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SKU:SI-011-001-0001

Mercia

Mercia 3m x 3m(D) Insulated Garden Room

Mercia 3m x 3m(D) Insulated Garden Room

Regular price £6,600.00
Regular price Sale price £6,600.00
Sale Sold out
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The 3 x 3m Mercia Insulated Garden Room offers year-round comfort with Eco-quilt insulation in the walls, roof, and floor. Built with triple-layer construction, double-glazed argon-filled windows, and an EPDM rubber roof for superior weather resistance, it’s perfect as a home office, studio, or retreat. Crafted in the UK from sustainable timber, this modern garden room is under 2.5m high, so it typically avoids planning permission. Professional installation is included.

Key Features

  • 3 x 3m insulated garden room for all-year use
  • Triple-layer wall construction with Eco-quilt insulation
  • Double-glazed argon-filled windows for warmth and efficiency
  • 16mm tongue & groove roof and floor with insulation
  • Durable EPDM rubber roof for long-lasting weather protection
  • Under 2.5m height — often no planning permission required*
  • Made in the UK from sustainably sourced timber
  • Free professional installation included
    *Check with your local authority to confirm.

Specifications

Feature Detail
Imperial Size 10 x 10 ft
Metric Size 3 x 3 m
Treatment Type Untreated
People Required Fully Fitted (Installation Included)
Guarantee 10 Years (with annual treatment)
Cladding Shiplap+
Cladding Material 16mm Shiplap+ Tongue & Groove
Roof Material OSB & 12mm Matchboard
Floor Material 16mm Matchboard
Roof Type Flat Roof
Roof Covering EPDM Rubber (Firestone)
Door Style Double Door
Building Type Garden Room
Width 10' 5" / 3.18 m
Depth 12' 8" / 3.86 m
Door Width 4' 11" / 1.50 m
Door Height 6' 1" / 1.85 m
Internal Width 9' 10" / 3.0 m
Internal Depth 9' 10" / 3.0 m
Floor Width 10' 3" / 3.12 m
Floor Depth 10' 3" / 3.12 m
Under 25m² Yes

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