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      SKU:HarloW4D4UPVCW
Mercia
Mercia Sherwood Harlow 4mx4m Insulated Garden Room - (UPVC Windows & Doors) - White
Mercia Sherwood Harlow 4mx4m Insulated Garden Room - (UPVC Windows & Doors) - White
Regular price
        
          £13,175.00
        
    
        Regular price
        
          
            
              
            
          
        Sale price
      
        £13,175.00
      
    
    
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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.
Create a stylish, all-season extension with the 4m x 4m Harlow Insulated Garden Room. Perfect as a garden office, gym, or extra living space, this UK-made building features a modern winged design, Eco-quilt insulation, and double-glazed French doors. The durable EPDM rubber roof offers 50 years of protection, while removable panels allow for concealed electrics. Fully customizable, sustainably sourced, and professionally installed.
Key Features
- Modern Design: Architectural winged front with clean geometric lines
- Fully Insulated: Eco-Quilt insulation equivalent to 100mm glass wool
- Double Glazing: Keeps warmth in and reduces external noise
- Cable-Ready Walls: Easily removable internal panels for electrical access
- EPDM Rubber Roof: 50-year lifespan, superior to traditional felt roofing
- Premium Build: Double-skinned 72mm walls with tongue & groove cladding
- Sustainable Timber: Ethically sourced and UK manufactured
- Custom Options: Add windows, relocate doors, or adjust layout
Specifications
| Specification | Details | 
|---|---|
| Product Name | Harlow Insulated Garden Room – 4m x 4m | 
| Range | Sherwood | 
| Treatment Type | Untreated (Annual treatment required) | 
| People Required | Fully Fitted (Professional Installation Included) | 
| Guarantee | 10-Year Anti-Rot Guarantee | 
| Cladding Type | Shiplap+ Tongue & Groove | 
| Wall Thickness | 72mm Double Skinned | 
| Roof Material | OSB & 12mm Tongue & Groove | 
| Roof Covering | EPDM Rubber Membrane (50-Year Lifespan) | 
| Floor Material | 16mm Tongue & Groove | 
| Insulation | EcoQuilt in Walls/Roof, AirTec in Floor | 
| Door Style | Double Glazed French Doors | 
| Windows | Double Glazed – Customisable Placement | 
| Building Type | Garden Room / Home Office / Studio / Gym | 
| Manufactured In | United Kingdom | 
| Timber Source | Sustainably Sourced & FSC Certified | 
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