In this guide we’ll take a look at the best polycarbonate greenhouses.
We’ve compared design, size, construction quality and cost
to give you our top recommendations.

What is the Best Polycarbonate Greenhouse?

IMAGERECOMMENDED PRODUCTSPRODUCTFEATURES
  • Over 90% light transmission
  • Vent window kit aids ventilation
  • Virtually unbreakable high quality panels
  • Silver, green or grey options
  • 70% light transmission
  • Range of sizes available
  • Green or silver paintwork
  • 100% shatterproof
  • Rain gutters included
  • Flexible sliding door
  • Adjustable roof vent for airflow
  • Lightweight and portable
  • 3 Shelves
  • Twin walled polycarbonate
  • Hinged top and doors

More Detailed Polycarbonate Greenhouse Reviews

Palram Harmony Clear Polycarbonate Greenhouse

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FEATURES
  • Over 90% light transmission
  • Vent window kit aids ventilation
  • Virtually unbreakable high quality panels
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Palram Harmony Clear Polycarbonate Greenhouse Review

The Palram Harmony Clear Polycarbonate Greenhouse is the best polycarbonate greenhouse for the UK market. Constructed from clear and virtually unbreakable polycarbonate panels, this provides the ideal environment for most plants to grow – with over 90% light transmission.

With a rust resistant aluminium frame, this greenhouse is long lasting and great quality. It comes with vents, gutters and the galvanised steel base included, as well as a 5 year warranty for peace of mind.

This greenhouse has a peak height of 2.09m so there’s plenty of space to move and tend to your plants. It’s very weather resistant, withstanding winds of up to 75km/hr, while the sliding panel system makes it easy to assemble.

Palram Mythos Silver Polycarbonate Greenhouse

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FEATURES
  • Silver, green or grey options
  • 70% light transmission
  • Range of sizes available
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Palram Mythos Silver Polycarbonate Greenhouse Review

The Palram Mythos Polycarbonate Greenhouse is the best polycarbonate greenhouse for small gardens. With the smallest size available 6ft x 4ft, this greenhouse ensures that a lack of garden space needn’t mean a lack of plants! Despite the small size, it has a 208cm peak height for easy maneuverability inside.

With over 70% light transmission, this creates the perfect environment for your plants. It comes with vents, gutters, and a galvanised steel base included, with various other accessories available.

Finally, this attractive and aesthetic greenhouse is exceptionally durable. No matter the size you go for, this greenhouse comes with a sturdy, rust resistant frame, as well as a 5 year warranty.

Garden Grow Walk-In Polycarbonate Greenhouse

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FEATURES
  • Green or silver paintwork
  • 100% shatterproof
  • Rain gutters included
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Garden Grow Walk-In Polycarbonate Greenhouse Review

The Garden Grow Walk-In Polycarbonate Greenhouse is a stunning walk-in greenhouse with a durable construction and sliding doors that won’t slam shut in strong winds. It’s made from rust proof aluminium that’s easy to maintain, and the polycarbonate panels allow for maximum heat retention and even sunlight.

Complete with rain gutters and a roof window, this greenhouse is well ventilated and resistant to all weather. It has a stylish finish with either green or silver paint options, while the panels are 100% shatterproof.

Each Garden Grow greenhouse has a twin wall and eco-friendly glazing for great insulation. The heavy duty galvanised zinc base comes included, and it’s relatively simple to assemble.

Outsunny Clear Polycarbonate Greenhouse

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FEATURES
  • Flexible sliding door
  • Adjustable roof vent for airflow
  • Lightweight and portable
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Outsunny Clear Polycarbonate Greenhouse Review

The Outsunny Clear Polycarbonate Greenhouse is another that’s great for smaller spaces. Constructed from a sturdy aluminium alloy frame and a high quality polycarbonate board, this greenhouse has a long lifespan. The base provides great stability against winds up to force 6.

This greenhouse retains warmth and sunlight for healthy plants, and the hollow PC board is UV resistant for protection from fierce sunlight. It’s suitable for growing plants year round, with the adjustable rooftop vent allowing for good airflow, and it comes with a rain gutter included.

Finally, this greenhouse is lightweight and portable. It can be easily moved around your garden if needed.

Selections Wooden Polycarbonate Mini Greenhouse

FEATURESRATINGPRICE
FEATURES
  • 3 Shelves
  • Twin walled polycarbonate
  • Hinged top and doors
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Selections Wooden Polycarbonate Mini Greenhouse Review

The Selections Wooden Polycarbonate Mini Greenhouse is an adorable greenhouse for smaller gardens, balconies or patios. This mini greenhouse has an aesthetic wooden frame and twin walled polycarbonate sheets for durability.

With 2 opening doors and a hinged opening top, this greenhouse is easy to access. There’s 3 shelves so ample interior space for your plants, and the design enables it to be placed neatly against the wall of your home. The construction quality is excellent and, provided it’s taken care of, it should last a long time.

It arrives flat packed with very simple assembly required.

Conclusion

A polycarbonate greenhouses is a long lasting and affordable garden investment, helping you to grow healthy plants no matter what the season. For the practically unbreakable structure, range of colour options and 5 year warranty, the Palram Harmony Greenhouse is our top recommendation for the best polycarbonate greenhouse.

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