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Mercia 12 x 8 Premium Garden Room Summerhouse With Side Shed
Mercia 12 x 8 Premium Garden Room Summerhouse With Side Shed
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Mercia 12 x 8 Premium Garden Room Summerhouse With Side Shed
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The Mercia 12x8 Premium Garden Room Summerhouse With Side Shed brings modern design and practical storage together in one premium timber building. Featuring wide bi-fold doors and tall windows for a bright and airy interior, it’s ideal as a garden office, hobby room, gym, or outdoor retreat. The modular side shed can be installed on either end, offering flexible storage for garden tools or equipment. Made in the UK using sustainably sourced wood with shiplap tongue and groove cladding, this structure is built to last and includes a 10 year anti-rot guarantee.
Key Features
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Contemporary Garden Room Design With Modular Side Shed
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12mm Shiplap Tongue And Groove Cladding For Weather Resistance
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Dip Treated Timber With 10 Year Anti-Rot Guarantee
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Includes 2 Full Length Fixed Windows And 3 Glazed Doors
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Bi-Fold Doors Open Fully Into The Garden
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Strong Tongue And Groove Roof And Floor As Standard
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Supplied With Green Mineral Felt, Fixtures And Fittings
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Mortice Lock And Press Lock Included For Security
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Manufactured In The UK From Sustainably Sourced Timber
Dimensions
External Width: 362 cm (11′ 10″)
External Depth: 247 cm (8′ 1″)
Ridge Height: 216 cm (7′ 1″)
Eaves Height: 208 cm (6′ 9″)
Internal Width: 276 cm (9′ 0″)
Internal Depth: 167 cm (5′ 5″)
Side Shed: 73 cm (W) × 228 cm (D)
12X8 Shiplap Pent Summerhouse With Side Shed Manual PDF
Base Requirements
Install on a firm, level base such as paving slabs or concrete; minimum base size should match external footprint: 362 cm × 240 cm
Delivery Information
Delivery within 1-3 weeks to most mainland UK. Some areas may incur a surcharge.
This summerhouse garden room comes flat-packed with full instructions and fixings; minimum 2 people required for assembly.
What to Expect From A Mercia Delivery
Mercia Installation Service

Testimonials
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★★★★★
Absolutely transformed my backyard! The quality is fantastic, and everything feels sturdy and well-made. I’ve already had neighbours asking where I got it from!"
Sarah L.
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★★★★★
"This is hands-down the best purchase I’ve made for my garden. Easy to assemble, looks beautiful, and has held up perfectly through rain and sun."
James R.
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★★★★★
My garden has never looked better! The design is stunning, and the materials are clearly built to last. Worth every penny."
Emily P.