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Welcome to Building Plastics Online your No.1 Choice for High Quality Building Plastics in the UK
FREE DELIVERY AVAILABLE On 1000s of products |
PREMIUM QUALITY PRODUCTS We stock ONLY high quality plastics |
UNBEATABLE SUPPORT Our customer support is second to none |
OVER 200 UK BRANCHES 200+ Branches delivery or Click & Collect |
Welcome to Building Plastics Online your No.1 Choice for High Quality Building Plastics in the UK
PREMIUM QUALITY PRODUCTS We stock ONLY high quality plastics |
UNBEATABLE SUPPORT Our customer support is second to none |
OVER 200 UK BRANCHES 200+ Branches nationwide, deliver or collection |
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PREMIUM QUALITY PRODUCTS We stock ONLY high quality plastics |
OVER 200 UK BRANCHES 200+ Branches nationwide, deliver or collection |
UNBEATABLE SUPPORT Our customer support is second to none |
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Whether you're a seasoned green thumb or just starting out, finding the right greenhouse can make a huge difference in your gardening journey. One of the most trusted names in the market today is Canopia by Palram, known for their high-quality polycarbonate greenhouses. These structures combine strength, smart design, and modern aesthetics, making them a favourite for home gardeners across the globe.
So, what makes our polycarbonate greenhouses stand out? Let’s dig in.
One of the biggest reasons gardeners love our greenhouses is that they’re truly designed for year-round use. Made with virtually unbreakable polycarbonate panels, these greenhouses provide excellent insulation while allowing plenty of natural light to filter through.
There are typically two types of polycarbonate used in our greenhouses:
Twin-wall polycarbonate, which offers better insulation and diffuses light—ideal for growing plants that don’t like direct sunlight.
Crystal-clear solid polycarbonate, which mimics the appearance of glass while being far more durable.
This smart combination allows you to balance light transmission and heat retention, so your plants thrive even when the weather doesn’t cooperate.
Beyond the panels, our greenhouses feature strong, rust-resistant aluminium frames, designed to withstand harsh weather conditions, including wind, snow, and heavy rain. For gardeners in climates with unpredictable weather, this peace of mind is priceless. You don’t have to worry about panels cracking in the cold or frames warping in the summer heat.
Some models, like the Hybrid or Mythos, even come with built-in rain gutters to help direct water away from the foundation, a thoughtful touch that helps maintain the structure and protect your garden.
BPO greenhouses are made for DIYers. They come in flat-pack kits with pre-cut panels and detailed instructions. Most models can be assembled by two people using basic tools, eliminating the need to hire a professional.
The panels simply slide into place and lock into the frame, which not only makes installation easier but also improves wind resistance. And once it’s all set up, you’ve got a greenhouse that requires very little maintenance. A quick rinse with water and occasional checks for debris in the gutters are usually all that's needed.
We offer a variety of models and sizes to suit everything from small urban patios to larger backyard spaces. Some popular series include:
Hybrid Series: A great entry-level greenhouse, blending clear and twin-wall polycarbonate for balanced performance.
Mythos Series: Fully twin-wall panels for gardeners who prioritise insulation and protection.
Balance Series: Roomy and stylish, with lots of headroom and full-length clear panels for a premium look.
Glory Series: A high-end option built for serious growers, with reinforced framing, extra-thick panels, and heavy-duty features.
You can find our greenhouses ranging from compact 4x6-foot sizes to more spacious 8x20-foot models, so whether you're growing herbs on your balcony or running a full-fledged vegetable garden, there’s a fit for you.
Proper airflow is key in any greenhouse, and Canopia delivers here, too. Most models include at least one roof vent to release hot air and maintain humidity levels. Some also offer automatic vent openers, which adjust based on temperature—perfect for those who want to “set it and forget it.”
We also offers a range of compatible accessories, like shelving kits, plant hangers, and shade nets, helping you customise your space for whatever you’re growing. Want to maximise your vertical space? Add tiered shelves. Need to protect delicate seedlings? A shade kit can help with that.
Another great perk of our polycarbonate panels is that they’re UV-protected and 100% recyclable. Unlike glass, which can shatter and pose a safety risk, polycarbonate is impact-resistant and safer for households with kids or pets. You get the look of a classic glass greenhouse without the fragility.
Also, the materials used in our greenhouses are non-toxic and safe for food-growing environments. That means you can plant your tomatoes, herbs, or lettuce without worrying about contamination from building materials.
While our greenhouses aren’t the cheapest on the market, they strike an excellent balance between affordability and durability. You’re paying for a structure that’s built to last, weather-resistant, low-maintenance, and highly functional. It’s a long-term investment in your garden and in your ability to grow fresh produce, flowers, and plants year-round.
With long warranties (some up to 10 years) and strong customer support, Canopia stands behind their products. That’s a level of confidence that buyers appreciate, especially when making a significant purchase.
If you’re in the market for a greenhouse that’s tough, user-friendly, and designed to actually support your plants, not just look pretty in the yard, our polycarbonate greenhouses are a top choice. From small-scale herb gardens to serious growing operations, these greenhouses make it easier to grow more, grow better, and grow all year.
So whether you’re dreaming of juicy tomatoes in January, vibrant flowers in spring, or crisp lettuce in the middle of summer, we give you the tools to create a greenhouse environment that works with you, not against you.
Happy growing!
“Very impressed this time around!!! (disappointed with communication and delivery in first lockdown) and left a negative review which I updated after delivery. I can now understand all the good reviews before the pandemic. Still the cheapest by far and the products are spot on. I've just placed another order - Thank you keep up the good work” Jason Wright | ![]() |
“Very impressed this time around!!! (disappointed with communication and delivery in first lockdown) and left a negative review which I updated after delivery. I can now understand all the good reviews before the pandemic. Still the cheapest by far and the products are spot on. I've just placed another order - Thank you keep up the good work”
Jason Wright
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