The Flat Pack Sheds 8ft x 20ft Apex Shed comes flat packed and includes express FREE delivery.
At Flat Pack Sheds, we offer a premium range of flat-packed garden buildings delivered fast and free within 3-5 working days, making garden storage easy and hassle-free. Our 8ft x 20ft Apex Shed is designed to stand firm against the harshest British weather, combining timeless craftsmanship with modern durability for an unbeatable garden storage solution.
Designed to Defy the Elements
Crafted from tongue-and-groove cladding panels, the 8ft x 20ft Apex Shed boasts a pre-engineered weather-resistant build. The interlocking tongue-and-groove design ensures water is kept firmly outside, protecting everything inside, no matter the British climate. This shed is perfect for those who need reliable, all-year-round protection for tools, equipment, and outdoor essentials.
Innovative Design with Light & Space in Mind
Optimise your shed’s interior with flexible window placement options, allowing natural daylight to fill the space. This feature helps create a bright, inviting environment—ideal for storing garden equipment or building a workshop.
Robust Construction for Heavy-Duty Use
Unlike conventional sheds, this model features thicker, more durable materials to provide an overall stronger structure. Key specifications include:
- 12mm Swedish Pressure Treated Tanalised Red-Wood Tongue & Groove Shiplap cladding for enhanced weatherproofing
- 38mm x 50mm structural framework throughout, including roof and floor, for superior stability
- 18mm pressure-treated floorboards on bearers to keep moisture at bay and support heavy loads
- 12mm tongue & groove roofing in premium Swedish redwood
- Tough 4mm horticultural glass windows for clear visibility and resilience
- Heavy-duty 40kg modified bitumen mineral felt, hand-nailed for guaranteed waterproofing
- Galvanised nails and double nailing on all clad timber for extra strength
- Fully framed and screwed assembly ensuring stability during construction and long-term use
- Galvanised hinges and Brenton padbolts included for enhanced security
Customised to Your Vision
Manufactured in-house by Flat Pack Sheds, this building can be tailored to your needs. From extra windows and doors to decorative diamond-leaded glass, you have the freedom to personalise your 8ft x 20ft Apex Shed to perfectly fit your lifestyle and garden aesthetics.
Convenient Delivery & Easy Assembly
Your new shed arrives kerbside via pallet courier, complete with all necessary fixings, roofing felt, and precise assembly instructions, making setup a breeze for any DIY enthusiast.
For those wanting to study a broader range of options, check out our comprehensive apex sheds collection featuring diverse sizes and styles to complement any garden.
Ready to enhance your outdoor storage space?
Order your 8ft x 20ft Apex Shed today from Flat Pack Sheds, the trusted name for quality and service. If you’re seeking a blend of style and function, explore our elegant full-height glass apex summer houses to elevate your garden space further.

































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