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Greenhouses, Frames and Growing Accessories

GARDENER 300 3 × 8 m Polycarbonate Greenhouse, 4 mm

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A greenhouse with room to plan your growing space

Meet the GARDENER 300 The GARDENER 300 is a 3 × 8 m polycarbonate greenhouse with a stated area of 24 m². It measures 800 cm long and 212 cm high. Use these measurements to check the available space and consider how the greenhouse will fit into your garden.

Product details

  1. Galvanised steel frame: The frame is made from galvanised steel, with galvanising listed as its rust-protection treatment. The listed frame dimensions are 20 × 40 mm and 20 × 20 mm.
  2. 4 mm polycarbonate covering: The greenhouse has 4 mm polycarbonate covering. The listed quantity is seven sheets, each 6 m long, a detail to consider when planning the covering.
  3. A 3 × 8 m footprint: The stated area is 24 m², with a listed length of 800 cm and height of 212 cm. Compare these measurements with the space you have in mind.
  4. Two doors and two windows: Two doors provide access, and two windows are included to help with ventilation, as described in the product information.
  5. Arches spaced 100 cm apart: The arches are 100 cm apart. This spacing, together with the listed frame dimensions, gives you more detail to consider when comparing the greenhouse layout with your plans.

Experiences with Bloomcabin

  1. "Ordering from Bloomcabin was straightforward, and the team answered my questions before I purchased. I'm very happy with my choice." – Olivia Wilson
  2. "My order arrived carefully packaged and was exactly as described. The quality met my expectations, and I would happily purchase from Bloomcabin again." – Jack Thompson
  3. "I had a question about my delivery, and Bloomcabin's customer support was friendly and helpful. They kept me informed and made the whole experience easy." – Charlotte Brown

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We offer flexible and secure payment methods to make your shopping experience smooth and convenient.

Order now and save 45% with Bloomcabin. Bring your home and garden ideas to life, with helpful customer support from choosing your product to arranging delivery.



  • Article number: PRT10100401-00341-2xPRT10100201-00285-4mm
  • Colour: Clear / transparent
  • Size: 3x8 m
  • Height: 212 cm
  • Length: 800 cm
  • Area: 24 m2
  • Polycarbonate thickness: 4 mm
  • Polycarbonate sheets: 7 sheets / 6 m
  • Doors: 2 pcs
  • Windows: 2 pcs
  • Frame: Galvanised steel
  • Frame thickness: ∎ 20x40 & 20x20 mm
  • Rust protection: Galvanising
  • Arch spacing: 100 cm
  • Packaging: 2 packages; package dimensions: 211 × 12 × 3 cm; package weight: 0.7 kg; 1 package; package dimensions: 211 × 12 × 3 cm; package weight: 1.5 kg; 2 packages; package dimensions: 9 × 12 × 29 cm; package weight: 3 kg; 2 packages; package dimensions: 170 × 8 × 4 cm; package weight: 4.1 kg; 1 package; package dimensions: 170 × 12 × 4 cm; package weight: 6.2 kg; 1 package; package dimensions: 19 × 21 × 24 cm; package weight: 7.9 kg; 2 packages; package dimensions: 293 × 76 × 5 cm; package weight: 8.1 kg; 2 packages; package dimensions: 98 × 14 × 8 cm; package weight: 8.4 kg; 1 package; package dimensions: 293 × 76 × 7 cm; package weight: 11.3 kg; 1 package; package dimensions: 98 × 26 × 8 cm; package weight: 19.8 kg; 1 package; package dimensions: 102 × 220 × 15 cm; package weight: 29 kg; 1 package; package dimensions: 210 × 80 × 80 cm; package weight: 53 kg
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10 year warranty
Bloomcabin takes pride in its high-quality products and maintains these standards every day through a range of manufacturing and quality-control processes. This is backed by a 20-year warranty covering wood rot in timber structures and a 10-year warranty covering functional defects.
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