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Outdoor tunnel greenhouse

Outsunny Walk-in Tunnel Greenhouse: Your Garden's Best Ally

NOW

£ 105.99

£ 137.99

Outsunny Walk-in Tunnel Greenhouse: Your Garden's Best Ally

  • Brand: Mhstar Uk Ltd
  • Gender: Unisex

5 bought

Save 23 %!
Outsunny Poly Tunnel Garden Greenhouse - Large Outdoor Grow House, UV Protection, Steel Frame, 244x180x210cm

NOW

£ 88.99

£ 185.99

Outsunny Poly Tunnel Garden Greenhouse - Large Outdoor Grow House, UV Protection, Steel Frame, 244x180x210cm

  • Brand: Mhstar Uk Ltd
  • Gender: Unisex

8 bought

Save 52 %!
Outsunny Deluxe Polytunnel Greenhouse - Large Outdoor Tunnel, UV-Protected, Sturdy Steel Frame, 3.9m x 3m, Family Garden Fun

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£ 118.99

£ 319.99

Outsunny Deluxe Polytunnel Greenhouse - Large Outdoor Tunnel, UV-Protected, Sturdy Steel Frame, 3.9m x 3m, Family Garden Fun

Lets in sunlight while shielding kids and plants from harsh rays Quick Assembly. Simple setup with clear instructions; perfect for spontaneous family fun Sturdy Galvanised Steel Frame.

5 bought

Save 63 %!
Walk-In Tunnel Greenhouse Storage Shed - Galvanised Steel Frame, Weatherproof PVC Cover, Spacious Walk-In Design

NOW

£ 45.99

£ 95.99

Walk-In Tunnel Greenhouse Storage Shed - Galvanised Steel Frame, Weatherproof PVC Cover, Spacious Walk-In Design

Shields plants and stored items from wind, rain, and UV rays Spacious Walk In Design 300cm x 195cm footprint fits tools, shelving, and large plant collections Easy Assembly. Includes ground stakes and guy ropes for secure installation
Save 52 %!
20×10ft Walk-In Tunnel Greenhouse Cover - Heavy-Duty PE, Roll-Up Windows & Door, Weatherproof Plant Storage

NOW

£ 45.99

£ 103.99

20×10ft Walk-In Tunnel Greenhouse Cover - Heavy-Duty PE, Roll-Up Windows & Door, Weatherproof Plant Storage

Generous Storage Space 20×10ft interior accommodates tools, pots, seed trays, and seasonal items Universal Fit. Designed to suit most standard tunnel greenhouse frames (200H x 600L x 300Wcm) 12 Roll Up Ventilation Windows.
Save 56 %!
Outsunny Walk-in Greenhouse Storage Shed - Heavy Duty Weatherproof PE, Galvanised Steel Frame, Spacious Tunnel, Secure Garden Building

NOW

£ 86.99

Outsunny Walk-in Greenhouse Storage Shed - Heavy Duty Weatherproof PE, Galvanised Steel Frame, Spacious Tunnel, Secure Garden Building

Secure and Stable: Includes additional support with slant rods, ground nailing for the bottom frame, and wind ropes with ground stakes for enhanced stability and security against weather elements.

57 bought

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Outsunny Walk-in Tunnel Greenhouse - Spacious, Sturdy, Portable Growhouse

NOW

£ 78.99

£ 139.99

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Outsunny 2-3 Person Tunnel Camping Tent - Spacious Family Shelter for Outdoor Fun, Quick Setup, Weather Protection

NOW

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Outsunny 2-3 Person Tunnel Camping Tent - Spacious Family Shelter for Outdoor Fun, Quick Setup, Weather Protection

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Monkey Kids Play Tunnel - Outdoor Garden Game, HDPE, Ages 3-6, 194cm

NOW

£ 81.99

£ 223.99

Monkey Kids Play Tunnel - Outdoor Garden Game, HDPE, Ages 3-6, 194cm

Supports Active Play. Great for crawling, hide and seek, and group games Charming Monkey Design.
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Spacious 4-6 Person Weatherproof Tunnel Camping Tent

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£ 100.99

£ 215.99

Spacious 4-6 Person Weatherproof Tunnel Camping Tent

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Kids' Multicoloured Caterpillar Play Tunnel - Imaginative Outdoor Toy for Ages 3+

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£ 14.99

£ 39.99

Kids' Multicoloured Caterpillar Play Tunnel - Imaginative Outdoor Toy for Ages 3+

49 bought

Save 63 %!
PawHut Cat Tunnel & Bed Combo - Interactive Suede Play Tunnel with Peek Hole & Hanging Ball, Space-Saving, Grey

NOW

£ 22.99

£ 42.99

PawHut Cat Tunnel & Bed Combo - Interactive Suede Play Tunnel with Peek Hole & Hanging Ball, Space-Saving, Grey

Multi Function Design: Combines tunnel play and a comfy bed. Lightweight & Portable: Perfect for home or on the go. Space Saving: Folds flat for easy storage or travel. No Assembly Needed: Ready to use straight from the box.
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Easy Micromesh Garden Tunnel Storage Solution - Heavy-Duty Polyethylene Pest & Weather Protection (3m) - Foldable Outdoor Plant Shelter

NOW

£ 24.99

£ 39.99

Easy Micromesh Garden Tunnel Storage Solution - Heavy-Duty Polyethylene Pest & Weather Protection (3m) - Foldable Outdoor Plant Shelter

  • Age group: Adult
  • Gender: Unisex
  • Location: National Deal
Save 38 %!
Outsunny 6-Man Waterproof Family Tunnel Tent with Rainfly - Spacious Camping Shelter

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£ 103.80

£ 123.99

Outsunny 6-Man Waterproof Family Tunnel Tent with Rainfly - Spacious Camping Shelter

Waterproof Rainfly: 3000mm rainfly shields you from rain and wind. Organised Storage: Two compartments keep gear tidy. Spacious 6 Person Design: Roomy two room layout for families or groups. Easy Access: Multiple entry points for convenience.
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Lion Crawl Tunnel for Kids - Indoor & Outdoor Play, Ages 3-6, Imaginative Adventure Toy

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£ 87.49

£ 199.99

Lion Crawl Tunnel for Kids - Indoor & Outdoor Play, Ages 3-6, Imaginative Adventure Toy

Easy Assembly: Quick to set up with included feet for stability. Age Appropriate: Designed for children aged 3 6 years.
Save 56 %!
Outsunny Garden Greenhouse - Your Backyard Haven!

NOW

£ 40.99

£ 63.99

Outsunny Garden Greenhouse - Your Backyard Haven!

£40.99 instead of £63.99 for a Outsunny Garden Greenhouse - save up to 36%

9 bought

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Outsunny 3-4 Person Tunnel Family Camping Tent - Waterproof, UV-Resistant, Lightweight, Blue

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£ 45.26

£ 71.99

Outsunny 3-4 Person Tunnel Family Camping Tent - Waterproof, UV-Resistant, Lightweight, Blue

  • Age group: Adult
  • Brand: Mhstar Uk Ltd
  • Gender: Unisex
Save 37 %!
Outsunny Mini Portable Greenhouse - Your Compact Oasis

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£ 30.99

£ 39.99

Outsunny Mini Portable Greenhouse - Your Compact Oasis

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3 bought

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Outsunny Deluxe Polytunnel Greenhouse

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£ 104.99

£ 169.99

Outsunny Deluxe Polytunnel Greenhouse

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Outsunny Portable Mini Greenhouse - Perfect for Your Urban Garden!

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£ 28.99

£ 47.99

Outsunny Portable Mini Greenhouse - Perfect for Your Urban Garden!

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Outsunny Compact Steel Frame Weatherproof Greenhouse

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£ 11.60

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Outsunny Compact Steel Frame Weatherproof Greenhouse

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Outsunny Portable Walk-In Greenhouse with Shelves

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£ 32.90

£ 66.99

Outsunny Portable Walk-In Greenhouse with Shelves

EASY GARDENING: An ideal way to extend your growing season by protecting plants from cold and birds and ensures improved growth, giving seedlings and young plants an early start.ZIPPERED ROLL-UP DOOR: The zippered roll-up door can be opened fully for easy access and transport of plants or tools.WIRED SHELVES: The metal shelves provide ample room for plant storage and allow them space for healthy breathing.

28 bought

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2-in-1 Portable Wooden Greenhouse Planter Box

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£ 54.99

£ 89.99

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Garden Grow 3m x 2m Walk-in Polytunnel Greenhouse

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£ 89.99

£ 129.99

Garden Grow 3m x 2m Walk-in Polytunnel Greenhouse

Spacious Design: 3x2 metre polytunnel offers ample room to grow a variety of flowers, plants, and vegetables.Durable Construction: Made with powder coated steel frames and a waterproof 140gsm PE protector for long lasting performance.
Save 31 %!
Garden Gear 2m x 2m Walk-in Polytunnel Greenhouse

NOW

£ 65.99

£ 79.99

Garden Gear 2m x 2m Walk-in Polytunnel Greenhouse

Cover: Waterproof PE protector Steel tube diameter: 24mm Double Zip Door.Easily roll up the door for simple access to your plants, ensuring easy entry and ventilation.

1 bought

Save 18 %!
Spacious Aluminium Greenhouse with Base, Roof Windows, and Sliding Door

NOW

£ 189.00

£ 464.03

Spacious Aluminium Greenhouse with Base, Roof Windows, and Sliding Door

Integrated Base. Boosts ventilation while minimizing ground moisture and water pooling. Robust Aluminium Frame. Weatherproof, rust resistant support for long term protection.
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Spacious Walk-in Polytunnel Garden Greenhouse

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£ 70.99

£ 164.99

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Crocodile Play Tunnel for Kids - Imaginative Outdoor & Indoor Toy, Ages 3-6, Durable HDPE, Creative Crawl & Climb

NOW

£ 83.49

£ 218.99

Crocodile Play Tunnel for Kids - Imaginative Outdoor & Indoor Toy, Ages 3-6, Durable HDPE, Creative Crawl & Climb

Imaginative Design: Cheerful crocodile theme sparks creative play. Versatile Fun: Configures into long, arc, or S shape for varied adventures.
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Outsunny Walk-In Wonder Greenhouse - Ultimate Gardening Shelter

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£ 62.99

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Outsunny Walk-In Wonder Greenhouse - Ultimate Gardening Shelter

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1 bought

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Outdoor Cat Tent - Mesh & Wire, Portable, Tunnel Option, Large Space

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£ 11.99

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Outdoor Cat Tent - Mesh & Wire, Portable, Tunnel Option, Large Space

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PawHut 250cm Outdoor Wooden Cat Tunnel with 8 Doors - Durable Fir & Metal Enclosure

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£ 101.99

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PawHut 250cm Outdoor Wooden Cat Tunnel with 8 Doors - Durable Fir & Metal Enclosure

Assembly Required: All parts included for straightforward setup. Easy Attachment: Connects to windows, houses, or cages.
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Walk-In Greenhouse with 4 Shelves - Durable Storage Solution

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£ 29.99

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Walk-In Greenhouse with 4 Shelves - Durable Storage Solution

Sturdy and secure: Be rest assured, no wind can blow away this cover.The securely sewn in ties attach the cover to the frame, providing extra stability and protection against wind and movement.

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Garden Gear Wooden 3 Shelf Greenhouse

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£ 64.99

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Garden Gear Wooden 3 Shelf Greenhouse

Protects Delicate Plants.Shields seedlings, vegetables, and flowers from cold, wet weather and frost.

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Outsunny Wooden Cold Frame Greenhouse - Weatherproof Garden Shelter

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£ 49.99

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Outsunny Wooden Cold Frame Greenhouse - Weatherproof Garden Shelter

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Aluminium Hobby Greenhouse with Base, Sliding Door and Roof Window

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Aluminium Hobby Greenhouse with Base, Sliding Door and Roof Window

Sliding Door Access. Wide, smooth entry for easy organisation of tools and equipment. Weather Resistant Polycarbonate Panels. Semi transparent for balanced sunlight and plant protection.

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Outsunny Walk-In Garden Grow House - Ultimate Greenhouse for Every Gardener!

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Outsunny Polytunnel Walk-in Greenhouse Oasis - Durable Storage Solution

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Outsunny Greenhouse Polytunnel Walk-in Flower Plant Steel 4 x 2 M

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PRICE DROP! Outsunny 3 x 2m Deluxe Walk-In Greenhouse with Weatherproof Storage

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Premium Portable 12 Shelf Walk-In Greenhouse with Weatherproof Steel Frame and Multi-Level Storage

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£ 79.99

Premium Portable 12 Shelf Walk-In Greenhouse with Weatherproof Steel Frame and Multi-Level Storage

Lightweight & Portable. Move or reposition with ease for seasonal changes Powder Coated Steel Frame.
Save 31 %!
Outsunny Clear Walk-In Greenhouse - Durable Weatherproof Garden Storage Solution

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£ 429.99

£ 549.99

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Waterproof 2-3 Man Tunnel Camping Tent with Porch & Vents - Family Shelter, Lightweight Polyester

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Spacious Interior: Sleeps up to three, with separate living and sleeping areas. Portable: Packs down small with included carry bag.
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Outsunny Wooden Cold Frame Greenhouse & Outdoor Storage Shed - Weatherproof Timber, Compact Design

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£ 66.99

£ 112.99

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Outsunny Walk-in Weatherproof Greenhouse & Storage Shed - Aluminium Frame, Polycarbonate Panels, 6.2x6.2ft

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Outsunny Walk-in Weatherproof Greenhouse & Storage Shed - Aluminium Frame, Polycarbonate Panels, 6.2x6.2ft

Fitted with a single sliding door for easy access Temperature controlled opens and closes automatically to regulate the heat inside UV-resistant polycarbonate panels placed between the frame keep the heat inside effectively Powder-coated aluminium frame is solid and suitable for outdoor use Side window for extra ventilation.Foundation included, assembly required

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Garden Grow Portable Mini Greenhouse - Weatherproof Plant Shelter

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Raised Garden Bed with Mini Greenhouse - Distressed Grey

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£ 79.00

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Raised Garden Bed with Mini Greenhouse - Distressed Grey

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Garden Gear Deluxe 3-Tier Wooden Greenhouse and Storage Solution

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£ 99.99

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Garden Gear Deluxe 3-Tier Wooden Greenhouse and Storage Solution

Extend Your Growing Season: Protect delicate plants, seedlings, and vegetables from harsh weather conditions.Features a hinged lid and double doors for hassle free access and plant care.

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Aluminium Hobby Greenhouse with Polycarbonate Panels & Window Vents

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Aluminium Hobby Greenhouse with Polycarbonate Panels & Window Vents

Dual Window Ventilation. Two integrated roof windows optimize airflow and temperature control. Spacious Walk In Interior. Easily store garden tools, containers, and seasonal equipment.
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Spacious Aluminium Hobby Greenhouse with Polycarbonate Panels and Window Opening

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£ 139.00

£ 364.86

Spacious Aluminium Hobby Greenhouse with Polycarbonate Panels and Window Opening

Integrated Roof Vent & Window Opening. Keep air flowing to create ideal storage or growing conditions. Spacious Walk In Design. Plenty of room for organizing garden tools, seasonal supplies, or plant displays.

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Sturdy Aluminium Hobby Greenhouse with Base and Ventilation Window

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Rugged Aluminium Frame. Engineered for lasting strength, rust, and corrosion resistance. Semi Transparent Polycarbonate Panels. Reliable year round weather protection while ensuring optimal light diffusion.
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Garden Grow Mini Greenhouse - 4 Tier Portable Weatherproof Plant Storage

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Garden Grow Mini Greenhouse - 4 Tier Portable Weatherproof Plant Storage

Portable Design. Easily relocate to capture optimal sunlight or fit changing garden layouts Simple Assembly.
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Outsunn Large Walk-In Greenhouse Garden Haven

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Outsunny Elevated Garden Bed & Greenhouse - Outdoor Raised Planter for Family Gardening Fun, Weather-Resistant, 117x88x30cm

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Outsunny Premium Cold Frame Greenhouse - Weatherproof Wooden Plant Storage, Compact Garden Shelter

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£ 34.99

£ 61.99

Outsunny Premium Cold Frame Greenhouse - Weatherproof Wooden Plant Storage, Compact Garden Shelter

£34.99 instead of £61.99 for a Outsunny Cold Frame Greenhouse - save up to 44%

15 bought

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Outsunny Walk-In Mini Greenhouse - Durable Storage & Plant Sanctuary

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£ 377.30

£ 543.99

Outsunny Walk-In Mini Greenhouse - Durable Storage & Plant Sanctuary

High quality aluminum alloy and PC board in strong construction Suitable for any plant breeding Galvanized base provides stable support for the entire structure Hollow PC board is uvioresistant of level: UV30u, to protect your plants from sunlight Assembly required Rooftop vent ensures excellent ventilation for your unit Rain gutters aid in collecting natural rain water Transparent PC board allows you to observe the plants inside Convenient single sliding door design for easy access

19 bought

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Outsunny Walk-In Polytunnel Greenhouse - Verdant Green, Spacious Storage Solution

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£ 67.99

£ 119.99

Outsunny Walk-In Polytunnel Greenhouse - Verdant Green, Spacious Storage Solution

£67.99 instead of £119.99 for a Outsunny Polytunnel Greenhouse, Green - save up to 43%

19 bought

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Outsunny Portable Greenhouse with Durable PVC Cover

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£ 16.70

£ 41.99

Outsunny Portable Greenhouse with Durable PVC Cover

Compact size, suits for small room Portable design is great for placing up and moving when needed.Ideal for all beginner and advanced gardeners Tough plastic cover for shelter against the wind and rain etc.Clear to let the sunlight pour through, in turn helping your plants, flowers and herbs grow naturally and beautifully Mesh cover allows air to circulate inside without bugs and pests entering Assembly required Steel frame for reliable strength, with a powder coat finish for protection against the elements

21 bought

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Transform your outdoor space into a productive growing hub with our curated range of outdoor tunnel greenhouse options. At Wowcher UK, you’ll find unbeatable deals on tunnel greenhouses designed for quick setup, robust protection, and year‑round gardening. Whether you’re a seasoned allotment gardener or a casual hobbyist, a tunnel greenhouse can extend your growing season, shield young plants from late frosts, and maximise space with a simple, lightweight design.


From compact poly tunnel styles to sturdy aluminium-framed configurations, our listings cover a variety of sizes, materials, and feature sets. Many options use UV‑stabilised polyethylene film or polycarbonate panels for durability and excellent light transmission. Explore features like reinforced arches, wind clips, ground pegs, roll‑up doors, and vent windows to keep air flowing and temperatures steady in changing UK weather.


Shop with confidence knowing you’re browsing a selection crafted to deliver value, simplicity, and reliable performance. Our deals bring you high‑quality garden greenhouses at a fraction of the usual price, with delivery or collection options designed to fit your schedule.


Unbeatable Deals on Outdoor Greenhouses


Discover savings on a wide range of tunnel greenhouse structures, from compact 6×6 foot models ideal for patios to larger 10×12 foot configurations that can house seedlings, vegetables, and climbing crops. Our curated selection also includes poly tunnel setups and lightweight grow tunnel options, all designed to maximise space while minimising setup time. Look for bundled deals, seasonal discounts, and price‑matching offers that make it easier to plan your garden project without breaking the bank.


Quality is key, and you’ll find options featuring corrosion‑resistant frames, sturdy ground anchors, and long‑lasting covers. Some models include extra features like zipped doors, vented sides for improved airflow, and reinforced panels to withstand typical UK wind and rain. Whether you’re starting a first greenhouse or replacing an aging structure, our Wowcher listings help you find a reliable outdoor tunnel greenhouse option at an exceptional price.


What to Consider When Choosing an Outdoor Tunnel Greenhouse?


First, assess the available space and intended use. If you’re after a compact setup, a garden poly tunnel or small 4–6 m² model may be ideal, while larger families of vegetables or fruiting crops benefit from longer lengths and wider doors. Durability matters in UK weather: look for a sturdy frame, aluminium or galvanised steel, that resists rust and a cover that stays taut under wind and rain.


Next, consider the cover material. UV‑stabilised polyethylene film is common for tunnel greenhouses, offering flexibility and cost savings, while some higher‑end models use polycarbonate panels or multi‑wall sheets for better insulation. If you’re growing through colder months, double‑layer film or bubble insulation can help retain heat.


Ventilation and climate control are crucial. Features such as roof vents, roll‑up sidewalls, and optional automatic vent openers promote air exchange and prevent overheating on sunny days. A built‑in door or wide entry simplifies access for watering and tool retrieval. Finally, check assembly requirements and included hardware, many outdoor tunnel greenhouse kits are designed for quick setup with clear instructions and minimal tools.


What Are the Most Popular Types of Tunnel Greenhouses?


The popularity of a tunnel greenhouse often depends on size and material. Classic poly tunnel designs use flexible film stretched over arched frames and are favored for their light weight and price. For more durability, aluminium framed tunnel greenhouses with UV‑resistant covers provide longevity with a sleek look. Some gardeners opt for larger outdoor tunnel greenhouse kits that allow rigid shelving, staging, and better organisation of plants from seedlings to mature crops.


Growers frequently choose models with adjustable roof vents for seasonal control or add insulated panels for winter. Accessories such as UV‑cut film, shade nets, and footprint kits help tailor a tunnel greenhouse to your climate, whether you’re protecting tomatoes, peppers, herbs, or salad greens.


How to Maintain an Outdoor Tunnel Greenhouse?


Maintenance is straightforward and key to longevity. Regularly inspect the frame for loose fittings and rust, especially on the base and connectors. If you notice any tears or holes in the cover, repair or patch promptly to preserve warmth and humidity control. Clean the film or panels with a soft cloth and mild soap to prevent algae and dirt buildup that can reduce light transmission. Check ventilation openings and door seals to ensure smooth operation, and tighten ground anchors after strong winds or wet seasons.


To maximise performance, schedule seasonal checks: reseal seams if necessary, re‑tension film, and replace worn parts. A well‑maintained outdoor tunnel greenhouse extends its life, protects your crops, and keeps gardening enjoyable year after year.


What Are the Best Practices for Weed and Pest Management in a Tunnel Greenhouse?


Maintain a clean interior to reduce pest hiding spots. Use raised benches to improve air circulation and minimise soil splash that can spread diseases. Consider a breathable row cover during early season plantings and avoid overwatering, which can lead to fungal issues. Pair your tunnel greenhouse with integrated pest management strategies, such as companion planting and careful crop rotation, to keep pests at bay without relying on harsh chemicals.


With the right care, your outdoor tunnel greenhouse becomes a reliable ally for seasonal produce, herbs, and ornamentals. Our Wowcher UK listings help you find the best value options that fit your garden’s size and your gardening goals.


How to Choose the Right Accessories for Your Tunnel Greenhouse?


Consider accessories that maximize space and convenience: adjustable shelving, cladding for extra insulation, tool racks, and drip irrigation kits that reduce maintenance while keeping plants hydrated. Shade cloths or reflective film can balance light levels in peak summer, while a simple thermometer and hygrometer help you monitor temperature and humidity for optimal plant health.


Whether you’re dealing with a compact poly tunnel or a larger garden tunnel system, the right accessories enhance usability and crop success while staying within your Wowcher budget.


Which Plants Do Best in an Outdoor Tunnel Greenhouse?


Leafy greens, herbs, and peppers thrive in tunnel greenhouses thanks to extended warmth and protection from cold snaps. Tomatoes and cucumbers perform well in taller, wider models with enough space for trellising. Root crops like carrots and beets benefit from the consistent environment, while seedlings and young plants can be started earlier in the season under a cover. The flexible climate of a tunnel greenhouse makes it easier to nurture a diverse selection of crops from early spring through late autumn.


If you’re new to growing, start with easy‑to‑care‑for crops and gradually expand as you gain confidence. Our Wowcher listings offer a range of sizes and configurations to suit beginners and experienced gardeners alike.


How to Prepare for Seasonal Changes with Your Tunnel Greenhouse?


In spring and autumn, monitor temperatures and ventilation to prevent overheating or rapid cooling. Use reflective film or shade cloth during hot spells and ensure adequate airflow to prevent condensation and mold. In winter, add insulation or a frost cloth to protect tender plants, and maintain a consistent watering routine as soil moisture fluctuates with weather. A well‑prepared tunnel greenhouse enables you to protect crops during unpredictable UK conditions and enjoy fresh produce for longer.


Ready to upgrade your gardening setup? Explore Wowcher UK’s selection of outdoor tunnel greenhouse deals today and find the best value for your space, climate, and crop goals. Your garden will thank you with healthier plants and harvests well into the season.