Find your Local Installer

Cost of Windows

Mar 11 2024

Windows play a crucial role in the aesthetics, energy efficiency, and overall functionality of your home.

Investing in quality windows can enhance your living space while providing long-term benefits. However, understanding the costs associated with new windows is essential for making informed decisions.

Average Cost of New Windows in UK

For those in the UK, understanding market trends and regional variations is key to estimating the cost of new windows accurately. Knowing the average cost of windows can provide a baseline for your budget. National averages may give you an idea, but it’s crucial to consider regional variations that can influence pricing.

Here’s an overview of the average cost of new windows in UK;


Average New Window Cost

uPVC casement window

£650 – £1,900 per window

Sash window

50% more than a casement window

Tilt and turn window

25% more than a casement window

Bay window

150% more than a casement window

Aluminium frame

25% more than uPVC

Timber frame

50% more than uPVC

Note: The costs provided are average estimates and may vary based on factors such as window size, brand, and specific features. The percentages represent the additional cost compared to the uPVC casement window.

Average Cost of New Windows in UK
Source: My home extension

Factors Affecting the Cost of New Windows

Different types of windows come with varying price tags. From traditional single-hung windows to modern energy-efficient designs, each option has its own cost implications. Exploring these options will help you make an informed decision based on your budget and preferences.

The cost of new windows is influenced by various factors, including:

1. Window Type: Different types of windows, such as single-hung, double-hung, casement, or specialty windows, come with varying price tags. Modern energy-efficient designs may also impact costs.

Window Type
Source: Modernize

2. Material: The choice of window material significantly influences the cost. Common materials include uPVC, aluminum, timber, and composite materials, each with its own price range.


3. Window Size and Style: Larger or custom-sized windows often cost more than standard sizes. Unique styles, such as bay or bow windows, may also have higher price tags.

Window Size and Style
Source: Daily Civil

4. Energy Efficiency Features: Windows with advanced energy-efficient features, such as Low-E coatings, multiple glazing, and gas fills, may have higher upfront costs but can lead to long-term savings on energy bills.

5. Frame Material and Finish: The material and finish of the window frame can impact the cost. For example, an aluminum frame may cost more than uPVC, and speciality finishes may add to the overall expense.

Frame Material and Finish
Source: Pinterest

6. Installation Complexity: The complexity of the installation process, including factors like accessibility and structural modifications, can affect the overall cost of installing new windows.

7. Brand and Quality: Reputable brands and higher-quality windows may come with a premium price. Investing in well-known brands or higher-grade materials can impact the overall cost.

8. Additional Features and Customization: Features such as built-in blinds, custom designs, or smart window technology can increase the cost. Consider these features based on personal preferences and budget.

9. Regional Factors: Local market conditions, labor costs, and demand for certain window types can vary by region, impacting the overall cost of purchasing and installing new windows.


Understanding the cost of new windows involves exploring various factors, utilizing calculators for accurate estimates, and staying informed about market trends. Armed with this knowledge, you can make confident decisions that align with your budget and enhance the comfort and value of your home.

Featured in