Double-glazed windows have become a standard feature in the majority of UK properties, with research indicating that approximately 87.5% of houses are now equipped with double glazing.

If you’re concerned about increasing energy bills or are considering window upgrades for your property, knowing how much do double glazed windows cost is important.

Knowing double glazing prices UK will help in keeping your home energy efficient and comfortable all year round. This blog details everything you need to know about the price for double glazed windows and the factors that affect the prices.

How Much are Double Glazed Windows?

When researching double glazed windows prices UK, you need to know about two major components of this cost including:

  • Window frame material
  • The style of the window

Besides these, there are other factors too that will decide the average double glazing cost UK.

Let’s look at these factors in detail.

Window Frame Material 

The choice of material for window frames is a crucial factor in determining the cost of double glazed windows in the UK. Let’s look at commonly used materials and provide insights into the associated costs of double glazing them.

uPVC Windows

Unplasticised Polyvinyl Chloride (uPVC) is a popular choice for window frames due to its durability, strength, and low maintenance requirements. With proper care, uPVC frames can last for 20-25 years.

Aluminium Windows

Aluminium is a widely chosen material for window frames due to its high strength-to-weight ratio. It offers durability, low maintenance requirements, and has a long lifespan of approximately 40-45 years with proper care. Additionally, aluminium frames are resistant to rust and less prone to warping.

Timber Windows

Timber is a visually pleasing and environmentally friendly material choice for window frames. It offers excellent insulation properties and can last for an impressive lifespan of 60-70 years when properly maintained. Timber frames add a natural and timeless aesthetic to any property.

Here’s a rough guide of the approximate double glazing cost UK depending on the type of window frame: 

Material

The average cost of double glazing

uPVC

£550

Aluminium

£600

Timber

£650

The Style of the Window

The style or design of the window is a major factor that affects double glazing prices UK. Here are some of the most common window styles used in UK homes depending on the architecture, floor, and costs, which determine how much are double glazed windows:

Sash Windows

Sash windows, a popular window style, feature two framed sashes that open vertically by sliding one sash over the other. This classic design is commonly found in many UK homes.

Tilt and Turn Windows

Tilt and turn windows are a highly favoured window style known for their aesthetic appeal and versatility. These windows operate on a hinge system that allows them to open inwards or function like a traditional casement window, providing both ease of use and a stylish look to any room.

Bay Windows

These windows create an extended sense of space with their unique design, projecting outwards from the walls and allowing ample natural light to enter. Bay windows typically consist of two or three windows joined together at different angles, enhancing both their functionality and aesthetic appeal.

Here is a table illustrating the average cost of double glazed sash windows and other window frame styles in the UK:

Window style

The average cost of double glazing

Sash

£650-£725

Tilt and turn

£550-£600

Bay

£1200-1300

Other Factors That Affect Double Glazed Windows Prices UK

In addition to the window’s style and material, several other factors influence the prices of double glazing UK. These factors include:

  • Window size: The cost of double glazing in the UK increases with the size of the window. Larger windows generally have a higher average cost.
  • Window finish: The finish of the window, including fixtures like the number of locks and the chosen colour, can also impact the price.
  • Glass quality and energy rating: The cost of double glazing is influenced by the quality of the glass used and its energy rating. Opting for higher-rated glass, such as A++ glass, will result in a higher investment.

What Makes Double Glazed Windows Worth Their Cost?

Now that you know how much does double glazing cost UK, you may be wondering about the higher upfront costs. However, investing in double-glazed windows will bring several benefits in the long run including.

Lower Power Bills

Since double glazed windows improve insulation, the power spent on cooling or heating the house is much less. This leads to significant savings on your energy bills. Here are some other practical ways to reduce your energy bills

Efficiency rating of the double glazing

Approximate cost saving in a year

Approximate cost saving in 15-20 years

A rated

£190

£2900

A++ rated

£230

£3500

Your Carbon Footprint Reduces

By installing double glazing, you can significantly reduce your carbon footprint. Double glazing is effective at preventing heat from escaping through your windows, particularly when using a traditional gas-fired heating system. This means that less energy is required to maintain a comfortable indoor temperature, resulting in lower greenhouse gas emissions. By minimizing heat loss and increasing energy efficiency, double glazing helps to mitigate the environmental impact associated with heating and contributes to a greener and more sustainable living environment.

Efficiency rating of the double glazing

Approximate reduction in CO2 per year

Approximate reduction in CO2 in 15-20 years

A rated

300 kg

4500 kg

A++ rated

400 kg

6000 kg

Your House is More Secure

Double-glazed windows are stronger and more resistant to breakage saving your house from break-ins and thefts. So, you live with more peace of mind and reduced possibility of loss of money and property.

The Condensation Reduces

Double-glazed windows offer enhanced strength and resistance to breakage, providing added security to your home. By installing double-glazed windows, you can significantly reduce the risk of break-ins and thefts. This increased level of security brings a sense of peace of mind, knowing that your home and belongings are better protected. The sturdy construction and added security features of double glazing help minimize the possibility of financial loss and property damage, providing you with a greater sense of security and tranquillity.

You Live Noise-Free

Living in a noise-free environment is one of the valuable benefits that make the cost of double-glazed windows worth it. These windows are designed with superior acoustics, which effectively reduce external noise infiltration into your home. The advantages on your health and how you enjoy your home.

Conclusion

Double glazed windows prices UK is worth considering due to the significant cost-saving and health benefits they provide. However, it is essential to invest in top-quality, eco-friendly glazing to reap these advantages fully. High-quality double glazing effectively reduces CO2 emissions, minimizes unwanted noise, and prevents heat loss.

At C.U.in we offer the most thermally-efficient glazings available in the market today. Our aim is to ensure that you and your family can enjoy a healthy and serene environment in your home. Feel free to get in touch with us today to learn more about our products and services. We’ll be glad to assist you.

Vijay Halai
By: Vijay Halai

Vijay is in charge of directing the manufacturing of high-performance CUIN insulating glass that is used in commercial and residential buildings. He is committed to going above and beyond for his clients and increasing their bottom lines as a result.

Jul 10 2023
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