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Are Glass UPVC Conservatories Cold?

An extension is always a great addition to any home or property and while it’s a handy space, it also helps to enhance the visibility of the garden. If you plan to extend, the choice is yours as you can develop a customized design to give you the much desired appearance as well as function. However, in order to give more natural light to a single storey extension and for a more modern look, so many homeowner’s wonder the viability of glass roof. The short and quick answer to this question is yes, but will this lead to a trade off when it comes to heat loss?

If you’ve had the chance of making use of a poorly designed conservatory, you’d be in a better position to explain how weather affects the living space. Due to fact that glass is being used, heat becomes very difficult to retain as it easily leaves the conservatory. However in the summer, this quality can actually be helpful as conservatories without the right glass or the appropriate vents can heat up in just an hour or even less. Overall, all these are extremes a glass roof extension wouldn’t suffer but there are still a few things to be learned.

First and foremost, glass needs to insulate the space, it’ll never perform as good as a flat roof when you make use of a cheap glass. Then secondly, the installation of the glass roof extension has to be designed and carried out for your unique home or property by a specialist due to the fact that both size and direction would have to be put into consideration. This way, your UPVC conservatory wouldn’t have to so cold and unusable especially during the winter months.

If you’re worried about your conservatory being too hot in the summer and too cold in the winter, you can insulate it. Older conservatory roofs are made from inefficient polycarbonate, which means that up to 25% of all the heat lost in a conservatory escapes from the roof.

To insulate your conservatory roof, you can install blinds or curtains – but they can go mouldy from condensation. There are two other options that are more long-term that could be better: upgrading the polycarbonate in the roof or opting for a solid conservatory roof.

You can add a thicker polycarbonate roof panel with better thermal efficiency if the glazing bars on your conservatory will expand to fit. This will offer better insulation, but may not last very long – maybe less than 10 years.

A solid conservatory roof is a new way of making your conservatory usable all year round. Most existing conservatory frames will be able to support a lightweight metal structure and slate-like tiles to match your home’s roof. Or you can opt for a hybrid option where the solid and glass parts are merged together. This will insulate your conservatory roof so it never gets too hot or too cold.

Many conservatories fall under permitted development which means they don’t require planning permission. There are exceptions to this though, especially if you’re looking to have a large conservatory installed. Read our guide on conservatory planning permission for more information.

Whilst you may think conservatories are nearly all made from glass, this doesn’t have to be the case. If you live in a built-up area you could have a tiled rooftop to enable extra privacy, use obscure glass and even invest in blinds.Be aware that solid walls are possible but if the conservatory is manufactured with less than 50% of glass, you’ll need Buildings Regulations approval.