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The 4 x 3m Mercia Insulated Garden Room provides versatile, year-round space with superior Eco-quilt insulation in walls, roof, and floor. Featuring triple-layer walls, double-glazed argon-filled windows, and a durable EPDM rubber roof, it ensures warmth and weather protection. Crafted from sustainable UK timber, this garden room stands under 2.5m, typically avoiding planning permission. Professional installation included for a hassle-free experience.
Key Features
4 x 3m insulated garden room for all-season use
Triple-layer wall design with 44mm Eco-quilt insulation
Double-glazed argon-filled windows for energy efficiency
16mm tongue & groove roof and floor with insulation
Long-lasting EPDM rubber roof membrane by Firestone
Under 2.5m height — usually no planning permission needed*
Manufactured in the UK with sustainably sourced timber
Free professional installation included *Verify with your local authority.
