SKU: 7795897485

Mercia 4m x 3m(D) Self Build Insulated Garden Room

Sale price$3051.00 Regular price$3390.00
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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2

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Description

Mercia 4m x 3m(D) Self Build Insulated Garden RoomTransform your outdoor space with the 4 x 3m Mercia Self Build Insulated Garden Room the perfect solution for a home office, studio, or hobby space. Built with 72mm double skinned insulated walls, double glazed windows, and a fully insulated roof and floor, its ideal for year round use. The modular design offers flexible door and window placement, while the sleek pent roof ensures durability, style, and excellent rainwater run off. Made in the UK with

Transform your outdoor space with the 4 x 3m Mercia Self-Build Insulated Garden Room — the perfect solution for a home office, studio, or hobby space. Built with 72mm double-skinned insulated walls, double-glazed windows, and a fully insulated roof and floor, it’s ideal for year-round use. The modular design offers flexible door and window placement, while the sleek pent roof ensures durability, style, and excellent rainwater run-off. Made in the UK with sustainable timber.

Key Features

  • Spacious 4 x 3m insulated garden room for all-year use
  • 72mm thick double-skinned walls with full insulation
  • Double-glazed windows for warmth and energy efficiency
  • Modular design allows custom door and window placement
  • Contemporary flat pent roof with high-grade mineral felt
  • Manufactured in the UK using sustainably sourced timber
  • Fixtures, fittings, instructions, and video guide included
  • 10-year anti-rot guarantee (annual treatment required)

Specifications

Feature Detail
Imperial Size 14 x 11 ft
Metric Size 4 x 3 m
Treatment Type Untreated
Guarantee 10 Years (with annual treatment)
Cladding Shiplap+
Roof Material Tongue & Groove
Floor Material Tongue & Groove
Roof Type Pent
Door Style Double Door
Building Type Garden Room
Width 13' 8" / 4.17 m
Depth 10' 11" / 3.34 m
Eaves Height 7' 2" / 2.2 m
Ridge Height 7' 8" / 2.36 m
Door Width 4' 11" / 1.51 m
Door Height 6' 0" / 1.85 m
Internal Width 13' 1" / 4.0 m
Internal Depth 9' 10" / 3.0 m
Floor Width 13' 6" / 4.14 m
Floor Depth 10' 3" / 3.14 m
Under 25m² Yes
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: 7795897485

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4.4 ★★★★★
Based on 8 reviews
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Verified Purchase
Never leave your house
Los Angeles, US
★★★★★ 5
good product
Size: 6FT*6FT, Color: Bright Yellow, Size: 6FT*6FT, Color: Bright Yellow
work beans sturdy and versitle easy install people said it bad because they are dorf hellen Kellers
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 19, 2026
A
Verified Purchase
Amazon Customer
Natrona Heights, US
★★★★★ 1
Not worth it!
Size: 6FT*6FT, Color: Black
These are the terrible. They keep falling down. The bottom part doesn't stay tight so it keeps turning making it in possible to stay standing. Its the absolute worst!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2026
T
Verified Purchase
Teri Beth
Carnegie, US
★★★★★ 5
Good quality
Size: 6FT*6FT, Color: Black
Great privacy for our baby to sleep
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
E
Verified Purchase
Erlinda Calma
Dallas, US
★★★★★ 5
Devider for his room
Size: 6FT*6FT, Color: Bright Yellow
Its a gift for my son he loved it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
M
Verified Purchase
michael
Houston, US
★★★★★ 4
Decent value for the money.
Size: 6FT*6FT, Color: Grey
Was easy to assemble. Instructions were clear. Tools were supplied. It really needs to be assembled wherever you're going to be putting it as it can come apart easily when moved. The cross bars simply fit into open ended plastic 90 degree female ends. Overall for the money and to just have some division in a room it's a good value.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 23, 2025

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