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12x20ft (3.8x6.4m) Elite Glasshouse

12x20ft (3.8x6.4m) Elite Glasshouse

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Winter Gardenz’ stunning 12ft series is part of our architectural series, standing at nearly 4m tall (2.4m to the eave, 3.9m to the roof) and offering a spacious 3.8m width over a range of lengths. The 12ft series offers a significant step up from the 8ft/10ft Elite range, both in terms of height and interior living space.

Built to Winter Gardenz exacting standards, the 12ft series is constructed from durable, quality materials. The aluminium and glass structure is supported by a galvanised steel substructure, and all structural components are powder-coated with a quality Dulux finish, to provide a low maintenance and easy-clean surface for years to come.

The 12ft series comes with one set of double-hinged lockable doors as standard, and both roof and louvre vents to provide adequate ventilation. Additional doors, vents, and shelving can also be added if required.

The 12ft series is a durable and elegant structure that will stand the test of time. This greenhouse is the "Elite" model, which means it is designed to sit on a base of your choice (brick is common, but we also see people do concrete or timbre). This model is 12ft wide by 20ft long, or 3.8m wide by 6.4m long.

If you would like a quote on your architectural glasshouse, please click the "Get a Quote" button below and fill out the form. Please note, only the residential ones can be purchased as kitset. These are the 6, 8 and 10ft wide series. The 12ft wide models and larger are considered custom/architectural and are done by quote and built by our team.

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Width 3844mm (12ft approx)

Length 6386mm (20ft approx)

Height (to gutter) 2400mm (8ft approx)

Height (to roof ridge) 3900mm (13ft approx)

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Elite models come with the following accessories: Autovent openers for each roof vent, full shade cover for the length of the greenhouse, 1 set of 3-tier shelving the lenght of the greenhouse, and hanging brackets. However, you may want to order louvres, more shelving, garden beds or other accessories, which you can find below.

Everything You Need to Get Growing with Confidence

Discover practical tips, regional guides, and real-life stories to help you get the most out of your Winter Gardenz glasshouse. From choosing the right size to setting up your structure and locating trusted local retailers, our resources are here to support your growing journey.

  • FAQs

    Get answers to common questions about assembly, shipping, materials, and more.

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  • Position Your GreenhousePosition Your Greenhouse

    Learn where and how to place your greenhouse for optimal light and airflow.

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  • Information & Videos

    Watch how-to videos, product walk-throughs, and maintenance tips.

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  • 12x20ft Greenhouse

    Weights & Sizes

    Compare kitset dimensions, structure weights, and model specifications.

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  • Retailer

    Find a trusted Winter Gardenz stockist near you across New Zealand.

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  • Testimonials

    Hear from real customers who’ve built and love their Winter Gardenz glasshouse.

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