Installation requires that you purchase the Base Plinth Option above. You MUST have a surface of slabs, concrete or decking. NOT soil or gravel.
The Shire Mammoth 12x18 Workshop is tailored for the doers and creators.where vast space meets impeccable craftsmanship. With its spacious interior and ample natural light, this workshop provides the ideal environment for all your creative pursuits.
For peace of mind, why not have your new Garden Building installed by a Professional Installer.
Please Note: installation can only be carried out onto a flat level surface such as slabs, concrete or decking that is to the Minimum base size stated in the dimensions diagram. The base needs to be sturdy enough to take the weight of your building and there must be at least 2ft or 600mm of clearance around the area.
Enjoy a hassle-free installation from Shire's expert team of fitters. Please note that buildings are delivered and installed within 6-8 Weeks
Please note that adding a Painted Finish can add 2-3 Weeks to your Delivery Time
Beautify and sustainably protect your outdoor space with Thorndown Wood Preservers. Click for Thorndown's full range of colours. All Paints come in a 2.5L Tin. Covers up to 12m² per litre per coat on planed/smooth timber
The Shire Mammoth 12x18 Workshop is tailored for the doers and creators.where vast space meets impeccable craftsmanship. With its spacious interior and ample natural light, this workshop provides the ideal environment for all your creative pursuits.
The 12x18 Shire Mammoth Shed doesn't compromise on strength; it's manufactured with 12mm Tongue and Groove walls and Roof, and a 16mm Thick Buffalo Thick Tongue and Groove floor, making this wooden workshop reliable for years to come. The sturdy construction, coupled with its sleek design, makes it a perfect addition to any backyard or garden.
3730mm (12′ 2″)
5385mm (17′ 8″)
2826mm (9′ 3″)
2125mm (6′ 11″)
1425mm (4′ 8″) x 1805mm (5′ 11″) (aperture)
3730mm (12′ 2″) x 5385mm (17′ 8″) See Floor Plan Diagram
3590mm (11′ 9″) x 5245mm (17′ 2″)
2040mm (6′ 8″) x 2644mm (8′ 8″)
3950mm (12′ 11″) x 5523mm (18′ 1″)
Shires Buildings are designed to be easy to put up so there's no need to worry if you're not a confident DIYer .
High Quality 12mm Shiplap Boards are used for the Shire Summerhouse range ensuring strength and a long life span.
Shires Summerhouses and Sheds come with a protective coating applied. Like all wooden garden products, we do recommend that you paint, stain, or varnish the building as soon as possible and reapply annually.
To ensure both quality and Sustainability, all products are made in the UK using Slow Grown Scandinavian Timber throughout.
All Buildings come with all of the screws and nails necessary for building your shed..
We exclusively use FSC certified timber from responsible sources. Committed to giving back, we support our local community with various initiatives, helping to build a better future for all.