You Will Be Surprised at The Cost of Double Glazed Windows

Double glazing is abundantly beneficial to your home and your quality of life. It can offer a charming appeal to your home, maintaining the rustic visual appeal of your home whilst also saving money on your energy bills. Your new windows will offer effective noise reduction as well as added security. But, for the full list of benefits, check out our article on the 5 Huge Benefits of Double-Glazed Windows for more information.

Now, back to the costs of double glazing. There are many variables that affect cost, such as the number of windows you would like to install, the size of the property, the frames and the quality of the product. However, before you commit to double glazing, how much does it really cost? We have written this article to answer that very question. Read on to find out the cost of double glazed windows here at Sash Windows London. We hope you find this article useful.

How much does double glazing cost?

When calculating the cost of double glazing, it is important to consider how much money you will save by installing double glazing. Although the initial cost of installation may seem daunting for some, it will definitely pay off in the long-run due to the numerous benefits of double glazing, as well as the possibility of it reducing your energy bill quite drastically every month. Below are some factors that will influence the cost of your double glazing:

  • The type of glass: Plain or smart glass.
  • The thickness of the glass.
  • Double or triple glazing unit.
  • Aluminium or timber frames.
  • Any other glass treatments (for example: frosted, tinted, anti-graffiti film).

How much money can I save?

As we mentioned above, you can actually save money by investing in double or triple glazing – a choice that will benefit your quality of life for years to come. According to the Energy Saving Trust, there are big savings to be made from having double glazed windows installed.

Energy rating |  Detached Semi | Detached Mid Terrace | Bungalow | Flat

A Rated | £120 – £160 £85 | £110 £65 | £90 £55 | £75 £40 | £60

B Rated | 110 – £145 £75 | £100 £60 | £80 £50 | £70 £40 | £55

C Rated | 110 – £135 £75 | £95 £60 | £75 £50 | £65 £40 | £5

What We Offer

Here at Sash Windows London, we have built a reputation by delivering a high standard of customer service and satisfaction. Just check out our testimonials page.  We have built our reputation from local people that trust us and share our values, which is why personal recommendation has always been one of our major sources of new business.

We offer a friendly and professional approach to customer service, ensuring our staff are equipped with the knowledge to effectively guide you through every step of the process. All of our products are specifically designed to suit the needs of each individual client, from replication heritage design in conservation areas, to contemporary products to suit today’s market and modern housing. We are committed to ensuring that high quality remains throughout our entire product range and installation process. Thanks to the ongoing support from our customers over the years, Sash Windows London is now the leading installer in the London and Surrey area.

Our Guarantee 

  • 30-year guarantee on timber
  • 10-year guarantee on a paint finish
  • 10 years on PVCU
  • 10 years on glazing, ironmongery and seals
  • 10 years on fitting


So, if you are thinking of installing double glazing in your home, Sash Windows London are here to help. We know that budget can be the clincher for most people and that’s why we make sure our windows span across the entire budget spectrum, ensuring that you are able to find you dream windows for the right price. Give us a call today, we would love to talk through your window requirements and advise you on the best plan of action. Here at Sash Windows London, we constantly strive to keep our prices to a minimum so you are bound to find something that suits you!