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Should I Buy A Greenhouse Or Polytunnel?

Should I Buy A Greenhouse Or Polytunnel

Whether you plan on using a greenhouse or a polytunnel for growing plants is a personal decision, but there are a few key things you should consider before making your decision. Climate control, durability, and upkeep are all important considerations.


When buying a polytunnel or greenhouse, remember to take into account the upkeep that you will need to do to ensure that your new structure will remain as good as the day you bought it. It is not uncommon for polytunnels and greenhouses to need to be replaced with a new cover every five to eight years. Fortunately, most of the components of a polytunnel are easy to replace.

The cost of buying a polytunnel or greenhouse depends on the size of the structure, and whether you need a commercial one or a domestic one. If you are purchasing a polytunnel for commercial use, you will need to get planning permission. Commercial polytunnels cost more than domestic polytunnels, but are usually larger. Most polytunnels come with instructions and a professional installer will make sure that everything is correctly installed. They will also advise on irrigation systems and the best plants to grow.

Another factor to consider when purchasing a greenhouse is the location. You will want to ensure that your greenhouse will receive the right amount of sunlight. You should also consider snow load and hail loads. A greenhouse should be positioned in a location that is well-ventilated to maximise the use of light.

Climate control

When buying a polytunnel or greenhouse, climate control is a key consideration. The correct temperature and humidity inside a polytunnel or greenhouse are critical to successful crop production. Temperatures inside a greenhouse or polytunnel can be significantly higher than the outside temperature, resulting in overheating and condensation. To combat this problem, regular ventilation is necessary. A ground to air heat exchanger will also allow more sunlight to reach the plants inside the greenhouse.

When choosing a greenhouse or polytunneling, it’s important to ensure that it provides adequate ventilation, including a through draft. Doors are ideally installed on both sides of the structure. Polytunnels are not the best choice for keeping in heat as they are not very good at keeping it inside. Because of this, they can suffer from condensation, but specialist plastic with anti-fog properties can help reduce the issue. Another advantage of polytunnels is that they do not require hardstanding, which makes them easier to assemble.

A polytunnel or greenhouse can be attached to a house or another building. Attached greenhouses can benefit from an existing load-bearing wall on the property to help support the structure. A freestanding greenhouse can be installed anywhere on a property and provides a more aesthetically pleasing escape from the house. This type of greenhouse allows for earlier planting than a traditional greenhouse. More people are starting to grow their own produce at home. While they can’t compete with commercial growing, polytunnels and greenhouses have unique advantages.


A quality greenhouse or polytunnel can last for decades. Polytunnels are more likely to be damaged in high winds, although the modern types are designed to withstand higher winds. Polytunnels are also more cost effective than greenhouses and are often a better choice for large planting areas.

Before choosing a greenhouse or polytunne, it is important to understand the different materials that are available. For example, greenhouses are typically made of glass and sit on a foundation, whereas polytunnels are made of plastic and are set up directly on the ground. Both types are useful for a range of different plants, but greenhouses are ideal for growing exotic and tropical plants and flowers.

When choosing a greenhouse or polytunne, you must consider its weight, size, and materials. Polytunnels are cheaper and eco-friendly than greenhouses made of plastic. Greenhouses made of wood or glass are more durable than polytunnels made of aluminium or polycarbonate sheet. You can also build a greenhouse using recycled plastic bottles or lego.


If you’re looking to grow plants, you may have considered installing a polytunnel or greenhouse. Unlike regular greenhouses, polytunnels can accommodate multiple crops at once, and they also help extend your growing season. You can also use a polytunnel to cultivate exotic plants.

Both structures require upkeep. Greenhouses require a higher level of maintenance than polytunnels. For example, greenhouses may require additional ventilation and heating systems to keep the temperature correct. Polytunnels, on the other hand, can be relocated, making them ideal for beginners or those whose plans change over time.

Cleanliness is a very important part of greenhouse and polytunnel upkeep. Maintaining a clean environment will help prevent pests and disease. Regularly wipe windows and surfaces and sweep the floors to remove fallen leaves and other debris. Also, over time, parts of a polytunnel or greenhouse can become brittle and need repairs. Replace broken vents, reapply shade paint, and check for damaged or cracked materials.

When choosing a greenhouse or polytunneling, make sure to consider the type of material you want to use. The former is easier to maintain and is more resistant to damage than polytunnels. Polytunnels, on the other hand, are more vulnerable to errant branches.