SKU: 69223770649

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

Sale price$6423.75 Regular price$7137.50
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Ships within 48 hours · Estimated delivery Aug 29 - Sep 3

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Description

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

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
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: 69223770649

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4.9 ★★★★★
Based on 6 reviews
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Verified Purchase
Bekki Kilpatrick
Alexandria, US
★★★★★ 5
Great Cat Gift
Size: Large - 27" H, Size: Large - 27" H
I thre some catnip at it and she loved it. She scratched on it all the time now. It’s sturdy for to to rub against and really go at it. I’m so glad I got it. It’s cute too.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 14, 2026
G
Verified Purchase
greg walsh
Los Angeles, US
★★★★★ 5
Great purchase!
Size: Large 30.7” (77.9cm) H, Size: Large 30.7” (77.9cm) H
Easy to put together. Light but sturdy. My cat took to it right away. Will buy again once worn out!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
L
Verified Purchase
Lisa morin
West Palm Beach, US
★★★★★ 4
Good value for price
Size: Medium - 25.6" H
Easy to put together, aesthetically pleasing. It is relatively sturdy for a cat scratcher. Kat does not seem super interested in this one and we have several others that he is so I’m not sure what happened there.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 8, 2026
C
Verified Purchase
Carmelita
Boise, US
★★★★★ 5
Scratching performance is great...it looks like a durable item...
Size: Medium - 25.6" H
My cats went crazy with it..they love it and you hear scratching...
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2026
R
Verified Purchase
Robin Rentas Burnett
Charlottesville, US
★★★★★ 5
Well made and so Cute so easy to assemble
Size: Large - 27" H
This is really cute and comes in different sizes, so be careful, I almost got a size too small. Adorbs, they play with it throughout the day, my couch and I are so happy with it :D
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 10, 2025

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