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SKU:HarloW4D4UPVCO

Mercia

Mercia Sherwood Harlow 4mx4m Insulated Garden Room - (UPVC Windows & Doors) - Oak

Mercia Sherwood Harlow 4mx4m Insulated Garden Room - (UPVC Windows & Doors) - Oak

Regular price £14,275.00
Regular price Sale price £14,275.00
Sale Sold out
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The 4m x 4m Harlow Insulated Garden Room is a modern, all-season solution for expanding your living space. Ideal as a garden office, gym, or studio, it features a striking winged design, Eco-quilt insulation, and double-glazed French doors. Built in the UK with sustainable timber, it offers superior weather protection, removable internal panels for electrical access, and a durable 50-year EPDM rubber roof for long-term peace of mind. 

Key Features

  • Architectural Design: Unique winged porch and geometric shape give a modern, standout look
  • Year-Round Comfort: Eco-quilt insulation in roof, walls, and floor equals 100mm of glass wool
  • Energy Efficient: Double-glazed French doors and windows retain heat and block noise
  • Smart Interior Design: Removable internal panels for discreet electrical wiring and cabling
  • Premium Roofing: EPDM rubber membrane roof with a 50-year lifespan for ultimate protection
  • Sustainable & British Made: Crafted in the UK with FSC-certified timber
  • Customisable Layout: Window and door locations can be changed to suit your preferences
  • Full Installation Included: Installed by expert fitters, leaving you with a ready-to-use space 

Specifications 

Feature Details
Product Name Harlow Insulated Garden Room – 4m x 4m
Range Sherwood
Treatment Type Untreated (Requires annual wood treatment)
People Required to Build Fully Fitted by Professional Installers
Guarantee 10-Year Anti-Rot Guarantee
Cladding Shiplap+ Tongue & Groove
Wall Thickness 72mm Double Skinned with Internal Insulation
Insulation Eco-Quilt (walls & roof), AirTec (floor)
Roof Material OSB & 12mm Tongue and Groove
Roof Covering EPDM Rubber Membrane (50-Year Lifespan)
Floor Material 16mm Tongue & Groove
Door Style Double French Doors
Windows Double Glazed – Layout Customisable
Building Type Insulated Garden Room / Office / Studio / Gym
Manufactured In United Kingdom
Timber Source Sustainably Sourced & Certified

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