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FAQs

Which is best, glass or polycarbonate greenhouse? ›

In our opinion, polycarbonate greenhouse glazing is the better choice. It is more durable and shatter-resistant than glass, and it diffuses more light. It also retains heat better than glass greenhouse glazing, making it a better choice for colder climates.

The initial investment for building a greenhouse includes the cost of materials, labor, and permits. In addition, building a greenhouse requires a significant amount of planning, research, and effort. On the other hand, buying a pre-made greenhouse can be cheaper, especially if you opt for a simple model.

The average cost of building a greenhouse for growing food in the United Kingdom is around £500 to £5,000 ($680 to $6,800 USD), depending on the size, materials, and features of the greenhouse. Factors such as the type of glazing, heating system, ventilation, and insulation can also affect the cost.

Polycarbonate is better at retaining heat, making it a much more thermally efficient solution keeping the structure cooler in the summer and warmer in the winter. It also has the ability to reflect away harmful UV radiations, protecting your plants and extending their life span.

However, there are also some cons to consider when choosing between glass or polycarbonate. Polycarbonate panels can scratch more easily than glass, and over time, they may yellow or become cloudy, reducing light transmission. While they are more affordable than glass, they are more expensive than plastic greenhouses.

Greenhouse Polycarbonate

The advantages of using Multiwall Polycarbonate to keep your greenhouse warm this winter are not just the low costs, there's the high light transmission, the safety benefits and the excellent thermal insulation that allows for reduction of the heating costs during the winter.

The cost of the greenhouse

But this isn't usually the case. If you want to purchase a standard-size kit without any customization, you will be able to spend less money than you would have to spend on materials needed to construct the greenhouse.

An unheated greenhouse can be used to grow greens during winter, start warm season annuals, propagate landscape perennials, and shelter frost-tender plants through the winter chill. Besides greens like spinach and lettuce, you can grow cold tolerant veggies such as cabbage and broccoli in your unheated greenhouse.

They became a staple of the country house garden, increasingly elaborate and soon called greenhouses or conservatories because of the 'green' plants that were 'conserved' within.

Do you need planning permission for a greenhouse in England? ›

If you want to construct a greenhouse in your garden, this will normally be classed as a 'permitted development' so planning permission is not usually needed.

Magnum greenhouses are renowned for their space and strength. Being 8ft wide, they offer ample space inside for growing all of your favourite items, and this 8x10 model is an excellent size greenhouse for most gardens.

Modern greenhouses have seen improved results by using transparent materials - many find that clearer is better when choosing the plastic that surrounds your greenhouse. Sunlight should be able to reach the plants inside your greenhouse so that they can go through the process of photosynthesis.

Diffused light is important for a greenhouse, acrylic sheets have been designed for use as a light diffuser. As acrylic sheets are thicker than glass, they provide better light diffusion than standard glass. All the plants in the greenhouse will get an equal amount of sunlight, which is essential for plant growth.

Using a translucent or white greenhouse cover ensures that light spreads evenly from the top of the plant all the way down to the bottom. Generally, if you can use either a clear or opaque cover for your particular plants, you should opt for the opaque choice.

Polycarbonate is practically unbreakable, especially when compared to most glass. Compared to safety glass, polycarbonate is 250 times more resistant to impact. It can handle extreme weather conditions making it a good choice for greenhouses, bus shelters, schools, and hospitals.

Because it's so durable and rigid, multiwall polycarbonate has a significantly longer lifespan compared to greenhouses built with glass panels.

Glass is the highest-quality, highest-price option for greenhouses. It is the heaviest material and can be the most difficult to install, but if installed correctly and protected from shattering. Glass will outlast any other plastic option when considering the life of the product.

Polycarbonate is also less expensive than glass and is much easier to work with.