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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
Sale Sold out
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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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