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Palram Canopia 8x20 Hobby Gardener Greenhouse

"Grow with ease and confidence in the Palram - Canopia 8x20 Hobby Gardener Greenhouse, designed for durability and optimal plant growth. With a sturdy resin frame, UV-protected polycarbonate glazing, and easy assembly, this greenhouse is a must-have for any garden or allotment. Backed by a 5-year warranty for peace of mind."

More Sizes:

Add a Base Plinth (Recommended):

Do I need a Base Plinth?

Vitavia Greenhouse Base Plinth

Add a galvanized steel base plinth for strength and stability. Ideal for placing straight onto slabs or concrete. Includes corner posts for soft ground installations. Your greenhouse MUST sit on a raised plinth. You can build one from bricks, timber or easiest is to buy this base plinth with your new greenhouse.

Base Kit + £347

Add Palram - Canopia Ventilation?

Qty 1

Palram - Canopia Ventilation information

Palram - Canopia Louvre Vent - £101.00
Palram - Canopia Louvre Vent

This 10 blade louvre vent will help ventilate your greenhouse by letting in cool air to circulate around the greenhouse.


Add Palram - Canopia Greenhouse Options?

Qty 1
Drip Irrigation Kit
+ £36
Trellising Kit
+ £45
Qty 1

Palram - Canopia Greenhouse Options information

Palram - Canopia Steel Work Bench - £77.00
Palram - Canopia Steel Work Bench

This heavy duty steel work bench with lower shelf is ideal for working in the greenhouse as well as storage.


Drip Irrigation Kit - £36.00
Drip Irrigation Kit

Connects to water tap. Has a drip regulator to control dispersal.


Trellising Kit - £45.00
Trellising Kit

Easily hang your plants and vine crops.
6 Roller Hooks Spool & twine
6 Metal Shims
48 Tomato/Pepper Clips
12 Radial Support Hooks - Tomatoes + Cucumbers
12 Courgette Clips


Palram - Canopia 2 Tier Staging - £63.00
Palram - Canopia 2 Tier Staging

Heavy Duty resin 2 tier staging with drainage holes for plant storage. Height: 850mm Depth: 400mm Width: 800mm


The Palram - Canopia 8x20 Hobby Gardener Greenhouse is tough and ideal for the UK’s often blustery, wet weather. The Hobby Gardener is perfect for family gardens or allotment use as it’s polycarbonate glazing won’t shatter.

The Hobby Gardener 8ft x 20ft Greenhouse is made from poly resin which won’t bend or discolour like aluminium. Complete with it’s 4mm polycarbonate glazing this greenhouse weighs in at 375 lb’s making it a good sturdy weight which will help it to survive harsh wind and snowy conditions.

The Hobby Gardener 8 x 20 has a 4 opening roof vents and double outward opening doors with locking latch. Palram - Canopia greenhouses are very easy to assemble as they use a unique snap-together system making it easy to do-it-yourself.

  • Easy to Build
  • 2.59m (8ft 6") Wide Greenhouse - Perfect for garden or allotment
  • Green Thick Resin Frame - Tough and Rigid
  • Barn Shaped Roof - Optimum growing height
  • 4mm Twin Wall Polycarbonate Glazing - UV Protection for Plants
  • Double Doors with latch - Easy access
  • Lockable Door Handle - Secures door in place for good wind resistance.
  • 4 Opening Roof Vents - For Ventilation.
  • 5 Year Warranty - Covers Rust and Discolouration

1-Man Deliveries: Your new Palram Shed or Greenhouse will be delivered within 3-5 working days.

2-Man Deliveries: Larger items will be delivered within 7-10 working days.

You will receive a text message from Arrow XL to schedule your delivery. Please respond as soon as possible to ensure prompt delivery.

Greenhouse Size Diagram

Greenhouse Dimensions

A: Greenhouse width

2590mm (8′ 5″)

B: Greenhouse depth

6310mm (20′ 8″)

C: Ridge height

2070mm (6′ 9″)

D: Eaves height

1340mm (4′ 4″)

E & F: Door Size

1200mm (3′ 11″) x 1700mm (5′ 6″) (aperture)

Minimum Base Size

2590mm (8′ 5″) x 6310mm (20′ 8″)