4x3m Polytunnel Greenhouse with Roll-up Sidewalls and 8 Windows - Green
A versatile 12m² growing space featuring unique roll-up sides for superior ventilation control during the summer months.
- Galvanised steel frame provides long-term resistance to rust and corrosion
- Mesh-reinforced cover offers a durable barrier against birds and pests
- Internal diagonal support slants increase frame rigidity against light winds
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, peppers, and cucumbers
- Large vegetable patches and allotments
- Gardeners needing adjustable temperature control
- Protecting crops from birds and pests
This 4x3m walk-in polytunnel greenhouse provides a spacious and controlled environment for growing a wide variety of vegetables, fruits, and plants throughout the seasons. Designed with a focus on ventilation and accessibility, it offers nearly 12 square metres of floor space for your garden projects.
- Roll-up Sidewalls: Both side panels can be completely lifted, allowing for maximum airflow and easy access to your plants from the outside during warmer days.
- Eight Mesh Windows: Features eight integrated windows to encourage fresh air circulation while providing a barrier against pests.
- Galvanised Steel Frame: The structure is built with a reinforced galvanised steel frame, including four diagonal support slants for improved stability.
- Protective Mesh Cover: The durable plastic mesh cover shields crops from light winds and birds while ensuring they receive the necessary sunlight to thrive.
- Large Zipped Door: A wide, zipped front entrance allows for easy access with garden tools, wheelbarrows, or large containers.
Constructed for practicality, this grow house includes guy ropes and ground stakes to help secure the frame to the earth. The roll-up side feature is particularly useful for regulating temperature during the peak of summer, preventing heat build-up that can stress young plants. The walk-in height of 2 metres ensures a comfortable working environment and allows for the cultivation of taller climbing crops like tomatoes and cucumbers.
Please note that this structure is not intended for use in heavy weather conditions and should be dismantled or secured if extreme conditions are expected. It carries a windproof rating of level 4.
| Assembled Length | 397 cm |
| Assembled Width | 300 cm |
| Assembled Height | 200 cm |
| Assembled Weight | 23 kg |
| Frame Material | Galvanised Steel |
| Cover Material | PE Mesh |
| Colour | Green |
| Number of Windows | 8 |
| Windproof Level | 4 |
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.
