Polycarbonate Greenhouses

Built for durability, clarity, and performance—Winter Gardenz are made down under, with UV-protected panels, exceptional thermal insulation, and a clean architectural finish, they're ideal for year-round growing. With 21 kitset sizes to suit any space—you're sure to find a size to suit. Straight-forward to assemble and built to last.

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We are passionate about gardening, crafting award-winning greenhouses and shade houses since 2007. Proudly designed and manufactured in Australia and New Zealand using premium materials, our polycarbonate greenhouses are built to handle Australia’s toughest climates—tailored for both hobbyists and professionals.

  • Twin-Wall Polycarbonate Panels – 10-year warranty. Superior light diffusion protects plants while delivering outstanding thermal insulation—cooler in summer, warmer in winter.
  • Heavy-Duty Aluminium Frame – Powder-coated for corrosion resistance and long-lasting strength.
  • UV-Blocking Protection – Advanced panel technology filters harmful rays while maintaining optimal light levels for plant growth.
  • Weather-Resilient Design – Purpose-built to withstand high winds (up to 150km/hour), heavy rain, and harsh sun.
  • Flexible & Lightweight – Easier to transport and assemble than glass, with minimal compromise on strength.

Backed by over 18 years of innovation and a commitment to local craftsmanship, our polycarbonate range combines smart growing performance with resilience that goes the distance.

Frequently Asked Questions

Why should I choose a polycarbonate greenhouse for my garden?

A polycarbonate greenhouse uses 6mm Twin-Wall panels that deliver outstanding thermal insulation, keeping your plants cooler in the summer and warmer in the winter. The superior light diffusion protects plants, while the lightweight panels make the structure highly practical and safe.

What is included in your polycarbonate greenhouse kit?

Each greenhouse kit comes complete with a heavy-duty, corrosion-resistant powder-coated aluminium frame, UV-blocking twin-wall polycarbonate panels, and smooth sliding doors. They are designed to be straightforward to assemble with our detailed guides.

Can these greenhouses Australia handle high winds and heavy rain?

Yes! Our weather-resilient polycarbonate structures are purpose-built to withstand harsh conditions, including heavy downpours, scorching sun, and high winds of up to 150km/hour, making them some of the most durable greenhouses Australia has to offer.

How long is the warranty on a polycarbonate green house for sale?

The twin-wall panels on our polycarbonate green house for sale are backed by a 10-year warranty. Paired with a resilient frame that benefits from nearly two decades of local engineering expertise, your greenhouse is built to go the distance.

Glasshouse Width Options