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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:
- 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
4.7 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 4
A reliable purchase doing exactly what I expected
Item Package Quantity: 1
Look, you know how it is – what’s a game-changer for one person is just another Tuesday for another. For me, this Puroma Cabin Air Filter with Activated Carbon landed exactly where most good products do: solid and dependable.
It arrived precisely as described, the activated carbon element is there, and it installed without a hitch in my vehicle. The air quality inside definitely feels cleaner, and it's doing its job filtering out the usual suspects. Does it redefine the very concept of cabin air filtration or deliver some earth-shattering innovation? Nah, not really. It’s a well-made, effective replacement that perfectly fulfills its purpose without any fuss or unexpected brilliance.
A reliable purchase doing exactly what I expected. A firm 4 stars.
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Reviewed in the United States on September 9, 2025
★★★★★ 5
Easy Cabin Filter Swap For Cleaner Air
Item Package Quantity: 1
I picked up this Puroma cabin air filter to replace the old one in my Honda and it has worked out very well. It fit the housing just like the original, slid in without any forcing, and the whole swap took only a few minutes. The construction feels solid for the price and the edges seal properly so air is not just bypassing the filter.
After installing it, the air from the vents smelled noticeably fresher, especially when using recirculate. The activated carbon layer seems to help cut down on that stale or slightly musty smell that builds up over time. For something that is easy to forget about, changing this filter makes a real difference in everyday driving comfort.
If you have a compatible Honda or Acura and want an affordable replacement that you can install yourself instead of paying dealership prices, this Puroma cabin filter is a very practical option.
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Reviewed in the United States on December 10, 2025
★★★★★ 5
Great value and works well
Item Package Quantity: 1
Very nice Filter, does a great job.
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Reviewed in the United States on May 30, 2026
★★★★★ 5
A Breath of Fresh Air for Your Car
Size: 8.3" x 9.3" x 1.3"
This BOSCH 6037C HEPA Cabin Air Filter is a fantastic and simple upgrade for your vehicle. It delivers exactly what it promises: cleaner, fresher air inside your car.
The installation was incredibly straightforward. It was a perfect fit for my Acura RDX, and I was able to swap out the old filter in just a few minutes. You don't need any special tools, making this an easy and quick DIY project for anyone.
The difference in air quality is immediately noticeable. The HEPA filtration does a great job of trapping dust, pollen, and other allergens, leaving the cabin air feeling much cleaner. It also seems to reduce outside odors, which is a huge plus.
Overall, this is a high-quality product that provides excellent value. It's an essential and affordable way to improve the air quality in your car. I highly recommend it for any compatible Honda or Acura model.
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Reviewed in the United States on September 1, 2025
★★★★★ 5
High quality cabin filter
Size: 8.3" x 9.3" x 1.3"
I change out the cabin filters in my cars at every oil change. It help when running the A/C all summer. This is high quality cabin filter that does its job. Seeing what the dealer wants for literally 1 minute worth of work is silly.
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Reviewed in the United States on May 13, 2026