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Palram Canopia Harmony 6x12 Silver Polycarbonate Greenhouse
- 6ft 0" wide x 12ft 1" deep
- Silver Powder Coated Aluminium Frame
- Clear Single Wall Polycarbonate
- 2 x Roof Vent
- Built-in gutters
- Base Plinth Included
- Locking Hinged Door
- 5 Year Warranty
Greenhouse Dimensions
A: Greenhouse width
1850mm (6′)
B: Greenhouse depth
3700mm (12′ 1″)
C: Ridge height
2080mm (6′ 9″)
D: Eaves height
1340mm (4′ 4″)
E & F: Door Size
565mm (1′ 10″) x 1630mm (5′ 4″) (aperture)
Minimum Base Size
1850mm (6′) x 3700mm (12′ 1″)
The Palram Canopia Harmony 6x12 in silver is a smart little greenhouse that`s perfect for any little garden or allotment. Clear polycarbonate makes it very safe for family use.
The Harmony 6ft x 10ft greenhouse is packed with some great features. The clear as glass polycarbonate, a proper opening door with latch and the slide in glazing system where you won`t be needing fiddly glazing clips. The slide in glazing system also helps with wind resistance to help stop glazing popping out in windy conditions.
This Palram Canopia Harmony 6x12 has a single opening roof vent for ventilation, an outward opening door, aluminium base and integral gutters.
Not Suitable for Windy or Exposed Positions
For an exposed site, compare frame strength, glazing and anchoring together. Browse our toughened glass greenhouses and ask us about the options for your garden.
- Easy to Build
- 1.85m (6ft) Wide Aluminium Silverhouse
- Crystal Clear Polycarbonate Glazing
- Powder Coated Aluminum Frame
- Built in gutters
- Galvanized Steel Base Plinth
- Locking Outward Opening Door
- Sliding Panel Assembly System
- 2 Opening Roof Vents
- 5 Year Warranty
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 Dimensions
A: Greenhouse width
1850mm (6′)
B: Greenhouse depth
3700mm (12′ 1″)
C: Ridge height
2080mm (6′ 9″)
D: Eaves height
1340mm (4′ 4″)
E & F: Door Size
565mm (1′ 10″) x 1630mm (5′ 4″) (aperture)
Minimum Base Size
1850mm (6′) x 3700mm (12′ 1″)
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Frequently Asked Questions
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What are the different types of Polycarbonate Glazing?
Clear Polycarbonate: This polycarbonate is completely clear like glass. It is very thin at 0.2mm, but extremely tough and shatterproof.
Twin Wall Polycarbonate: This polycarbonate is virtually unbreakable and high impact resistant. They are slightly opaque, preventing strong sunlight exposure, yet offer 80% light transmission with high thermal insulation. The panels are 100% UV protected and will not discolour, fracture or shatter.
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Is polycarbonate glazing strong enough?
Yes it’s shatterproof and high impact resistant. However, as polycarbonate is very light, we do not recommend placing these greenhouses in exposed areas with high wind.
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Does the greenhouse come with a floor?
No, there is no floor or base. These greenhouses are ideally to be placed on a concrete, slab or decking base.
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How do I secure the greenhouse to my foundation?
We recommend securing the greenhouse to a hard, level surface (concrete, slabs, or decking) immediately after construction. This is essential for the stability and rigidity of your new greenhouse. You can use a screw and a washer through the compatible pre-drilled holes in the greenhouse frame into a raw plug in your concrete/slab surface.
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Will you let me know when the delivery is?
Yes, you will be notified by text where you can then pick which delivery day suits you. Easy!
How to Prepare Ground for a Greenhouse Base
A solid base is the backbone of any greenhouse. You might think skipping this step saves time, but trust me?I've seen plenty of greenhouses fail because of poor foundations. A dodgy base causes more headaches than you'd believe.
What happens with a bad base? Glass cracks. Doors jam. The structure twists. Water pools where it shouldn't. And fixing these problems costs way more than doing it right first time.
Best Position for a Greenhouse UK: Expert Placement Guide 2026
The best position for a greenhouse in the UK is south-facing with the ridge running east to west. Keep at least 2 metres from buildings and trees, on level ground with good drainage. A south-facing 6x8 greenhouse runs 3-5 degrees C warmer than the same model facing north.