SKU: 33676892890

Mercia Sherwood Harlow 4mx3m Insulated Garden Room

Sale price$5037.75 Regular price$5597.50
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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12

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Description

Mercia Sherwood Harlow 4mx3m Insulated Garden RoomThe Harlow Insulated Garden Room (4m x 3m) is the perfect modern outdoor extensionideal 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

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
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 33676892890

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María Camila
Draper, US
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Color: Dark Tortoise, Size: 55-18-140, Color: Dark Tortoise, Size: 55-18-140
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Anneta Mattocks
Boise, US
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Color: Black, Size: 51/17/145
Great look and affordable.
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Katheryn Rodríguez Colina
Natrona Heights, US
★★★★★ 5
Lentes graduables
Color: Black, Size: 51/17/145
Súper finos y lindos
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Jessica
Dallas, US
★★★★★ 5
Corren pequeños
Color: Black, Size: 51/17/145
Corren pequeños!
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Reviewed in the United States on December 4, 2025
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I didn't receive the item i am waiting for my money to come back i would be calling at customers services
Waukegan, US
★★★★★ 5
Glasses
Color: Black, Size: 51/17/145
Beautiful glasses. So.e people asked me where I bought them. It is so cute.
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Reviewed in the United States on September 6, 2025

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