4.5m x 3m Walk-in Polytunnel Garden Greenhouse with Mesh Door and 6 Windows - Green
A large-scale growing solution that combines reliable steel construction with effective ventilation to protect crops year-round.
- Steel frame provides a rigid structure for consistent plant protection
- Reinforced PE cover helps maintain high humidity for tender seedlings
- Includes guy ropes and pegs for essential secondary anchoring
- Mesh protection keeps birds and small animals away from your harvest
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
- Allotments and large gardens
- Growing vegetables and flowers from seed
- Extending the UK growing season
A spacious walk-in polytunnel designed to provide a protected environment for growing vegetables, flowers, and plants throughout the seasons. This 4.5m long structure offers a generous internal area with a height of 2 metres, allowing for comfortable movement and the cultivation of taller crops.
- Protective PE Cover: The durable plastic shell maintains high humidity levels and shields crops from wind and rain while allowing essential sunlight to reach your plants.
- Effective Ventilation: Six roll-up mesh windows and a zipped front door allow for consistent airflow, helping to regulate the internal temperature during warmer months.
- Pest Protection: Integrated mesh on the entrance and windows ensures that your crops remain protected from small animals and birds while still receiving fresh air.
- Stable Foundation: Features 15cm extended edges designed to be buried into the ground, complemented by four guy ropes and ground pegs for increased stability.
- Tough Steel Frame: The structure is built around a robust steel frame, providing a reliable skeleton for the PE cover.
This 15x10ft polytunnel is a practical choice for gardeners looking to extend their growing season. The walk-in design makes it easy to manage multiple seed trays and larger pots, while the zipped entrance provides secure yet quick access to your garden. The translucent green cover is specifically designed to diffuse sunlight, preventing scorch while trapping heat to promote healthy growth.
For the best results, the extended cover flaps should be weighted down or buried deeply to prevent wind lift. Please note that this structure is not intended for use during heavy or extreme weather conditions and should be dismantled or additional precautions taken if high winds are forecast.
| Length | 447cm |
| Width | 300cm |
| Height | 200cm |
| Door Dimensions | 170W x 173H cm |
| Window Dimensions | 46L x 36W cm |
| Material | PE Plastic, Steel |
| Weight | 18kg |
| Colour | Green |
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.
