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      SKU:EdwinW3D4UPVCG
Mercia
Mercia Sherwood Edwinstowe 3mx4m Insulated Garden Room - (UPVC Windows & Doors) - Grey
Mercia Sherwood Edwinstowe 3mx4m Insulated Garden Room - (UPVC Windows & Doors) - Grey
Regular price
        
          £11,805.00
        
    
        Regular price
        
          
            
              
            
          
        Sale price
      
        £11,805.00
      
    
    
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- Free UK Delivery *
- 4 - 6 Weeks
- We accept major credit card providers including Mastercard, Visa, Discover and American Express as well as PayPal. See our footer menu for all payment methods.
Transform your outdoor space with the Edwinstowe 3m x 4m Insulated Garden Room—ideal for a home office, gym, or guest room. Built for year-round use, it features double-skinned insulated walls, double-glazed French doors, and an EPDM rubber roof with a 50-year lifespan. With clean, contemporary design and made in the UK from sustainable timber, it blends beauty, comfort, and energy efficiency in one premium garden building.
Key Features
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Year-Round Use
 Fully insulated walls, roof, and floor using EcoQuilt multi-foil technology.
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Double Glazed Windows & French Doors
 Ensures excellent thermal performance, sound insulation, and security.
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Internal Cable Access Panels
 Easily conceal electrical wiring for a tidy, professional look.
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Long-Lasting EPDM Roof Membrane
 Weatherproof rubber roofing with a 50-year life expectancy.
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Customisable Design Options
 Choose door/window locations or upgrade to add more glazing.
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Sustainably Sourced Timber
 Crafted in the UK from responsibly managed woodlands.
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10-Year Anti-Rot Guarantee
 Long-lasting performance with annual treatment.
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Home Installation Included
 Professional on-site assembly ensures stress-free setup.
Specifications
| Feature | Details | 
|---|---|
| External Size | 3m x 4m (Approx.) | 
| Wall Thickness | 72mm Double Skinned with EcoQuilt Insulation | 
| Cladding | Shiplap+ Tongue & Groove | 
| Roof Material | OSB + 12mm Tongue & Groove with EPDM Rubber Membrane | 
| Floor Material | 16mm Tongue & Groove | 
| Door Style | Double French Doors (Double Glazed) | 
| Window Type | Double Glazed – Customisable | 
| Treatment | Untreated – Requires Annual Maintenance | 
| Guarantee | 10-Year Anti-Rot (with proper care) | 
| Building Type | Insulated Garden Room | 
| Made In | United Kingdom | 
| Timber Source | Sustainably Sourced & Certified | 
| Installation | Included – Firm, level base required | 
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