How much does double glazing cost?

Double glazing will make your home warmer, quieter and cheaper to run – find out how much it costs to install here.

double glazing cost

Double glazing can reduce your fuel bills

One of the main aims of double glazing is to provide insulation, making properties more energy efficient. As double glazed windows should last for 20 years or more, it is wise to look for a good energy rating using The British Fenestration Ratings Council (BFRC) labels. Here you can also discover how to get replacement or new double glazing at the right price.

What is double glazing?

Double glazing is comprised of two sheets of glass with a gap between them which prevents or slows heat loss through the window. Gasses such as argon, xenon or krypton can even be inserted into this gap to provide better insulation. Double glazed window frames are available in a variety of styles and materials such as wood and uPVC, which also have different insulating properties; uPVC frames are more insulating than metal, for example. As mentioned, you can find out the energy efficiency ratings of windows frames and materials using the BFRC classification, whereby A is the most efficient option – the most efficient glass is low emissivity (Low-E) glass.

Benefits of double glazing

  • Lowers your carbon footprint, as less energy is used to heat your home due to the efficiency of your window insulation.
  • Money is also saved on your fuel bills.
  • There are fewer draughts and cold spots in your home.
  • Better insulated windows also provide sound proofing against any unwanted noise.
  • Condensation on the inside of windows is reduced.

Installing double glazing

You should make sure that your double glazing is installed properly and complies with building regulations. In England and Wales new replacement windows must meet certain energy efficiency requirements, which are most surely achieved by using a professional who is registered with a self assessment scheme such as FENSA or the British Standards Institution (BSI).

When choosing the double glazing product you wish to install, you should firstly have a good idea of the materials and frames you require. Once you have done this, request a few different quotes to make sure you are not being ripped off – this way you will have enough knowledge in order to make an informed decision. This is particularly important with double glazing as there are so many companies offering different services and prices – avoid any sales tricks such as signing a contract on the spot which may make you part with more money than you wished for! You should also be aware of double glazing contracts and your rights. You have seven days to cancel a contract which you sign in your own home. This protection is outlined in the ‘Cancellation of Contract made in a Consumer’s Home or Place of Work Regulations 2008’.

Cost of installing double glazing

The cost of installing double glazing usually includes the price of the materials themselves as well as fitting the windows, however quotes are usually given for free because of the very competitive market, so don’t be afraid to request a few different quotes from reputable companies. The costs will obviously vary upon the quality of windows you buy, mainly based on their energy efficiency rating, so make sure you are aware of this and the fact double glazing lasts a long time so it may be worth spending the extra money on quality whilst saving upon energy efficiency in the long run! Double glazing prices usually come in around £300 to £400 per window.

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