Mercia Sherwood Harlow 3m x 4m Insulated Garden Room

The Harlow Insulated Garden Room (3m x 4m) offers a stylish and functional space for a home office, gym, or studio—designed for year-round use. Featuring a modern winged exterior, EcoQuilt insulation, double glazing, and a 50-year EPDM roof, it ensures durability and comfort. Manufactured in the UK with sustainably sourced timber, this customisable garden room blends style and substance effortlessly. 

Key Features

• 3m x 4m Contemporary Design – Compact yet spacious for various uses
• All-Season Use – EcoQuilt multi-foil insulation in walls, roof & floor
• Double-Glazed French Doors & Windows – For natural light and energy efficiency
• EPDM Rubber Roof – Waterproof and designed to last 50 years
• Concealed Wiring Ready – Easily removable interior wall panels for cabling
• 72mm Double Skinned Walls – Excellent thermal and structural performance
• Eco-Friendly Timber – FSC-certified and UK-manufactured
• Customisable Options – Window/door placement and size variants available 

Specifications