
Alton Octagonal Cedar Greenhouse- Aluminum Base
Octagonal Cedar Greenhouse
Transform your backyard into a modern oasis with the elegant Octagonal Greenhouse from Alton. Made from beautiful, rot-resistant Western Red Cedar, this spacious greenhouse not only looks great but also offers exceptional functionality. Its high-eaves design maximizes growing space and ensures your plants flourish in a well-ventilated setting, featuring two high-level side louvre vents and two automatic roof vents that respond to temperature changes.
What Makes Alton a Quality Brand?
- Over 100 years of craftsmanship creating cedar greenhouses
- Alton greenhouses utilize Western Grade 1 (no knots) cedar dipped in a special solution to age better and prevent water absorption
- Aluminum foundation profile raises wood framing 1" from the ground to prevent water related rot
- Mortice / tenon and Tongue / groove wood joints used in appropriate locations to help prevent framing from coming loose over time due to wind pressures
- Designed and manufactured in the UK

Make your greenhouse unique
The Alton Octagonal Greenhouse offers multiple customization options. Add 2 side shelving, 3 side shelving or an additional upper shelving. You can also fortify your greenhouse with the Aluminum capping!
Modern Design
Alton has enhanced the Octagonal Greenhouse with stylish aluminum, finished in a soft Moss Green hue for a modern touch. The new aluminum staging shelves have replaced the old wooden ones, providing a sleek and durable surface for organizing your plants. The upgraded standard aluminum guttering, also in Moss Green, contributes to the contemporary look, while the integral, powder-coated metal base plinth guarantees that the greenhouse is both robust and visually attractive.
Every aspect of the Octagonal Greenhouse is meticulously crafted at Alton's UK factory, ensuring outstanding quality and attention to detail. This greenhouse is ideal for gardeners seeking a beautiful and functional structure that elevates both their garden and gardening experience.
Specifications
Glazing: Toughened safety glass with screw in bar clamping (capping)
Frame: Extra strong cedar
9x12
- Length: 11'10'"
- Width: 9'2"
- Peak Height: 9'8"
- Area: 101 sq. ft.
- Doors: Hinged Double Doors
- Windows: 2 Roof Vents, 2 Louvre Window
- Window Openers: 2 Automatic (Roof), 2 Manual (Louvre)
Comes Standard With
- 3mm safety glass with screw in cedar capping
- Hinged lockable double doors - wide opening
- Victorian style aluminum guttering with downspout
- Automatic opening roof vents (2)
- Louvre windows (2)
Can Also Add
- Aluminum bar capping
- Octagonal shelf staging (2) sides
- Octagonal shelf staging infill (3rd side shelf shape)
- Upper shelf (mounts higher in greenhouse)
Octagonal Cedar Greenhouse Manuals