UK Pricing for Double Glazed Sash Windows (Year 2025)
Double glazed sash windows are a popular choice for homeowners seeking to combine safety, insulation, and a classic design. These windows, with their intricate design and multiple panes, offer several advantages but come with a higher price tag compared to other types of double-glazed windows.
Cost Estimates for Double Glazed Sash Windows
The average cost for a single double glazed uPVC sash window in the UK typically ranges from £450 to £1,200, depending on factors such as window size, type of glass, and customization options [1]. For a full set of double glazed windows in an average home, the total cost is around £4,500, but this usually covers multiple windows rather than a single sash window [3][4].
Custom timber sash window installation is variable and usually higher than uPVC, with bespoke quotes recommended [2].
Factors Influencing Cost
Several factors contribute to the cost of double glazed sash windows.
- Window Size: Larger windows cost more due to the increased amount of materials required.
- Glass Type: While double glazing is standard, options like triple glazing are more expensive.
- Material: uPVC sash windows are generally cheaper; timber sash windows cost more due to their bespoke nature and materials [1][2].
- Labour and Location: Complexity of installation and regional differences affect total costs [1].
Energy Efficiency and Savings
Double glazed sash windows can help homeowners save on energy bills, with potential savings of between £140 and £150 per year [5]. The process of double-glazing sash windows is more complex and time-consuming compared to single pane windows, but the increased energy efficiency can lead to significant long-term savings.
Low-E glass, which helps reduce heat loss and increase energy efficiency, can further contribute to these savings. Installing A-rated double glazed windows can save up to £140 yearly, while A++ windows can save up to £150 per year [6].
Additional Features and Benefits
Double glazing can improve a home's energy efficiency and remain energy efficient for up to 30 years [7]. Sash windows are more expensive compared to other window styles, but they also come with a more intricate and classic design.
Investing in double glazed sash windows can help you reduce your annual energy bills, increase your property value, and enhance your home's safety [8]. Self-cleaning glass, with its transparent coating that breaks down dirt and debris, is a great solution for hard-to-reach windows.
Getting the Best Quotes
Instead of spending hours reaching out to installers by yourself, let us help you get the ball rolling in just 30 seconds by filling in our short form and receiving up to 4 quotes from installers vetted by us. With our service, you can find the best deals and make an informed decision on your double glazed sash window investment.
[1] Homebuilding & Renovating [2] Compare My Move [3] Quotatis [4] Checkatrade [5] Which? [6] Energy Saving Trust [7] The Energy Saving Trust [8] Homebuilding & Renovating
- For a homeowner interested in double glazed sash windows, the cost of a single uPVC unit often ranges from £450 to £1,200, with the total cost for a full home set averaging around £4,500.
- If a homeowner desires custom timber sash windows, the installation cost will be variable and usually higher than that of uPVC, requiring bespoke quotes.
- Factors influencing the cost of double glazed sash windows include window size, glass type, material, labor, and location.
- Energy-efficient double glazed sash windows can potentially save homeowners between £140 and £150 per year on energy bills, with additional savings possible using low-E glass and A-rated double glazed windows.
- Additional benefits of double glazing include improved energy efficiency, increased property value, and a more intricate, classic design, with self-cleaning glass providing a practical solution for hard-to-reach windows.
- To find the best deals on investing in double glazed sash windows, homeowners can use a service that connects them with vetted installers, making the process of receiving quotes fast and efficient.
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