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Alton Wooden Octagonal Greenhouse
The Alton Wooden Octagonal Greenhouse is a statement piece that combines distinctive architectural style with exceptional craftsmanship. Its unique eight-sided design creates a stunning focal point in any garden while maximizing usable space for gardening, entertaining, or simply relaxing in a bright, airy retreat.
Crafted from Grade 1 Western Red Cedar with mortice-and-tenon joinery, tongue-and-groove paneling, and a sturdy aluminum base frame, this greenhouse offers superior durability, weather resistance, and insulation. 3mm toughened safety glass ensures excellent clarity and strength, while the elegant half-boarded cedar panels add warmth, privacy, and character.
Premium Construction
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Mortice-and-Tenon Joinery – Provides superior structural stability and a precise fit for easy assembly.
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Grade 1 Western Red Cedar – Knot-free, naturally rot-resistant, insect-deterring, warp-resistant, and moisture-stable for long life with minimal upkeep.
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Aluminum Base Frame – Elevates the wood away from ground moisture and allows glass panels to rest directly on metal, preventing rot spots.
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Aluminum Roof Capping – Improves weather sealing, extends cedar longevity, and enhances insulation (cedar bar capping also available).
Distinctive Octagonal Design
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Eight-Sided Shape – Creates a dramatic centerpiece and offers enhanced stability compared to traditional rectangular designs.
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Bright & Airy Interior – 9′8″ peak height, tall 6′2″ sidewalls, and wraparound shelving maximize growing space and headroom.
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Double Hinged Doors – 4′9″ wide inward-swinging doors with keyed lock for secure, easy access.
Optimized Growing Environment
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3mm Toughened Safety Glass – Crystal-clear and secure, with a snug fit that eliminates rattling.
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Ventilation System – Two roof vents with automatic openers and two louver vents with manual controls ensure consistent airflow.
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Rainwater Collection – Integrated aluminum guttering with UPVC downpipes included.
Dimensions
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Width: 9′2″
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Length: 11′10″
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Floor Space: 101.4 sq.ft.
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Sidewall Height: 6′2″
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Peak Height: 9′8″
Frame Color: Natural Wood with Moss Green Aluminum Capping
Warranty: 10 years on framing
Made in the UK
Included in Every Kit
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Cedar framing, glazing, and stainless steel hardware
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Base frame and capping (aluminum or cedar option)
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Hinged double doors with keyed lock
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Roof vents with automatic openers (2)
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Louver vents with manual openers (2)
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Wraparound shelving included
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Integrated aluminum guttering with downpipes
Why Choose the Alton Wooden Octagonal Greenhouse?
This model is more than just a greenhouse — it’s an architectural garden feature that can double as a reading nook, hobby space, outdoor dining area, or small event venue. Its distinctive design makes it a conversation starter, while its premium materials ensure decades of beauty and performance. If you don’t see the exact size or setup you need, give us a call and we’ll help you find or customize the perfect model.
Order the Alton Wooden Octagonal Greenhouse today and enjoy a greenhouse that delivers elegance, durability, and versatility in one remarkable structure.
Exaco Warranty Policy – Greenhouses, Garden Structures & More
Exaco stands behind the quality of its products with a 10-year limited warranty covering defects in materials or workmanship. This warranty applies to greenhouses, garden buildings, and other eligible structures purchased through authorized dealers.
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What’s Covered: Manufacturing defects, structural integrity issues, or faulty materials under normal use.
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What’s Not Covered: Normal wear and tear, improper installation, misuse, or damage caused by environmental conditions such as extreme weather.
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Wood Product Maintenance: For wood-based products, periodic upkeep—such as reapplying protective oil—helps maintain color and extend life. Regular care is recommended to ensure warranty validity.
Exaco Return Policy – Custom-Made Greenhouse Orders
Because Exaco products are built to order, all sales are final.
Returns are generally not accepted, but in rare cases, a return request may be reviewed. If you believe your order qualifies for an exception, please contact us to discuss available options.
Exaco Refund Policy – Before Production Begins
Refunds are only available if fabrication has not yet started. Please double-check your order details before submitting, as once production begins, refunds cannot be issued.
Exaco Cancellation Policy – Custom Garden & Greenhouse Structures
Orders may be canceled only if manufacturing has not yet begun. Once fabrication is in progress, cancellations will not be accepted.
Free Nationwide Shipping
We are proud to offer FREE shipping on all orders delivered within the contiguous United States (lower 48 states). Whether you’re ordering a greenhouse, garden building, or outdoor furniture, there are no additional freight costs for standard delivery.
For Alaska or Hawaii shipments, please contact us for available carrier options and a customized shipping quote before placing your order.
Order Confirmation
After placing your order, you will receive an email confirmation verifying that it has been successfully submitted. Our team will then confirm availability with the manufacturer or warehouse.
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If In Stock – The order will move directly into the preparation and shipping process.
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If Backordered – We’ll contact you via email or phone to discuss the expected lead time. If you prefer not to wait, you may cancel for a full refund before production or shipment.
Order Shipment
Orders ship within the lead time displayed on the product page. Shipping timelines can vary depending on the product, manufacturer, and your delivery location.
Once your order ships, you will receive an email with tracking details so you can monitor its progress. Please allow up to 24 hours for tracking to update after dispatch.