Outsunny 6 x 2.5ft Slim Walk-In Polycarbonate Greenhouse with Sliding Door & Window - Dark Grey
A space-efficient walk-in greenhouse that fits narrow garden paths while providing professional-grade insulation and ventilation.
- Rust-resistant aluminium frame ensures structural longevity in wet climates
- Shatterproof polycarbonate panels provide a safer alternative to garden glass
- 90% light transmission protects plants from UV while ensuring growth
- Included foundation base provides a stable and square starting point for assembly
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Delivery by 7th May 2026
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FREE UK mainland delivery
From our curation team
Why we recommend this
Often a strong fit for
- Narrow garden paths
- Small urban patios
- Balcony gardening
- Seed starting and extending the growing season
May not be the right choice if
- Large-scale commercial crop production
- Areas prone to extreme heavy snow loads without regular maintenance
The Outsunny slim walk-in greenhouse is a space-saving solution for growers with limited garden space, featuring a narrow 70cm depth that fits comfortably against walls or fences. Constructed with a rust-resistant aluminium frame and twin-wall polycarbonate panels, it provides a protected environment for plants to thrive throughout the seasons.
- Slimline Profile: A 70cm depth allows for walk-in gardening in narrow outdoor areas, side paths, or urban balconies without obstructing walkways.
- Temperature Control: Features a smooth sliding door for easy access and a push-up roof window to manage airflow and humidity levels effectively.
- Durable Construction: The powder-coated aluminium frame is designed to resist rust and corrosion, providing a sturdy core for the structure.
- Protective Glazing: Twin-wall polycarbonate sheets create a safe shelter that filters 90% of nourishing sunlight while protecting plants from harsh weather and UV rays.
- Integrated Drainage: Built-in gutters allow rainwater to empty efficiently, preventing dirt build-up and helping you collect water for your garden.
This greenhouse is designed for practicality and longevity. The 4mm twin-wall panels provide superior insulation compared to single-sheet alternatives, helping to maintain a more consistent temperature for your seedlings and crops. Unlike traditional glass, these panels are shatterproof, making them a safer choice for households with children or pets.
Assembly is streamlined with a slide-in-slot system, ensuring the panels stay securely in place within the frame. The inclusion of a foundation base adds extra stability to the structure, while the dark grey finish offers a contemporary look that blends naturally into modern garden settings.
| External Height | 200cm |
| External Width | 190cm |
| External Depth | 70cm |
| Inner Dimensions | 183W x 63Dcm |
| Door Size | 172H x 62Wcm |
| Panel Thickness | 4mm |
| Frame Material | Aluminium |
| Panel Material | Polycarbonate |
| Colour | Dark Grey |
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.
