearest accessible point at the front of your property — typically your driveway or entrance. Due to insurance restrictions, our couriers are unable to enter beyond this point, and we kindly ask that this is taken into account when planning your delivery.
If you have any questions about your delivery, feel free to reach us at hello@lilysgardenfurniture.co.uk — we're always happy to help
The Classic Insulated Garden Room
Add versatile, usable space to your home with the The Classic Insulated Garden Room. This insulated garden room is designed for year-round potential, making it a strong choice for a home office, studio, hobby room, gym or additional relaxation space without the complexity of a traditional extension.
Key Benefits
- Versatile additional space for work, hobbies, fitness or relaxation
- Insulated construction supports more comfortable year-round use
- A practical way to add usable garden space without a conventional extension
Product Details
- Cladding: Shiplap+
- Roof material: OSB & 12mm Matchboard
- Floor material: 12mm Matchboard
- Floor material: 16mm Matchboard
- Roof style: Flat Roof
About This Product
Mercia The Classic Insulated Garden Room
Mercia The Classic Insulated Garden Room is a insulated garden room for year-round work, leisure or extra living space. This 3m x 3m Insulated Garden Room is an incredibly versatile building that can be used all year round thanks to the Eco-quilt insulation that features in the walls, roof and floor.
Key Features
- Cladding: Shiplap+
- Roof material: OSB & 12mm Matchboard
- Floor material: 12mm Matchboard
- Floor material: 16mm Matchboard
- Roof type: Flat Roof
This 3m x 3m Insulated Garden Room is an incredibly versatile building that can be used all year round thanks to the Eco-quilt insulation that features in the walls, roof and floor. The walls are consist of three layers, a 16mm tongue and groove outer layer, a 44mm gap in the middle that is filled with insulation, and a 12mm tongue and groove inner wall. The thick walls mean heat is trapped in and any entering noise from the outside is greatly reduced.
Each window used in this building is double glazed as standard and filled with argon, helping to retain the warmth all year round. The roof and floor are built using 16mm tongue and groove cladding and also utilise the same Eco-quilt insulation within their construction. We use an EPDM rubber to cover the roof of this building, EPDM is a membrane designed by Firestone that offers incredibly resilient and long lasting protection against the British weather.
Mercia Insulated Garden Rooms are manufactured here in the UK, using sustainably sourced and regulated timber. An added bonus with this Insulated Garden Room is that it does not require planning permission from the local authorities because it is under 2.5m in height. We do advise you check with your local authority to confirm this. All of our insulated garden rooms are fully installed for you as part of the price you pay, meaning all you have to do is sit back and relax whilst our installers erect your new building.
Explore this insulated garden rooms option from Mercia for a durable and practical addition to your outdoor space. Please check the dimensions and product specifications before ordering.
Why Choose This Garden Building?
Whether you are upgrading an established garden or planning a completely new outdoor layout, this product offers a practical way to make better use of your available space. Its design combines functionality with an attractive garden-ready appearance, making it suitable for both everyday use and longer-term outdoor projects.
Please note: Always check the stated dimensions, base requirements, assembly information and maintenance guidance before ordering to ensure the product is suitable for your intended location.
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