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Conservatory Roof Insulation

Does Conservatory Insulation Work

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Does Conservatory Insulation Work

14th July 2021

How can I reduce heat loss from my conservatory?

Conservatory Heat Loss

A conservatory can be a wonderful addition to your home, giving you a light, airy additional space. However, you’ve likely realized that you’re only really able to use it part of the year. Apart from those few weeks where the temperature is just right. The rest of the year you’ll left trying to figure out the best way to insulate your conservatory because its either too hot or too cold.


Glass and polycarbonate, which conservatory roofs are traditionally made of, are poor insulators. Despite how you try to heat your conservatory in the winter the heat will escape through the roof, and on the flip side your conservatory can feel like a sauna in the summer months. Conservatory roof insulation helps regulate the temperature in your conservatory and makes it into a room you can enjoy all year round.

Conservatory Heat Loss
Conservatory Replace Roof

Should I replace my conservatory roof?

Conservatory Heat Loss

Replacing glass or polycarbonate with a solid tiled roof may be something you have considered. This is undoubtedly the most aesthetically pleasing option. However, this can be a very costly route to go down. In some instances, you could end up paying as much as it cost to have the conservatory built.


You also may you may need building regulation approval to replace your conservatory roof. When conservatories were first used, they were considered a temporary structure. Adding a solid roof makes them permanent so planning permission could be required as a ‘change of use’ has occurred.

What is conservatory insulation?

Conservatory Insulation Feature

Conservatory roof insulation is the cost-effective alternative to a solid tiled roof, with insulation being installed to the inside of your existing conservatory roof. It gives you the same insulation benefits at a fraction of the cost, the only drawback being that your roof will still look the same from the outside.


We use a multi-layered foil insulation system, specifically developed for conservatory roof insulation which is equivalent of 4 inches of loft insulation. The system was inspired by NASA, who use multi-foil insulation to protect the equipment and crew of their spacecraft from the extreme conditions of space travel. It is finished with tongue and groove insulated UPVC panels to give a maintenance-free bright appearance.

Conservatory Insulation Feature
Conservatory Care

How does conservatory insulation work?

Conservatory Care

Multi foil insulation is often used in new builds, but it can be added to older properties. More energy efficient than many traditional types of insulation, it reduces heat loss in winter, keeps the heat out in summer, and dampens the noise from bad weather. The use of multiple layers traps in the heat - much like wearing many layers of clothing rather than one big thick layer would.


Our friends at SuperQuilt calculated the difference it can make to the U-value of your conservatory.


U-value of a polycarbonate conservatory roof - 3.08 W/m²K

U-value with Sagars 365 insulation added - 0.46 W/m²K

What are the benefits of insulating a conservatory roof?

Conservatory Care

Our conservatory roof insulation system will keep your conservatory warmer in winter, cooler in summer, and quieter in bad weather. It also prevents sun bleaching to your furnishing from strong UV rays and can save you money on your energy bills. Insulating your conservatory may also add value to your house.


Just imagine what you could do with that extra room in your house that you could use all year round. It could be used as a home office, a playroom for the kids, or even as a bar or a gym. The possibilities are endless.

Conservatory Care
Conservatory Care

What is the cost of conservatory insulation

Conservatory Care

The price of our 365 insulation system starts at £1,699 for a typical 3x3 metre conservatory. That included VAT, fitting, and a 10 year guarantee. To find out how much it would cost to transform your conservatory into a room you can use 365 days a year, click here to request a quote!

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