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Winter Gardenz

6x20 Greenhouse 6mm Polycarbonate

6x20 Greenhouse 6mm Polycarbonate

Regular price $7,915.00 AUD
Regular price Sale price $7,915.00 AUD
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Greenhouse Dimensions & Features

  • Width: 1972mm (6ft approx)
  • Length: 6386mm (20ft approx)
  • Height (to gutter): 1620mm
  • Height (to ridge): 2360mm
  • Includes: 8 roof vents for exceptional airflow and climate control
  • 6mm premium twin-wall polycarbonate glazing for optimal insulation
  • Superior thermal efficiency and UV protection
  • Modern, award-winning architectural design
  • Rust-free, powder-coated matt-black aluminium frame
  • Designed and manufactured in Australia & New Zealand

Download Foundation Plans

Download General Foundation Guide

Why Choose Winter Gardenz?

This spacious 6x20ft polycarbonate greenhouse provides outstanding thermal insulation, light diffusion, and all-season growing power. With eight roof vents for superior airflow and a sleek architectural frame, it’s built to meet the demands of serious gardeners and commercial growers alike.

Crafted in Australia and New Zealand, the design ensures durability and style in even the harshest weather conditions. Elevate your garden with a premium-quality greenhouse that’s built to last.

Please note:

  • Greenhouses ship to your nearest Mainfreight Depot.
  • Measurements are in millimetres; imperial units are approximate.

Recommended Accessories for the 6x20 Greenhouse

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    Complete Your Greenhouse with Accessories

    Customise your greenhouse for optimal performance and convenience. Our accessories are designed to integrate seamlessly with all Winter Gardenz models—whether you're boosting airflow, adding shelving, or automating your growing environment.

    Shelving Kits

    Maximise space and organisation

    Order Shelving

    Shading & Ventilation

    Improve airflow and temperature control

    Order Shade & Ventilation

    Everything You Need to Get Growing with Confidence

    Explore helpful resources, guides, and customer stories to make the most of your Winter Gardenz glasshouse. Whether you're positioning your structure, checking sizing, or finding a local stockist, we’ve got you covered.

    • FAQs

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

      Learn more 
    • Position Your Greenhouse

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

      Learn more 
    • Information & Videos

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

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    • Weights & Sizes

      Compare kitset dimensions, structure weights, and model specifications.

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    • Stockists

      Find a trusted Winter Gardenz stockist near you across Australia.

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    • Testimonials

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

      Learn more