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Mercia 3m x 4m The Edwinstowe Insulated Garden Room with White UPVC
Mercia 3m x 4m The Edwinstowe Insulated Garden Room with White UPVC
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Mercia 3m x 4m The Edwinstowe Insulated Garden Room with White UPVC
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Upgrade your outdoor space with the Mercia Edwinstowe Insulated Garden Room 3m x 4m, a versatile and stylish addition designed for year-round use. Whether you need a garden office, guest room, or extra living space, this contemporary garden room is built to accommodate various lifestyle needs.
Constructed with Eco-quilt multi-foil insulation throughout the walls, roof, and floor, this garden room offers exceptional thermal efficiency, comparable to 100mm of glass wool insulation. Double-glazed windows and French doors provide a warm, inviting atmosphere while enhancing energy efficiency. The 100mm double-skinned walls include a removable internal panel, allowing for easy installation of electrical wiring, keeping cables concealed for a neat finish.
The roof features a waterproof rubber membrane, designed to last for 50 years, ensuring long-term durability and weather resistance. A sleek, modern aesthetic with clean lines and elegant angles makes this garden room a stunning feature within any garden.
Key Features
- Year-Round Usability – Fully insulated with multi-foil Eco-quilt insulation for optimal temperature regulation.
- Durable Construction – 100mm double-skinned walls with an internal panel for concealed wiring.
- Energy-Efficient Windows & Doors – Double-glazed windows and French doors for improved insulation.
- Long-Lasting Roof – Covered with a 50-year waterproof rubber membrane.
- Customisable Design – Options to add extra windows or adjust the door location to suit your needs.
Dimensions
- Roof Width: 324cm (10’7”)
- Roof Depth: 503cm (16’6”)
- Base Width: 319cm (10’5”)
- Base Depth: 419cm (13’9”)
- Eaves Height: 222cm (7’3”)
- Ridge Height: 240cm (7’10”)
- Door Height: 185cm (6’0”)
Base Requirements
A firm, level base is required for installation. Concrete, paving slabs, or timber decking are recommended options to ensure structural stability.
Delivery Information
Free delivery is included within the UK, with a delivery timeframe of 4–6 weeks as they are made to order and include installation as standard. You will receive an SMS or email notification to arrange a suitable delivery date. Please ensure access to the delivery site is clear for smooth unloading.

Testimonials
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★★★★★
Absolutely transformed my backyard! The quality is fantastic, and everything feels sturdy and well-made. I’ve already had neighbours asking where I got it from!"
Sarah L.
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★★★★★
"This is hands-down the best purchase I’ve made for my garden. Easy to assemble, looks beautiful, and has held up perfectly through rain and sun."
James R.
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★★★★★
My garden has never looked better! The design is stunning, and the materials are clearly built to last. Worth every penny."
Emily P.