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SKU:HarloW3D4UPVCW

Mercia

Mercia Sherwood Harlow 3mx4m Insulated Garden Room - (UPVC Windows & Doors) - White

Mercia Sherwood Harlow 3mx4m Insulated Garden Room - (UPVC Windows & Doors) - White

Regular price £11,085.00
Regular price Sale price £11,085.00
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The Harlow Insulated Garden Room with Anthracite UPVC offers a premium, all-year-round solution for extra living space, a home office, or garden gym. Featuring double-glazed UPVC windows and French doors, Eco-quilt insulation, and a striking modern design with a sheltered winged porch, it's secure, durable, and fully customizable. Crafted in the UK using sustainably sourced timber and built to last. 

Key Features

  • Year-Round Comfort – Eco-quilt multi-foil insulation in roof, floor, and walls
  • UPVC Anthracite Finish – Stylish, low-maintenance, and modern aesthetic
  • Double-Glazed Doors & Windows – Improved thermal performance and noise reduction
  • Superior Security – Enhanced multi-point locking system for peace of mind
  • Unique Wing Design – Distinctive geometric shape with sheltered porch area
  • Custom Finishes – Available in Anthracite, White, Oak, and Timber options
  • Electrical-Ready – 100mm double-skinned walls with removable panels
  • 50-Year Roof Membrane – EPDM waterproof rubber for exceptional durability
  • Tailored Layouts – Flexible options for window additions or door relocation
  • British Craftsmanship – Manufactured in the UK with FSC-certified timber 

Specifications 

Feature Details
Building Type Insulated Garden Room
Range Sherwood Premium Collection
Finish Options Anthracite, White, Oak UPVC + Optional Timber Variants
Wall Construction 100mm Double-Skinned with Removable Panels
Insulation Eco-Quilt Multi-Foil (Roof, Walls & Floor)
Roof Type Flat with Unique Wing Design
Roof Covering EPDM Rubber Membrane (50-Year Lifespan)
Windows & Doors Double-Glazed Anthracite UPVC
Security Upgraded Multi-Point Locking System
Customisation Window additions, door relocation, size adjustments
Installation Fully Installed (Solid, level base required)
Treatment Untreated – Requires annual wood preservative application
Guarantee 10-Year Anti-Rot Guarantee
Manufactured In United Kingdom
Sustainability FSC-Certified Timber

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