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SKU:HarloW4D3

Mercia

Mercia Sherwood Harlow 4mx3m Insulated Garden Room

Mercia Sherwood Harlow 4mx3m Insulated Garden Room

Regular price £11,195.00
Regular price Sale price £11,195.00
Sale Sold out
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The Harlow Insulated Garden Room (4m x 3m) is the perfect modern outdoor extension—ideal as a garden office, gym, or studio. Featuring a bold geometric winged design, EcoQuilt insulation, double glazing, and a long-lasting EPDM rubber roof, this all-season garden room combines style with high performance. Built in the UK with sustainably sourced timber and customisable to your needs. 

Key Features

  • 4m x 3m Contemporary Design – Compact and stylish, fits most garden layouts
  • Year-Round Comfort – EcoQuilt multi-foil insulation in walls, roof, and floor
  • Double-Glazed French Doors & Windows – Improve thermal performance and natural light
  • 50-Year EPDM Rubber Roof – Long-lasting waterproof protection
  • Electrical Ready – Concealed cable management with removable inner wall panels
  • Secure Build – Durable construction with high-quality materials
  • Double Skinned Walls (72mm) – Improved structural integrity and insulation
  • Sustainably Sourced Timber – Manufactured in the UK with eco-conscious practices  

Specifications 

Specification Details
Product Name Harlow Insulated Garden Room – 4m x 3m
Treatment Type Untreated
Installation Fully Fitted
Guarantee 10 Year Anti-Rot Guarantee
Cladding Shiplap+ Tongue & Groove
Wall Thickness 72mm Double Skinned with EcoQuilt Insulation
Roof Material OSB & 12mm Tongue & Groove
Roof Covering EPDM Rubber Membrane (50-Year Life Expectancy)
Floor Material 16mm Tongue & Groove
Door Style Double French Doors
Window Glazing Double Glazed
Building Type Garden Room
Available Variants 3x4m, 4x3m, 4x4m, 5x3m, 5x4m, 6x3m, 6x4m
Customisation Door/window placement, additional glazing optional
Manufactured In United Kingdom
Timber Source FSC-Certified, Sustainably Sourced

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