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      SKU:HarloW4D4UPVCG
Mercia
Mercia Sherwood Harlow 4mx4m Insulated Garden Room - (UPVC Windows & Doors) - Grey
Mercia Sherwood Harlow 4mx4m Insulated Garden Room - (UPVC Windows & Doors) - Grey
Regular price
        
          £14,275.00
        
    
        Regular price
        
          
            
              
            
          
        Sale price
      
        £14,275.00
      
    
    
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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.
The Harlow 4m x 4m Insulated Garden Room is a modern, all-season space ideal for a home office, studio, or garden gym. With a bold architectural wing design, Eco-Quilt insulation, double-glazed doors and windows, and a 50-year EPDM rubber roof, it blends high performance with style. Customisable and UK-made from sustainable timber, the Harlow is perfect for adding value, space, and functionality to your outdoor area.Â
Key Features
- Striking Contemporary Design – Features unique winged architecture and clean geometric lines
- Year-Round Use – Insulated walls, roof, and floor keep it warm in winter and cool in summer
- Double Glazing Throughout – French doors and windows provide natural light and insulation
- Removable Internal Panels – Easy to install and conceal electrical wiring for a clean finish
- Superior Roofing – Long-lasting EPDM rubber roof with a 50-year lifespan
- Fully Customisable – Choose window/door locations and upgrade options to suit your needs
- Sustainable Timber – Ethically sourced and manufactured in the UK by skilled craftsmen
- Low Maintenance – Premium cladding and finishes ensure long-term durability and styleÂ
SpecificationsÂ
| Feature | Details | 
|---|---|
| Product Name | Harlow Insulated Garden Room – 4m x 4m | 
| Range | Sherwood | 
| Size Variants | 3x4m, 4x3m, 4x4m, 5x3m, 5x4m, 6x3m, 6x4m | 
| Treatment Type | Untreated (Annual treatment required for guarantee) | 
| Build Method | Fully Installed by Expert Team | 
| Guarantee | 10-Year Anti-Rot Guarantee | 
| Wall Thickness | 72mm Double Skinned with Removable Internal Panels | 
| Roof Material | OSB & 12mm Tongue & Groove | 
| Roof Covering | EPDM Rubber Membrane – 50-Year Lifespan | 
| Floor Material | 16mm Tongue & Groove | 
| Insulation | Eco-Quilt (Walls & Roof), AirTec (Floor) | 
| Doors | Double French Doors (Double Glazed) | 
| Windows | Double Glazed (Configurable Layout) | 
| Door Style | Double Doors | 
| Building Type | Garden Room / Office / Gym / Studio | 
| Manufactured In | United Kingdom (Using Sustainable Timber) | 
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