Outsunny 6m x 3m Walk-In Polytunnel Greenhouse with Galvanised Steel Frame and Hinged Door
A spacious 18m² growing environment featuring a robust galvanised frame and a practical hinged door for easier daily access.
- Rust-resistant galvanised steel frame built for outdoor durability
- Reinforced with two additional support rods for structural stability
- Translucent cover provides reliable weather shielding for delicate crops
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Delivery by 8th May 2026
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FREE UK mainland delivery
From our curation team
Why we recommend this
Often a strong fit for
- Large-scale vegetable growing
- Allotment gardening
- Protecting tall or climbing plants
- Gardeners requiring frequent easy access
The Outsunny 6m x 3m Polytunnel Greenhouse provides a substantial 18 square metres of growing space, ideal for cultivating a wide variety of plants, vegetables, and flowers. Built with a rust-resistant galvanised steel frame, this structure is designed to provide a stable environment for your garden throughout the growing season.
- Galvanised Steel Frame: Constructed from steel treated to resist rust, corrosion, and peeling, supported by two additional internal rods for improved stability.
- Large Walk-In Space: The 6-metre length and 2-metre height allow for plenty of room to move around and tend to tall plants comfortably.
- Metal Hinged Door: Unlike standard zip-up designs, this model features a metal-framed hinged door for more reliable and frequent access.
- Climate Control: Equipped with two roll-up mesh windows that allow for cross-ventilation while helping to keep insects away from your crops.
- Protective Plastic Cover: The translucent cover shields plants from harsh weather while ensuring they receive the necessary sunlight for growth.
This large-scale polytunnel is designed for gardeners who need a significant amount of protected space. The use of a galvanised steel frame ensures the structure remains strong against the elements, while the inclusion of a hinged door provides a practical upgrade over traditional roll-up entrances. The mesh windows are essential for managing humidity and temperature during warmer months.
Please note that this structure is intended for seasonal use and should not be left standing during heavy or extreme weather conditions. Assembly is required, and all necessary components for the frame and cover are included.
| Length | 600 cm |
| Width | 300 cm |
| Height | 200 cm |
| Frame Material | Galvanised Steel |
| Cover Material | Plastic |
| Door Type | Hinged Metal Door |
| Number of Windows | 2 |
| Area | 18 m² |
This product is dispatched and delivered by our approved partner, Giga from their UK warehouse.
- Cost: Delivery is FREE for all orders within mainland UK.
- Delivery Method: Please be aware that larger items are delivered kerbside (the street or pavement outside your property).
Easy Returns
Not the perfect fit? No problem. Our returns process is straightforward and completely free.
- 21 Day Guarantee: You can return your item up to 21 days after delivery.
- Online Portal: To start a return, simply visit our online portal and follow the prompts to generate your labels or schedule a collection.
For more information, please see our returns policy.
