Mammoth 12x18 Double Door 12mm Shiplap Garden Shed

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★★★★★ 5*
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144+ Reviews
£3,464.99

Lead Time: 21 Days

Return Delivery

Free 30-days Delivery Returns, Read our returns policy.

Elevate your outdoor storage with the Mammoth 12x18 shed, expertly designed by BestShed for those who demand space, quality, and functionality. This impressive garden shed measures 5385mm x 3730mm externally, providing ample room for your gardening tools, outdoor equipment, or even as a versatile workshop. With a generous internal space of 5245mm x 3590mm, you will find it easy to organize and utilize every inch of this stunning shed.

Constructed with robust 12mm Shiplap walls, the Mammoth shed promises durability and resilience against the elements, ensuring that your valuables are always well-protected. The solid 16mm Buffalo floor offers lasting support while standing up to heavy use, making it perfect for all your storage needs. With a frame expertly crafted from 44mm x 70mm timber, you can rest assured knowing that your structure is built to last.

The stylish design features a double door entrance, making access seamless. The two large windows, glazed with high-quality glass, allow natural light to flood the interior, creating a bright and inviting atmosphere. The internal ridge height of 2644mm ensures you have plenty of headroom, while the eaves height of 2040mm provides excellent airflow.

Whether you envision it as a quaint garden retreat, a practical workspace, or a traditional storage solution, the Mammoth 12x18 by BestShed is your go-to choice for enhancing your outdoor experience. Upgrade your garden space today and enjoy the perfect blend of and functionality.

Internal (mm): 5245 x 3590g
External (mm): 5385 x 3730g
Ridge Height - Internal (mm): 2644
Ridge Height - External (mm): 2826
Eaves Height - Internal (mm): 2040
Eaves Height - External (mm): 2125
Roof Material: 12mm tongue and groove
Floor Material: 16mm Buffalo
Wall Type: 12mm Shiplap
Framing (mm): 44x70
Window Quantity: 2
Glazing Material: glass
Door(s): Double
  • Guarantee: 10-year anti-rot guarantee, alongside a 1-year manufacturer's warranty. – High-quality ironmongery
  • Easy Assembly: Comprehensive instructions and all necessary fittings included
  • Delivered flat-packed for self-assembly.
  • All imperial sizes are approximate.

Shipping Policy for BestShed.co.uk

Thank you for choosing BestShed.co.uk for your garden structures and accessories. Below, you’ll find detailed information about our shipping process and policies to ensure a smooth delivery experience.

Delivery Method
At BestShed.co.uk, we take pride in delivering your orders personally with our own fleet of vans. This allows us to ensure the safe handling and timely delivery of your products.

Delivery Areas
We currently deliver to selected postcodes and areas. You can check if we deliver to your location by entering your postcode during the checkout process. Please note:
- If we cover your area, you’ll see the applicable delivery fee displayed at checkout.
- Certain areas may incur an additional fee, which will also be clearly shown at checkout.

Delivery Times
Our deliveries are made during standard working hours:
Monday to Friday: 8:30 AM – 4:30 PM
Once your order is confirmed, we will contact you to schedule a delivery date and time slot that works best for you. Estimated shipping time is within 14 days but may vary depending on product – this information should be displayed on the product page.

Delivery Fees
Delivery fees are calculated based on your location and will be displayed during checkout. If your area is subject to an additional fee, it will be specified before you complete your purchase.

Mainland England
✅ Free Shipping

South West England
Sheds, Summerhouses & Fencing – £50
Pine Lodge 19mm – £70
Pine Lodge 28mm+ – £200

Wales & Mainland Scotland
Sheds, Summerhouses & Fencing – £50
Pine Lodge 19mm – £70
Pine Lodge 28mm+ – £200

Central & North-East Scotland
Sheds, Summerhouses & Fencing – £85
Pine Lodge 19mm – £105
Pine Lodge 28mm+ – £300

Highlands & Northern Scotland
Sheds, Summerhouses & Fencing – £100
Pine Lodge 19mm – £140
Pine Lodge 28mm+ – £400

If you have any questions or need assistance, please contact us before placing your order.

Contact Information
Address: Tydd Bank, Sutton Bridge, Spalding PE12 9XE
Phone: 01406 307230
Email: info@bestshed.co.uk
Hours of Operation: Monday to Friday, 8:30 AM – 4:30 PM

Additional Notes
We recommend ensuring that someone is available at the delivery address to receive your order.
Please inspect your items upon delivery and notify us immediately if there are any issues.

Thank you for shopping with BestShed.co.uk. We look forward to serving you!

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Mammoth 12x18 Double Door 12mm Shiplap Garden Shed

£3,464.99