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Outsunny Polytunnel Greenhouse Walk-in Grow House with UV-resistant PE Cover, Door, Galvanised Steel Frame, 4 x 3 x 2m, White

Original price £256.99
Original price £256.99 - Original price £256.99
Original price £256.99
Current price £161.99
£161.99 - £161.99
Current price £161.99

Free Delivery

Discover Year-Round Gardening with the Outsunny Greenhouse

Unlock the full potential of your garden with the Outsunny Polytunnel Greenhouse. Designed for gardeners like you who want to extend the growing season, this greenhouse ensures your tender plants and seedlings are safeguarded against frost and harsh weather conditions. With easy access through roll-up walls and a door, you can manage heat, UV exposure, and humidity to optimise plant growth. It's the perfect setup to enjoy fresh vegetables, vibrant flowers, and lush plants throughout the year.

Why Your Garden Needs This Greenhouse:

  • Extended Growing Season: Your new walk-in greenhouse offers a protective, controlled environment so you can start seeds early and harvest later, defying the seasonal restrictions of your climate.

  • Easy Access and Ventilation: Features a hinged door for hassle-free entry and multiple mesh windows, ensuring you can regulate air flow and temperature to suit your gardening needs, keeping your plants thriving.

  • Robust Protection for Plants: The durable 220 GSM PE cover shields your plants from UV rays while maintaining 85% light transmission, promoting healthy growth without the risk of sunburn or dehydration.

  • Enhanced Stability: The reinforced, galvanised steel frame and extended cover edges ensure your greenhouse stands secure against wind and rain. Bury the extra-long edges deep into the soil for added stability and to deter pests.

Key Features to Maximise Your Gardening Success:

  • UV-Resistant Cover: Protects plants from harmful UV rays while providing optimal light for growth.

  • Adjustable Ventilation: The hinged door and mesh windows allow you to manage the internal climate, ensuring your plants receive fresh air when needed.

  • Efficient Water Management: The arched roof design prevents water accumulation, safeguarding the structure and your plants from moisture damage.

  • Secure and Stable Build: The deep-set edges and robust frame provide a secure, anchored setup that withstands weather challenges.

  • Versatile and Spacious: Ample room to grow a diverse array of plants, from fruits and vegetables to exotic flowers.

Specifications:

  • Brand: Outsunny 
  • Type: Greenhouse
  • Colour: White
  • Material: Frame - Galvanised Steel, Cover - Polyethylene
  • Overall Dimensions: 400L x 300W x 195Hcm
  • Door Dimensions: 150W x 190Hcm
  • Edging Width: 50cm
  • Windproof Level: 5
  • Product Weight: 39kg
  • Number of Windows: 0
  • Number of Doors: 1
  • Assembly Required: Yes 
  • Assembly Time: 1-2 Hours (1-2 People)

What's Included:

  • 1 x Tunnel Greenhouse
  • 50 x Film Clamps
  • 1 x Assembly Instructions  

Embrace gardening throughout the year and transform your outdoor space into a thriving haven. Add this Outsunny Polytunnel Greenhouse to your cart today and start enjoying a bountiful, beautiful garden no matter the season!

 

Availability:
in stock, ready to be shipped
Delivery information

Standard Delivery - Free (2-4 working days)

Express Delivery - £4.95 (1-2 working days)

We only deliver to UK Mainland addresses.

Excludes: Channel Islands & Northern Ireland. 

More information

Returns & Refunds

We aim for your complete satisfaction with your purchase. If you change your mind, we offer a 60-day no quibble return policy on all purchases.

Please click the link below for more information about returns and refunds.

View Returns Policy

Warranty

All Outsunny products come with a 12 month warranty as standard.

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About Outsunny

Outsunny is a trusted name in outdoor living, recognised globally for creating affordable, stylish, practical, and durable products that enhance any outdoor space. From garden furniture and patio accessories to gazebos, pergolas, and outdoor storage solutions. Outsunny combines quality craftsmanship with contemporary design—making it easy to enjoy your home and garden all year round.

Why Shop With Us?

Free Delivery

Free Mainland UK Delivery

Easy Returns

60-Day Hassle-Free Returns

Authorised Reseller

We're authorised to sell Outsunny products.

Secure Payments

PayPal, Klarna, Clearpay Available at Checkout

FAQ

Are Outsunny products suitable for year-round outdoor use?

Yes, Outsunny products are designed for outdoor use throughout the year, incorporating weather-resistant materials like powder-coated steel, aluminium, synthetic rattan, and UV-treated fabrics. To extend their lifespan, we recommend protecting your products with covers or storing them during extreme weather conditions.

Do Outsunny products require assembly?

Most Outsunny products arrive flat-packed and require straightforward assembly. Each product includes clear, easy-to-follow instructions along with the necessary hardware. Typically, no specialist tools are needed beyond basic household items.

Are replacement parts available for Outsunny products?

Yes, replacement parts for Outsunny products can often be provided. If you need specific components, please contact our customer support team with your order details, and we'll assist you with sourcing the correct parts.

What warranty is provided with Outsunny products?

All Outsunny products come with a standard one-year manufacturer’s warranty covering defects in materials and workmanship. The warranty doesn't cover damage caused by improper use, accidents, or extreme weather. For full warranty details, refer to your product documentation or get in touch with our support team.

How can I clean and care for my Outsunny products?

Regular cleaning using mild soap and warm water will keep your Outsunny products looking their best. Avoid harsh chemicals or abrasive cleaners, as these can damage the protective finishes. For fabric items, removable cushion covers can typically be hand-washed or gently machine-washed—always check care labels first.