Last updated: March 11, 2022

Our method

26Products analysed

52Hours spent

11Evaluated articles

214User reviews

A metal greenhouse is a type of structure that uses steel, aluminum or other metals to create an enclosure for plants. The frame can be made from either solid materials or hollow tubes and the walls are usually polycarbonate panels. Metal greenhouses have been around since the early 20th century but they were not widely used until recently because of their high cost compared with glass structures. Today there are many different types available at various price points so it’s easy to find one that fits your budget and needs perfectly.

The best Metal Greenhouse in the UK: Our selection

Metal Greenhouse: Frequently asked questions

What types of Metal Greenhouse are there and what determines a good product?

There are three types of metal greenhouse structures. The first is the most common and consists of a steel frame with glass panels installed in it. This type has been around for many years, but still remains popular due to its low cost and ease of construction. The second type uses aluminum framing instead of steel, which makes them lighter than their counterparts while also providing better insulation properties that help keep your plants warmer during cold weather months as well as cooler when temperatures rise during summertime heat waves. Finally there is the hybrid style greenhouses that use both metals in combination such as an aluminum frame surrounded by a galvanized or stainless steel wall system on one side or two sides depending on how you configure it (see our Hybrid Greenhouse page). These provide excellent strength along with good insulating qualities at a reasonable price point compared to other options available today.

The best Metal Greenhouse is the one that meets your needs. If you are looking for a greenhouse to grow vegetables, then it should be large enough and have proper ventilation so as not to overheat when the sun shines on it during summer days. You will also need shelves or hooks where you can hang up tools such as watering cans or hoses. A good metal greenhouses must also come with a lockable door which keeps out unwanted pests like mice and birds who love feasting on fresh produce.

Who should use a Metal Greenhouse?

Metal greenhouses are best suited for people who have limited space and need a greenhouse that is easy to assemble. They also work well in areas where the temperature can get very cold, as metal will not crack or break like plastic may do when it gets too cold. If you live in an area with high winds, then this type of greenhouse might be better than one made from wood because they tend to be more sturdy and less likely to blow over if there's strong wind gusts.

Based on what criteria should you buy a Metal Greenhouse?

The most important factor is that you should buy a Metal Greenhouse which meets your requirements. You must also consider the price, features and other factors such as whether it’s durable or not. Think about what you need from a product like this before deciding which one to purchase.

The first thing you need to look out for is the quality of the material. It should be made from a high grade steel that will last long and not rust or corrode easily. Another important factor to consider when comparing metal greenhouses is its design and structure, it should have an easy assembly process so that you can set up your greenhouse in no time at all. Also make sure that it has enough ventilation holes as well as windows so air circulates freely inside while keeping pests away too.

What are the advantages and disadvantages of a Metal Greenhouse?


Metal greenhouses are very durable and long lasting. They can be used for many years without any problems. The metal is also rust resistant, so you don’t have to worry about the greenhouse getting damaged from weather elements or time. Another great advantage of a metal greenhouse is that it doesn’t require much maintenance at all. You will not need to paint them every year like some other types of greenhouses do because they won't get rusty in the first place.


The main disadvantage of a metal greenhouse is that it can be more expensive than other types. It also requires regular maintenance to keep the structure in good shape and ensure proper functionality. Metal greenhouses are not as energy efficient as some other options, so they may require supplemental heating during colder months or when temperatures drop below freezing at night.

Shopping Guide: Everything you need to know

Which brands and manufacturers are represented in our review?

In our review, we present products from various manufacturers and suppliers. The list includes products from the following brands and manufacturers, among others:

  • Outsunny
  • Outsunny
  • Outsunny

What is the price range of the featured products?

The cheapest Metal Greenhouse in our review costs around 10 pounds and is ideal for customers who are conscious about their money. However, those who are willing to spend more money for better quality can also spend around 158 pounds for one of the more expensive products.