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Writer's pictureHarrington Windows

Windows Replacement Price: What You Need to Know Before Upgrading

Updated: Sep 30

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When it comes to upgrading your home, replacing windows is one of the most impactful improvements you can make.


But before jumping in, it’s essential to understand the windows replacement price and what factors influence it. Whether you’re looking to improve energy efficiency, boost your property’s value, or enhance your home’s aesthetics, knowing what to expect in terms of costs will help you plan your project more effectively.


In this article, we’ll break down the typical prices for window replacement, explore the factors that affect these costs, and provide some tips on getting the best value for your money.


How Much Does Window Replacement Cost?


The windows replacement price can vary widely depending on several factors, such as the type of window, frame material, size, glazing options, and labour costs. On average, UK homeowners can expect to pay anywhere from £400 to £1,500 per window, with the total cost for a full house replacement ranging between £4,000 and £15,000.


Average Price Breakdown by Window Type:


  • uPVC Windows: Typically the most cost-effective option, uPVC windows start around £400-£600 per window.

  • Timber Windows: Offer a more traditional look but come with a higher price tag of £800-£1,200 per window.

  • Aluminium Windows: Sleek and modern, aluminium windows generally range from £600-£900 per window.

  • Sash Windows: Due to their more complex design, sash windows can cost between £900-£1,500 per window.



Factors Affecting Window Replacement Prices


Several variables influence the overall cost of your window replacement project. Here’s what you need to consider:


  1. Frame Material - The type of material you choose (uPVC, timber, or aluminium) significantly affects the price. uPVC is the most budget-friendly, while timber and aluminium are more premium options.


  2. Window Style - Different styles, such as casement, sash, or bay windows, vary in complexity and cost. For example, bay windows require more materials and labour, making them more expensive than standard casement styles.


  3. Glazing Options - The type of glazing you select will impact your budget. Double glazing is standard, but adding features like triple glazing or Low-E glass can increase costs. However, these options also improve insulation, which can lead to long-term savings.


  4. Size and Quantity - Naturally, the number of windows you need replaced and their size will determine the total cost. Larger windows or custom-sized options require more materials and time to install.


  5. Labour and Installation Fees - Don’t forget to factor in the cost of professional installation, which can vary depending on the complexity of the job and your location. Labour can range from £150 to £300 per window.


  6. Additional FeaturesCustom features such as decorative glass, unique colours, or specific security upgrades can increase the price. However, these features can also enhance your home’s appearance and value.



Understanding the Long-Term Value of Replacement Windows


While the upfront windows replacement price might seem high, it’s important to consider the long-term benefits. Here’s why investing in quality windows is worth it:


1. Lower Energy Bills


Modern replacement windows are designed with energy efficiency in mind. Double glazing or triple glazing options provide superior insulation, keeping your home warmer in winter and cooler in summer. This can reduce your energy bills by up to 20%.


2. Increased Property Value


High-quality windows not only improve your home’s aesthetics but also add to its market value. A well-installed set of replacement windows can boost your property’s value by up to 10%, making it a worthwhile investment if you’re planning to sell.


3. Improved Home Security


New windows come with advanced security features, such as multi-point locking systems and toughened glass. This makes your home safer and can potentially lower your home insurance premiums.


4. Enhanced Curb Appeal


Whether you choose traditional sash windows or modern aluminium frames, new windows dramatically enhance your home’s curb appeal. A stylish upgrade can transform the look of your property, making it stand out in your neighbourhood.



Ways to Save on Your Window Replacement Project


Window replacement doesn’t have to break the bank. Here are some tips to help you manage your budget without compromising on quality:


1. Get Multiple Quotes

Always compare quotes from different installers. This not only gives you an idea of the average price but also helps you negotiate a better deal.


2. Choose Energy-Efficient Windows

Opt for energy-efficient options like double glazing windows replacement or Low-E glass. These might have a slightly higher upfront cost but will save you money on energy bills over time.


3. Replace in Phases

If replacing all the windows in your home at once is too expensive, consider doing it in phases. Prioritise the rooms that need it the most and spread out the cost over a few years.


4. Take Advantage of Seasonal Discounts

Many window companies offer discounts during the off-peak seasons. Plan your replacement during winter or early spring to take advantage of lower prices.



Common Mistakes to Avoid When Replacing Windows


To ensure you get the best value for your investment, avoid these common pitfalls:


  • Choosing the Cheapest Option

    While it might be tempting to go for the lowest quote, quality matters. Cheaper windows often lack durability and insulation, costing you more in the long run.


  • Not Considering the Frame Material

    The right frame material affects not just the price but also the maintenance and lifespan of your windows. uPVC is cost-effective but may lack the lifespan of timber or aluminium.


  • Overlooking Energy Efficiency

    Energy-efficient windows might be a higher upfront cost, but they’ll save you money on heating bills and add to your home’s comfort.


  • DIY Installation

    Professional installation is key to ensuring your windows are airtight, secure, and perform well. Skimping on this can lead to poor insulation and higher energy costs.



Is It Time to Replace Your Windows?


If your current windows are draughty, difficult to open, or have visible damage, it’s likely time for a replacement. Understanding the windows replacement price and planning your budget accordingly will help you choose the best options for your home.




So, knowing all of the benefits is one thing, but actually going through the process of turning your project vision into reality is another. But don't worry, that’s exactly why we're here.



Why Harrington Windows?

Your Vision, Our Expertise.


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With over 25+ years of experience, Harrington Windows has mastered the art of bringing premium window renovations to life. Whether you’re considering classic timber windows, energy-efficient uPVC options, or bespoke sash windows, we combine skilled craftsmanship with a deep understanding of your unique style.


From consultation to installation, we ensure every detail is meticulously managed so your home stands out in elegance and functionality.




The Benefits of choosing Harrington Windows

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What Our Clients have to Say







From Quote to Completion: How It Works


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10 Key Features that Set Us Apart


  1. Bespoke Design – Customisable windows tailored to fit your exact specifications.

  2. High-Quality Materials – Premium timber, durable uPVC, and robust alternative options.

  3. Double & Triple Glazing – Superior insulation to maintain indoor comfort.

  4. Enhanced Security Features – Secure locking mechanisms for maximum safety.

  5. Noise Reduction – Keep your home quiet and peaceful with our advanced glazing solutions.

  6. Weather-Resistant Finish – Windows that withstand the harshest weather conditions.

  7. Low Maintenance – Easy-to-clean materials that retain their beauty over time.

  8. Eco-Friendly Solutions – Sustainable materials and energy-efficient designs.

  9. Expert Installation – Professional fitting by our team of experienced installers.

  10. 10-Year Guarantee -Enjoy complete peace of mind with our decade-long warranty on all installations.



Ready to Start Your Project?


Take the first step toward your dream home renovation today. Let’s create a space that reflects your style and stands the test of time.





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