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Palram Canopia Greenhouses

Entry-Level (Hybrid, Harmony & Mythos)

Perfect for beginners, these are Palram's most popular aluminium models. The Hybrid features crystal-clear walls with a twin-wall roof for balanced light and plant protection. The Harmony uses crystal-clear panels throughout for maximum sun exposure (up to 90% light transmission). The Mythos has diffused twin-wall panels all over, giving you better insulation and frost protection in colder months. All three ranges include a 5-year warranty on frames and panels.

High-Spec & Large (Glory, Balance & Resin Models)

For serious growers who need year-round performance, the Glory is Palram's premium aluminium range with 10mm twin-wall panels (twice as thick as entry models) and an integrated auto-vent for temperature control. The Balance offers an extra-wide 8ft frame with double doors, making it easier to move wheelbarrows and large plants in and out. The Eco, Hobby, and Grand Gardener models feature ultra-tough resin frames (not aluminium) with a barn-style roof that provides 20?30cm more headroom than peaked designs.

Lean-To Greenhouses

Ideal for saving space, these models attach directly to your house or garage wall and benefit from the building's stored heat. The Sun Room is a popular lean-to with a durable resin frame and 4mm twin-wall roof, using 40% less garden space than freestanding models. Palram also offers compact aluminium lean-to greenhouses (like the 4x2) that are perfect for patios, balconies, or narrow side passages.

Unique Styles & Garden Rooms (Oasis, Bella, Natura & Ledro)

Looking for a garden centrepiece? The hexagonal Oasis offers 360-degree views and works beautifully as both a greenhouse and decorative feature. The Bella features a unique curved ?bell? shape that provides extra wind resistance and 15% more internal height. The Natura combines a beautiful timber-look frame with the durability of polycarbonate panels. The Ledro is a premium garden room, perfect for use as both a greenhouse and an outdoor living space with stylish grey finishes.

Frequently Asked Questions

  • What's the difference between twin-wall and clear polycarbonate?

    It's a choice between insulation and light transmission. Twin-wall polycarbonate (used on the Mythos and Glory) has two layers separated by air pockets, offering 30–40% better insulation, frost protection down to -5°C, and diffused light that prevents scorching on delicate seedlings. Clear polycarbonate (used on the Harmony and Hybrid) provides over 90% light transmission with a crystal-clear, glass-like view that's perfect for sun-loving crops like tomatoes and peppers.

  • Are Palram greenhouses hard to build?

    No, they're one of the easiest brands to assemble. Palram's “Slide & Lock” panel system means no frustrating clips or fiddly brackets—the panels slide directly into the rust-proof aluminium frame and lock into place. Most 6x8 models can be comfortably built in 4–6 hours by two people with basic DIY skills and a Phillips screwdriver.

  • Do Palram greenhouses need a foundation?

    Yes, all greenhouses require a firm, perfectly level base for stability and to prevent door misalignment. Almost every Palram greenhouse includes a galvanised steel base frame in the kit, which saves you £80–£150 compared to buying separately. This base is designed to be anchored onto paving slabs, a concrete pad, or a wooden deck using the included ground anchors.

  • Is polycarbonate really better than glass?

    For most family gardens, yes. Palram's “virtually unbreakable” polycarbonate is 200 times more impact-resistant than glass and won't shatter from a stray football or hailstones. It provides 20–25% better insulation than standard 3mm horticultural glass, keeping your greenhouse 2–3°C warmer in winter. It also blocks 99.9% of harmful UV rays while allowing the beneficial light spectrum through for healthy plant growth.

  • How long will a Palram greenhouse last?

    Palram greenhouses are built to last 20–25 years with minimal maintenance. The rust-proof aluminium and durable resin frames won't rot, warp, or degrade like timber alternatives. The polycarbonate panels are UV-protected, so they won't turn yellow, crack, or become brittle over time. Every model comes with a minimum 5-year UK warranty (up to 10 years on premium ranges like the Glory) covering both frames and panels.