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The 3m x 4m Mercia Insulated Garden Room offers versatile, year-round living or working space with advanced Eco-quilt insulation in walls, roof, and floor. Featuring triple-layer walls, double-glazed argon-filled windows, and a robust EPDM rubber roof, it keeps you warm and protected in all seasons. Made in the UK from sustainable timber, it stands under 2.5m, typically needing no planning permission. Professional installation is included.
Key Features
Spacious 3m x 4m 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 insulated roof and floor
Durable EPDM rubber roof membrane by Firestone
Under 2.5m height, usually no planning permission required*
Made in the UK from sustainably sourced timber
Free professional installation included *Check local authority guidelines
