4.5m x 2m Polytunnel Greenhouse with Galvanised Steel Frame - White
A cost-effective and spacious walk-in growing environment that combines a rust-resistant steel frame with a UV-protected cover to extend your gardening season.
- Galvanised steel frame prevents rust for a longer lifespan in damp garden conditions
- UV-resistant PE cover prevents material degradation from sun exposure
- Zippered roll-up door provides quick, easy access for garden tools and machinery
Ends Friday 31st July
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Delivery by 14th Jul 2026
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FREE UK mainland delivery
From our curation team
Why we recommend this
Often a strong fit for
- Growing tomatoes, cucumbers, and peppers
- Protecting young plants from birds and pests
- Allotments and larger gardens with space for a 4.5m structure
- Gardeners looking for a walk-in greenhouse without the cost of glass
This 4.5m walk-in polytunnel greenhouse provides a controlled environment for growing vegetables, fruits, and tropical plants throughout the seasons. The spacious interior and functional design make it a practical addition for gardeners looking to protect their crops from the cold and pests while maintaining optimal growing conditions.
- UV-Protected PE Cover: The fully closed polyethylene cover protects plants from UV rays while maintaining the high humidity levels required for tropical varieties.
- Galvanised Steel Frame: Constructed with a rust-resistant galvanised steel frame, providing a sturdy and durable structure for year-round garden use.
- Effective Ventilation: Features six mesh windows to allow for air circulation while keeping birds and larger insects out, along with a large double-zippered door for easy access.
- Enhanced Stability: The cover includes 15cm extended edges designed to be buried deep into the soil, supplemented by four wind ropes and ground stakes for secure anchoring.
The greenhouse is designed to extend your growing season by shielding young plants from the elements. The 4.45-metre length offers ample room for tiered shelving or ground-level planting beds, allowing you to manage a diverse range of crops in one place. The roll-up door provides a wide entrance, making it easy to move tools and plants in and out.
For the best results and longevity, the extended edges of the PE cover should be buried firmly in the ground to tighten the structure. Please note that this greenhouse is designed for standard seasonal use and is not suitable for extreme weather conditions such as heavy snow or gale-force winds.
| Overall Length | 445 cm |
| Overall Width | 200 cm |
| Overall Height | 200 cm |
| Frame Material | Galvanised Steel |
| Cover Material | UV-protected PE |
| Number of Windows | 6 Mesh Windows |
| Door Type | Double Zippered Roll-up |
| Assembled Weight | 15 kg |
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.
