Window Replacement Cost in 2024

If you’re considering changing the windows in your house, the first thing that comes to mind is window replacement cost. Below, we cover everything you need to know about the cost of replacing windows, from obtaining quotes to choosing the most appropriate style for your home. 

 

Windows come in all shapes and sizes. Undertaking a window replacement can be a big commitment. However, as with any household renovation work, the size and cost of new windows vary depending on the size of the space, the quantity, and the style of window. 

 

It’s important to remember that the overall cost to replace windows doesn’t just include materials. You’ve also got to account for the window installer. What’s more, if you’re putting in a totally new style, like a bay window, you may need additional space in your budget for your window installation. 

window replacement cost
new windows cost

Overview of Window Replacement

Before you can get an accurate estimate for your new windows cost, you must get familiar with the process. 

 

With that, here is a brief overview of what needs to be done.

 

  • Determine what windows you want to replace 
  • Measure the space
  • Consider the different types of windows and frames that you want
  • Create a budget
  • Obtain window quotes and prices
  • Make your final decision on your new or replacement windows
  • Hire a window company near me
  • Start the construction process
  • Complete the final fittings and furnishings

 

Whether you’re installing one window or you plan to replace all the windows in your home, this should be your standard process. By following this overview, you can keep windows costs under control and stick to your budget. 

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Importance of Understanding Costs

Understanding the cost to replace windows is a critical part of the process. It gives you a rough idea of the budget you’ll need and what options you can afford. Without doing your research and getting an impression of the total cost, you run the risk of going way over budget. 

 

To help you with your project, our team has put together a guide to help you better understand the cost of putting in new windows.

cost of replacing windows
window prices

Understanding Window Replacement Costs

First of all, it’s important to note that the cost of replacement windows can vary significantly. There are tens of different styles of windows, each with a different price. Plus, the cost of installing new windows can depend on a wide variety of things, from the window model to the construction work needed. 

 

You can install a new window for around £500 in total. However, this figure can easily rise to £4,000 with certain models. 

 

So, before we break down window prices, let’s first look at what factors have the biggest influence on your overall cost. 

Factors Influencing Window Replacement Cost

To get an accurate estimation of replacement windows cost, you’ve got to consider all the factors that influence the price. When you eventually hire a house construction company, you won’t face any major surprises. Here are the main things to look out for. 

 

  • Type of window 
  • Type of window frame
  • Size of window frame
  • Whether you choose double or triple glazed windows
  • Window type and frame material
  • Number of windows
  • Whether you need scaffolding 
  • Whether you need planning permission
  • Installation costs
  • Labour costs

 

When you take a look at various window units in stores or online, they may appear cheap. But, when you factor in the other costs, even the cheapest window can be expensive to install. Certain window styles are lower quality than others too, so they may become even more expensive in the long term. 

cost to replace windows
replacement windows cost

Average Costs of Replacing Windows in the UK

So, how much are new windows? To give you a better idea of what you can expect to pay, we’re going to look at the rough costs for new windows in the UK. 

 

On average, windows can cost between £400 and £4,000 each, depending on the style you go for. But let’s get even more precise. A standard white uPVC casement window is the most common and budget-friendly option on the market.

 

These typically cost between £500 and £2,000 each. So, on average, each window will set up back £1,250. 

 

If you want to replace four windows in a small two-bedroom house, you can expect to pay £5,000 in total, plus an additional £80 for each frame. This takes the total to £5,320 before labour. 

 

Window fitters in London typically charge around £30 per hour and can fit one window in around 90 minutes. This brings your total labour costs to £180. 

 

In this example, the entire cost of the window replacement is £5,500.

Types of Windows and New Windows Cost

When you begin your window replacement project, you’ll quickly learn that there are several different types of windows. In the section below, we’ve done a cost analysis of the different types of windows that you’re likely to consider for your home. 

Cost Analysis of Different Window Types

It can be a tough decision to choose which windows you want for your house. However, when you take a look at the cost of windows, you might get a better idea of which type fits your budget. Let’s take a look at the window prices in the UK by type. 

how much are new windows
cost of new windows

uPVC Windows

uPVC windows are probably the most common type of window in the UK. This is mainly due to the fact that they’re durable and cost-effective. The cost of new uPVC windows ranges between £150 and £1,250 each, before labour. These prices can change depending on the size and style.

Aluminium Windows

Aluminium windows in London are also very popular but slightly more expensive than uPVC. They’re typically more durable and longer lasting. On average, you can expect to pay between £200 and £1,600 per aluminium window. 

Timber Windows

Timber windows are often the most expensive type, whether you go with softwood or hardwood material. Timber windows can cost you anywhere between £250 and £2,000 each, depending on the size and precise materials. 

Style Variations and Price Impact

As you can see from the above sections, the average price for new windows can vary significantly. Obviously, size is one of the biggest influences on the price of windows. However, the style is also a major consideration. 

window replacement cost uk
rough cost for new windows uk

Casement Windows

Casement windows open outward from a hinge, usually on the side of the frame. This gives them full mobility, allowing maximum ventilation in your room. Casement windows are also easy to clean, especially uPVC casement windows. 

 

You can also find casement windows with a top-mounted hinge (also called top-hung windows). Casement windows are very popular in the UK. Here’s a quick breakdown of their pricing. 

 

  • uPVC casement windows cost: £150 to £850
  • Aluminium casement windows cost: £200 to £1,200
  • Timber casement windows cost: £250 to £1,500

Sash Windows

Sash windows are a traditional and common style of window in the UK. They usually feature two panels. One panel slides upward and downward over the other one to open and close. There are also double-hung windows that allow you to fully open the windows for improved ventilation. 

 

Although modern sash windows are designed to look like traditional ones, they function slightly differently. The panels can fold horizontally, making them easier to access and clean. If you’re interested in installing sash windows on your property, here’s what you can expect to pay before labour. 

 

  • uPVC sash windows cost: £200 to £1,250
  • Aluminium sash windows cost: £300 to £1,800
  • Timber sash windows cost: £350 to £2,000
cost of replacement windows uk
how much to replace windows

Tilt and Turn Windows

Tilt and turn windows are most commonly found in modern homes. They’re the most versatile window design, allowing you to open them as a casement window or tilt them open, giving the window a slight crack from the top. Surprisingly, tilt and turn windows are quite affordable. Here’s a breakdown of the typical prices.

 

  • uPVC tilt and turn windows cost: £200 to £1,250
  • Aluminium tilt and turn windows cost: £250 to £1,500
  • Timber tilt and turn windows cost: £300 to £1,800

Bay and Bow Windows

Adding bay or bow windows to your home is a relatively big job, especially when compared to regular window replacements. If you don’t already have a bay or bow, you’ll have to commit to significant construction work on top of the windows and materials. 

 

Bay windows protrude outward from the walls of a property, essentially creating a bay-type shape. Bay windows cost considerably more than standard ones, as you can see from the price estimates below (three-panel bays). 

 

  • uPVC bay windows cost: £1,200 to £2,000
  • Aluminium bay windows cost: £1,500 to £2,500
  • Timber bay windows cost: £1,750 to £3,000

 

Bow windows are structurally similar to bay windows. However, rather than having one central picture window, all of the panels are the same size. Bow windows vary in price significantly. Below we estimate four panel bays, but bear in mind that the price for your home may differ. 

 

  • uPVC bow windows cost: £1,400 to £2,500
  • Aluminium bow windows cost: £1,750 to £3,250
  • Timber bow windows cost: £2,000 to £3,750 
windows cost
cost of windows

Material Costs and Options

Unlike other types of home renovation projects, putting in new windows doesn’t necessarily require a lot of additional materials. The biggest costs are the frames and panes. Aside from those, you’ll need hinges, handles, locks, screws, and other small items. 

 

These can vary in cost but are usually inexpensive unless you go for custom pieces. Plus, you can generally factor them into the total cost from your window supplier. When you get your window replacement quote, negotiate a deal to include everything. This will help a lot with cost management. 

Comparing Window Frame Materials

Frame materials are arguably the most important decision when changing your windows, for three main reasons. Firstly, they’re the most expensive part and will account for the largest chunk of your budget. Secondly, they’re crucial for efficiency and insulation. 

 

Finally, the different materials give off unique aesthetics. So, you’ll have to choose one that fits the overall style of your home. Now, let’s break down the pros and cons of uPVC, aluminium, and timber window frames.

how much do windows cost
how much for new windows

Pros and Cons of Each Material

uPVC Window Frames Pros

  • Low cost (compared to other options)
  • Durable
  • Strong and secure
  • Clean aesthetic 
  • Easy to maintain

uPVC Window Frames Cons

  • Difficult to recycle (when you want to change or upgrade them)
  • They can discolour over time
  • Repairs are difficult
  • Not as energy efficient as some other materials

Aluminium Window Frames Pros

  • Extremely durable
  • Energy efficient (with high-quality frames)
  • Versatile aesthetically
  • Easy to maintain
  • Long lifespan (usually between 20 and 25 years)

Aluminium Window Frames Cons

  • More expensive than uPVC
  • Condensation
  • Frames may experience corrosion 
  • High U-value means the cheapest window frames may lose heat
cost of replacement windows
how much do new windows cost

Timber Window Frames Pros

  • Most desirable aesthetic on the market
  • Thermal efficiency 
  • Timber can be stained or painted to match a range of styles
  • Good insulation
  • Effective at blocking out sound

Timber Window Frames Cons

  • More expensive than other materials
  • Prone to warping
  • Require significant maintenance
  • Rot may attract insects

Price Range for Different Materials

The per-window price range for the different materials can vary quite dramatically. Here’s what you can expect. 

 

  • uPVC: £150 to £1,250 each
  • Aluminium: £200 to £1,600 each
  • Timber: £250 to £2,000 each

 

The style and quantity, size, and style play a big factor in the final price. To get a better idea of the cost, you need to measure your windows and get the exact sizes. 

cost of replacing windows uk
cost to replace windows uk

Window Sizes and Cost Implications

Naturally, the bigger the window, the more you can expect to pay. There are several standard window sizes for homes. If your windows fall into one of these categories, you can typically buy new ones out of a box. These are generally cheaper. 

Standard Window Sizes and Prices

Below, we give a rough guideline for standard window frame sizes in the most popular materials. 

uPVC Window Frames

  • 600mm x 900mm: £150 to £1,000
  • 900mm x 1,200mm: £200 to £1,100
  • 1,400mm x 1,400mm: £250 to £,1250

Aluminium Window Frames

  • 600mm x 900mm: £200 to £1250
  • 900mm x 1,200mm: £250 to £1,400
  • 1,400mm x 1,400mm: £300 to £1,600

Timber Window Frames

  • 600mm x 900mm: £250 to £1,500
  • 900 mm x 1,200mm: £300 to $1,750
  • 1,400mm x 1,400mm: £350 to £2,000
cost of window replacement
window prices uk

Custom Size Windows: Additional Costs

If you require custom sizes, they will be specially made for you. This takes extra time, materials, and machinery, so you can expect custom sizes to be more expensive. Although it depends on your specifications, we estimate the costs to be between 10% and 30% higher. 

Advanced Window Features and Their Costs

Several other advanced window features can increase the cost of your project. Next, we discuss the impact of glazing windows, energy efficiency, and UV protection. 

average cost to replace windows
how much are windows

Double Glazing vs. Triple Glazing

An important decision when you replace your windows is whether to go with triple or double glazed windows. Double glazed windows provide superior thermal efficiency, security, and soundproofing than single-pane glass. They have been the industry standard for three decades or more. 

 

However, with the emphasis on energy efficiency in the UK today, many homeowners are upgrading to triple glazed. These offer even better thermal efficiency, security, and soundproofing than double glazed.

Energy-Efficient Windows

Triple glazing will cost around 15% more than double (on average) but you improve the energy efficiency of your home by up to 30%. This is a long-term solution for combating the ever-increasing heating costs. 

 

Aluminium windows are extremely popular in hot countries as they tend to let more heat escape, keeping the interior cool. However, in the UK, energy efficiency means keeping the heat in. uPVC and timber frames are generally the best for this. 

windows price
how much does a window cost

Additional Features like UV Protection

If you want to add extra features, like UV protection film, these will cost more. UV film can block out up to 99% of UV rays, protecting your skin when the light shines indoors. A standard roll could cover all the windows in a small home. They cost approximately £700 per roll. 

Window Installation Costs

Window installation costs are typically straightforward. Unless you need scaffolding or extra construction done, you just need to pay the installer for the labour. Below, we take a more detailed look at the cost of getting new windows installed. 

Average Installation Costs in the UK

Depending on your location, the cost of a window fitter will vary. In London, the average hourly rate of a window fitter is around £30. But, some fitters charge up to £50. A fitter takes 60 to 90 minutes to install an average window. So, it’s easy to work out how much the total installation will cost. 

cost of new windows uk
windows prices uk

Factors Affecting Installation Prices

Certain factors can affect the installation price, however. Here are some things worth considering before you schedule the fitter. 

 

  • Whether you need planning permission
  • The size of each window (bigger installations will take longer)
  • Ease of access to the windows
  • If you need preparation work
  • Whether you need scaffolding (typically costs around £90 per day)
  • Removal costs for old windows

Comparing Quotes and Prices

Obtaining quotes is an important part of the budgeting process. Quotes not only give you a better idea of the total cost, but they also give you leverage to negotiate between suppliers. 

How to Get Accurate Quotes

The best way to get accurate quotes is to be prepared. Follow the advice we’ve given you and compile a list of your needs. This should include things like measurements, frame materials, double or triple glazing, quantity, whether you need additional construction work, and any other necessary details. 

 

The building company should then hand you a full quotation that includes everything on your list. 

average cost of replacing windows
window cost

Tips for Comparing Window Replacement Quotes

Once you have your entire list prepared, contact three construction companies for a quote. When comparing window quotes and prices take a careful look at materials and labour costs. If you can secure materials elsewhere at a lower cost, perhaps you can ask to omit these from the quote. 

 

Do not mistake a lack of quality for a cheaper quote. This could come back to bite you down the line. Once you’ve compared all three, you should be ready to decide.

The Cost-Benefit Analysis of Window Replacement

Homeowners replace their windows for two main reasons: long-term savings and the impact on property value. Let’s go into further detail. 

Long-Term Savings and Benefits

Replacing windows costs can be extensive. That said, this type of project can pay for itself in the long run. As mentioned earlier, upgrading to triple glazing alone can help you conserve up to 30% more energy. 

 

New uPVC, aluminium, and timber window frames are far more efficient than those from 10 to 20 years ago. By upgrading, you’re creating a warmer, safer, and easier-to-run home. Heating costs are only going in one direction so the earlier you replace your windows, the more you can save in the long run.

windows replacement cost
how much does it cost to replace windows

Impact on Property Value

The condition of your property, as well as the energy efficiency of your home, are two of the 10 most important factors in an evaluation. New windows immediately increase the value of your home by around 70% of the amount you invested. Considering the improvement in efficiency, the project pays for itself within several years. 

Choosing the Right Window Replacement Company

By now, you should have a good idea of the cost of new windows in the UK. The next step is to choose a window replacement company. It’s imperative that you find one with experience and a good reputation. 

What to Look for in a Window Replacement Company

When choosing a window replacement company, we recommend looking for one with a strong track record, a good reputation, and a network. 

 

The combination of these factors ensures that your work will be completed by an experienced team. And, if you need additional services, the company can utilise its network to find affordable professionals. 

new windows cost uk
window price

Why Choose Fittra for Your Window Replacement

Fittra is a London-based construction company with over 10 years of experience completing quality window replacements. Fittra is an NHBC-registered company, ensuring we can provide our services throughout the country. 

 

In addition to our core team of designers, architects, builders, and trade specialists, we have an extensive network of building professionals. No project is too big for our extended team. 

Our Experience and Expertise

Our experienced team has completed countless window replacements over the years and fitted all styles and sizes. We can even help with the conceptualisation and design stage of your project. 

Range of Services Offered by Fittra

At Fittra, we’re far more than a standard window fitting service, however. We provide comprehensive building services, taking care of big and small projects. Here’s a snapshot of the services we offer:

 

  • Project design and conceptualization
  • New builds
  • Renovations 
  • Room refurbishments
  • Window supply and installation
  • Door supply and installation
  • Commercial construction project
  • Investment projects
  • Skylights
new window cost
window price

Client Satisfaction and Feedback

We pride ourselves in providing high-quality work that leaves our clients satisfied from the beginning of the project to the end. But, don’t take our word for it. Scroll through the multitude of client testimonials on our website

Our Competitive Pricing and Quality Assurance

At Fittra, we have long-term understandings with our partners. We offer end-to-end services that involve architects, engineers, consultants, designers, and builders. We’re committed to providing the highest quality services possible at competitive prices. Plus, your project manager is available throughout the entire process. 

Planning and Budgeting for Window Replacement

Planning and budgeting are crucial aspects of a window replacement project. At Fittra, we can help with both of these factors, ensuring your window replacement goes exactly how you want it to. 

Setting a Realistic Budget

Setting a realistic budget is the only way to keep on track with your spending. Make a list of everything you need for the project. Don’t leave out anything, even the most minor materials. It’s best to do this alongside Fittra because our experienced team will know exactly what you require. 

window price list
window price

Financing Options for Window Replacement

Housing projects are expensive. As an experienced construction company, we leverage our networks of suppliers and contractors to ensure you benefit from maximum trade discounts. We’ll provide a detailed cost breakdown to remove any guesswork. Plus, we only charge 10% deposit payments. 

Legal and Regulatory Considerations

Occasionally, you’ll need planning permission to carry out a window replacement. It’s important to understand the legal and regulatory considerations

Planning Permissions and Regulations

For the most part, window replacements don’t require planning permission. However, if you’re putting in a bay or bow window, this technically means you’re extending the property. So, you’ll need planning permission. You can apply through your local county council. However, at Fittra, we’re happy to assist you through the process. 

Compliance with Building Standards

Fittra takes building standards very seriously. Our diligence is reflected through our multiple accreditations. They include NHBC, NFB, FMB, TrustMark, and Considerate Constructors. 

window prices
cost of replacing windows uk

Conclusion

A quality window replacement or new installation can make a world of difference to your home. It improves the aesthetic, energy efficiency, and value of your home. With Fittra, our five-step process will ensure your project will be completed on time and budget with minimal stress. 

Summary of Key Points

The first thing you should do when planning a window replacement project is to make a list of your needs. Next, set up a consultation with a reputable building company, like Fittra. From here, you can finalize your list of wants and needs, before creating a budget. 

 

The cost of replacement windows in the UK can vary and you must also factor in labour. However, to give you a rough estimate, we calculated that a four-window replacement for two bedrooms in a house should cost approximately £5,500. Naturally, these costs can go up or down, depending on the types of windows you choose. 

Final Recommendations for Window Replacement

Our final recommendations for window replacement projects are to start as soon as possible and to use a reputable construction company. Why? Because energy costs are on the rise and the sooner you improve the efficiency of your property, the better future-proofed you are. 

 

By choosing a construction company like Fittra, you have experience on your side. To boot, you’ll avail of a range of specialists at discount prices. 

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FAQs on Window Replacement Costs

How Much are New Windows?

New windows range in cost, depending on the material and size. The most common windows in the UK are uPVC frames, which cost £1,250 each on average. A quality fitter charges around £30 per hour and should install a single window in one to two hours. 

What are the Hidden Costs Associated with Window Replacement?

Hidden costs associated with window replacements include planning permission, custom materials, scaffolding, and removal costs. 

How does Window Replacement Affect Home Insurance Premiums?

Modern, safe, and efficient windows can lower home insurance premiums because they’re more durable and secure. 

Can Window Replacement be Done in Stages, and How Does it Impact the Overall Cost?

Window replacements can be done in stages. However, this is likely to increase the costs as you’re essentially creating separate projects. This means you can’t take advantage of bulk pricing or longer-term labour rates. 

What is the Difference in Cost Between Full-Frame Replacement and Insert Replacement for Windows?

Full-frame replacements are significantly more expensive because they involve removing a full frame and replacing it, as well as the window pane. You’ll have to pay for additional materials and labour. 

An average uPVC window frame costs £1,250. When you tack on labour and material costs, this price can easily rise to £1,750. An insert replacement is likely to cost around £500. 

How do Regional Climate Conditions Influence the Choice and Cost of Window Replacements?

Climate should influence your choice of window. If you live somewhere that experiences cold, rain, and harsh winds, high-quality triple glazed windows are best. They provide the best insulation and limit noise. However, this combination of materials can be expensive. 

If you choose to cut costs and go with a cheaper frame without triple glazing, you may experience less efficiency, more noise, and faster deterioration of materials. This is likely to cost you more in the long run. 

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Sat: 8.00 am – 1.30 pm

 

 

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Park Parade Gunnersbury Avenue, W3 9BD

 

 

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02082 438568

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