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Greenhouse 3

3.4x5.9ft Walk-In Steel Frame Greenhouse with Window - UV Protection

NOW

£ 22.99

£ 37.99

3.4x5.9ft Walk-In Steel Frame Greenhouse with Window - UV Protection

Ample room for diverse planting and landscaping projects Durable Steel Frame. Powder coated to resist rust and corrosion Secure Installation.
Save 39 %!
Garden Gear Wooden 3 Shelf Greenhouse

NOW

£ 64.99

£ 89.99

Garden Gear Wooden 3 Shelf Greenhouse

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

98 bought

Save 28 %!
Garden Gear Deluxe 3-Tier Wooden Greenhouse and Storage Solution

NOW

£ 99.99

£ 159.99

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.

16 bought

Save 38 %!
Outsunny Deluxe Polytunnel Greenhouse - Large Outdoor Tunnel, UV-Protected, Sturdy Steel Frame, 3.9m x 3m, Family Garden Fun

NOW

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

NOW

£ 108.99

£ 169.99

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

  • Brand: Mhstar Uk Ltd
  • Gender: Unisex
  • Size: L

2 bought

Save 36 %!
Sun Plate 3-Tier Aluminium Walk-In Greenhouse with Foundation - Weatherproof Storage & Shelving

NOW

£ 115.99

£ 249.99

Sun Plate 3-Tier Aluminium Walk-In Greenhouse with Foundation - Weatherproof Storage & Shelving

  • Age group: Adult
  • Gender: Unisex
  • Location: National Deal
Save 54 %!
Walk-in PVC Greenhouse Storage Shed with 3-Tier Shelves - Weatherproof, UV-Resistant, 140×213×190 cm

NOW

£ 59.99

£ 111.99

Walk-in PVC Greenhouse Storage Shed with 3-Tier Shelves - Weatherproof, UV-Resistant, 140×213×190 cm

  • Brand: Mhstar Uk Ltd
  • Gender: Unisex
  • Location: National Deal
Save 46 %!
6x3x2m Walk-in Galvanised Steel Greenhouse Polytunnel with Roll-Up Sides - Outdoor Storage & Plant Protection

NOW

£ 139.99

£ 239.99

6x3x2m Walk-in Galvanised Steel Greenhouse Polytunnel with Roll-Up Sides - Outdoor Storage & Plant Protection

Shields plants and equipment from wind and rain Spacious Interior 19.5 x 9.8ft open layout fits garden tools, shelving, or large plant collections Secure Anchoring. Includes guy ropes and stakes for stable installation Galvanised Steel Frame.
Save 42 %!
3x1x2m Walk-In Greenhouse Storage Shed - Galvanized Steel Frame, Double Doors & 4 Windows

NOW

£ 52.49

£ 89.99

3x1x2m Walk-In Greenhouse Storage Shed - Galvanized Steel Frame, Double Doors & 4 Windows

Promote airflow and regulate internal temperature Galvanized Steel Frame. Built for strength, stability, and rust resistance
Save 42 %!
4x3x2m PE Walk-In Greenhouse Cover Only - Heavy-Duty Weather Protection, Roll-Up Windows & Door

NOW

£ 41.99

£ 71.99

4x3x2m PE Walk-In Greenhouse Cover Only - Heavy-Duty Weather Protection, Roll-Up Windows & Door

Designed for hassle free replacement and setup Durable PE Mesh Cloth. Tear resistant and built to withstand light rain, wind, and direct sunlight Generous Coverage.
Save 42 %!
Walk-in Greenhouse Storage Shed with Clear PE Cover & Galvanised Steel Frame - Weatherproof, 3x2x2m

NOW

£ 85.99

£ 146.99

Walk-in Greenhouse Storage Shed with Clear PE Cover & Galvanised Steel Frame - Weatherproof, 3x2x2m

  • Age group: Adult
  • Location: National Deal
  • Material: Steel
Save 41 %!
3-Tier Walk-in Greenhouse Storage Shed - PE Cover, 4-Shelf, Weatherproof, 143×74×190 cm, White

NOW

£ 31.99

£ 63.99

3-Tier Walk-in Greenhouse Storage Shed - PE Cover, 4-Shelf, Weatherproof, 143×74×190 cm, White

  • Age group: Adult
  • Gender: Unisex
  • Location: National Deal
Save 50 %!
Polytunnel Walk-in Greenhouse - 4×3×2m, Heavy-Duty Steel Frame, Weatherproof Storage & Plant Protection

NOW

£ 74.99

£ 153.99

Polytunnel Walk-in Greenhouse - 4×3×2m, Heavy-Duty Steel Frame, Weatherproof Storage & Plant Protection

  • Brand: Mhstar Uk Ltd
  • Gender: Unisex
  • Location: National Deal
Save 51 %!
Walk-In PE Polytunnel Greenhouse Storage Shed - Weatherproof, Steel Frame, 3x2x2m, Zipped Door

NOW

£ 79.99

£ 161.99

Walk-In PE Polytunnel Greenhouse Storage Shed - Weatherproof, Steel Frame, 3x2x2m, Zipped Door

  • Age group: Adult
  • Brand: Mhstar Uk Ltd
  • Gender: Unisex
Save 51 %!
Outsunny 6 x 3 x 2 m Walk-in Polytunnel Greenhouse Storage Shed - Galvanised Steel, Weatherproof, Large Capacity

NOW

£ 143.99

£ 199.99

Outsunny 6 x 3 x 2 m Walk-in Polytunnel Greenhouse Storage Shed - Galvanised Steel, Weatherproof, Large Capacity

Excellent Ventilation: Featuring 8 mesh windows and a roll up zippered door, the greenhouse provides excellent ventilation, maintaining a perfect growing environment for your plants.Robust and Sturdy: Built with a solid galvanised metal frame, the greenhouse provides a robust structure that ensures the longevity and durability of your indoor garden.

3 bought

Save 28 %!
Walk-In Polycarbonate Greenhouse Storage Shed 6.2x8.3x6.6ft - Aluminium Frame, Weatherproof, Shatterproof Panels

NOW

£ 399.99

£ 449.99

Walk-In Polycarbonate Greenhouse Storage Shed 6.2x8.3x6.6ft - Aluminium Frame, Weatherproof, Shatterproof Panels

Integrated Rain Gutters. Collect rainwater for eco friendly garden use Roof Ventilation Window.
Save 11 %!
4.5x3x2m Walk-In Storage Greenhouse with Weatherproof PE Mesh Cover - Heavy Duty Galvanised Steel Frame

NOW

£ 74.99

£ 137.99

4.5x3x2m Walk-In Storage Greenhouse with Weatherproof PE Mesh Cover - Heavy Duty Galvanised Steel Frame

Rust, corrosion, and weather resistant for long lasting durability Six Roll Up Mesh Windows. Boosts ventilation and lets you monitor plants easily Spacious Walk In Design.
Save 46 %!
Walk-in Greenhouse Storage Shed with Clear PE Cover, Steel Frame & Roll-up Door - 3x2x2m Weatherproof

NOW

£ 62.99

£ 127.99

Walk-in Greenhouse Storage Shed with Clear PE Cover, Steel Frame & Roll-up Door - 3x2x2m Weatherproof

Windproof Stability. Includes 12 ground stakes and 4 guy ropes for secure installation (windproof up to level 4) Durable Powder Coated Steel Frame.
Save 51 %!

Transform your garden with our exclusive selection of Greenhouse 3. At Wowcher UK, we understand how a sturdy, easy-to-assemble greenhouse can extend your growing season, protect plants, and simplify watering and temperature control. Whether you're a weekend gardener or a budding allotment keeper, Greenhouse 3 makes gardening more predictable and enjoyable.


Imagine stepping into a warm, bright space where tomatoes, peppers, herbs, and seedlings thrive all year round. With features like UV-stabilized polycarbonate panels, rust-resistant aluminium frame, adjustable vents, and sturdy foundations, Greenhouse 3 is built to last and to help you maximize yields while keeping costs manageable.


Unbeatable Deals on Online Greenhouse 3


At Wowcher UK, discover special offers on Greenhouse 3 models and compatible accessories to transform your garden without breaking the bank. Our range covers compact lean-to designs to larger walk-in greenhouses with full-length sidewalls, all designed to fit backyard spaces and allotments.


Shop with confidence: our Greenhouse 3 listings come from reputable brands, with durability, easy assembly, and great value for growing equipment, garden tools, and plant protection gear.


Frequently Asked Questions

What to Consider When Choosing a Greenhouse 3?


Size and footprint are key. Measure your space for a greenhouse that offers enough height for tall plants and enough width for benches and potting areas. If you’re tight on space, look for a lean-to Greenhouse 3 that attaches to a wall and uses the existing structure for stability.


Frame materials matter: aluminium frames resist rust and stay lightweight, while galvanized steel options provide extra strength. For warmth and light, choose twin-wall polycarbonate panels that diffuse sunlight and help retain heat, reducing energy use in cooler months.


Ventilation and climate control are crucial for healthy plants. Look for adjustable roof vents, side vents, or even automatic vent openers linked to temperature sensors so your Greenhouse 3 manages airflow even when you aren’t home.


What Are the Most Popular Types of Greenhouses?


The lean-to greenhouse 3 is perfect for small urban plots, offering easy integration with a wall for added stability and shared heat. A walk-in greenhouse 3 provides generous interior space, excellent for raised beds, mature fruiting plants, and a dedicated grow room setup. For those who want a freestanding solution, traditional pitched-roof and polycarbonate paneled designs remain popular for their balance of light, insulation, and affordability.


If you’re seeking portability, consider a portable ground-to-wall transition model with a modular kit that can expand as your garden grows. Regardless of style, look for UV protection on panels and corrosion-resistant hardware to ensure longevity in UK weather.


How to Maintain a Greenhouse 3?


Regular cleaning removes dirt, algae, and pests that can hinder plant growth. Use non-abrasive cleaners and rinse panels to prevent residue buildup. Check seals around panels and doors to prevent drafts and moisture ingress, reapplying sealant if necessary.


Humidity and airflow are crucial for disease prevention. Use extracts or dehumidifiers in damp climates and ensure vents operate smoothly. Schedule seasonal maintenance to inspect the frame for any rust or corrosion and tighten fittings to preserve stability during strong winds.


Watering and irrigation are easier with a proper system. Add a drip irrigation setup or simple hose attachment with a timer to keep soil consistently moist. Shelving and potting benches help keep tools and plants organized, making daily tasks more efficient.


With the right maintenance routine, Greenhouse 3 stays resilient against UK rain, frost, and humidity, giving you year-round growing potential and reliable results.


What Accessories Complement Greenhouse 3?


Think about climate control accessories such as a greenhouse heater or thermostat to extend the growing season into cooler months. A solar-powered fan, automatic vent openers, and shade cloth can regulate temperature during hot spells, protecting tender seedlings and tropical plants alike.


Irrigation upgrades like drip lines, rain barrels, and water timers simplify watering while conserving water. For gardeners cultivating herbs, leafy greens, or fruiting crops, sturdy interior shelving, seed trays, and a potting bench keep everything within reach and organized.


Lighting options, including grow lights, can supplement natural daylight during shorter days and support seedlings ready for transplant. Guttering and downspouts reduce water pooling around the base and improve drainage, extending the life of your greenhouse foundation.


Is Greenhouse 3 Suitable for Winter Growing?


Yes. A well-insulated Greenhouse 3 with polycarbonate panels and a reliable heating system can maintain warmer temperatures than the outside environment, enabling winter vegetable production and seedling overwintering. Combine a thermostat, heater, and proper insulation to minimize energy costs while maximizing yields.


In addition, vertical storage, robust flooring, and a sealed base prevent cold air from seeping underneath. For gardeners in colder regions, consider a high-quality cover or insulating winter blankets for particularly frosty nights. With Greenhouse 3, winter care becomes a predictable, rewarding part of your growing routine.


Whether you’re growing tomatoes, cucumbers, peppers, herbs, or delicate seedlings, Greenhouse 3 from Wowcher UK offers versatile options, quality materials, and thoughtful features to support your passion for gardening all year long.