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Mercia Sherwood Edwinstowe 3m x 4m Insulated Garden Room
Mercia Sherwood Edwinstowe 3m x 4m Insulated Garden Room
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Mercia Sherwood Edwinstowe 3m x 4m Insulated Garden Room
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The Mercia Sherwood Edwinstowe 3m x 4m Insulated Garden Room is a stylish and functional addition to your outdoor space, offering year-round usability with its innovative design and premium insulation. Constructed with 72mm thick double-skinned walls and finished with Shiplap Tongue and Groove cladding, this garden room provides exceptional durability, weather resistance, and energy efficiency. Whether you need a garden office, gym, or tranquil retreat, this garden room is built to meet modern lifestyle needs. With a 10-year manufacturer’s guarantee, you can invest with confidence, knowing this garden room is designed for longevity.
Key Features
- 72mm Thick Double Skinned Walls: Superior insulation for energy efficiency and year-round use.
- Shiplap Tongue & Groove Cladding: Enhances durability while providing a sleek, modern appearance.
- Double Doors: Provides convenient and wide access to suit various uses.
- OSB & Tongue & Groove Roof Construction: Designed to handle adverse weather conditions with ease.
- 16mm Tongue & Groove Flooring: Durable flooring built to support heavy furniture and equipment.
- Untreated Finish: Ready for customisation with your preferred wood treatment or finish.
- 10-Year Manufacturer’s Guarantee: Assurance of quality and peace of mind.
Dimensions
Roof Width 324cm
Roof Depth 503cm
Base Width 319cm
Base Depth 419cm
Eaves Height 222cm
Ridge Height 240cm
Door Height 185cm
Base Requirements
This garden room requires a firm, level base for installation, such as a concrete pad, paving slabs, or a timber platform exceeding the footprint dimensions (319cm x 419cm) to ensure stability. A level and properly prepared base is essential for successful assembly.
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.