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Bay Window Cost and Bay Window Installation Prices


Bay Window Cost and Bay Window Installation Prices in 2024

Myles Robinson
Written by Myles Robinson
Updated on 21st February 2024
Posted on 19th December 2023

How much do bay windows cost in the UK in 2024?

Ever wondered what those sticky-out windows are called on homes in the UK? Well, they're called bay windows and here is our expert guide from Value Doors to tell you all about them and how much a bay window costs.

Bay windows have long been admired for their aesthetic appeal, adding a touch of elegance and charm to any home. However, many homeowners wonder about the costs involved in installing these beautiful windows.

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Bay windows are a popular choice for UK homes

As you embark on your bay window journey, it’s essential to understand the factors influencing the bay window cost, such as material, size, style, and glazing options.

In this comprehensive guide, we’ll explore the cost of bay windows, installation prices, and maintenance considerations to help you make an informed decision and ultimately enhance the beauty and value of your home.

Delve into the world of bay windows as we provide you with insights into material choices, size and style variations, glazing options, and the benefits of investing in these exquisite architectural features.

By the end of this post, you’ll clearly understand the bay window cost involved and how to choose the perfect bay window for your home.

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Bay window costs overview

  • Average Prices - Bay windows range in cost from £1,500 to £8,500 depending on material choice and size.
  • Why do they cost so much? - Different styles and limitless options mean prices can be higher
  • What to do? -  Professional installation is recommended for optimal performance and peace of mind.
  • How to - Regular maintenance and care are essential to ensure long-lasting durability of bay windows.

How Much Do Bay Windows Cost?

You can expect to pay anywhere from £1,500 to £8,500 for a bay window, with the average cost falling between these figures. Keep in mind that the price range depends on the specific type of bay window you choose, as well as any additional features or upgrades you select, which will affect the cost of a new bay window.

Unfortunately, here in the UK there is no one-size-fits-all all answer other than the cost of a bay window varies greatly, depending on factors such as:

  • Material (uPVC, timber etc)
  • Size
  • Style
  • Double glazing or triple glazing options

The upcoming subsections, covering a number of sections, will delve into the myriad factors affecting bay window costs to give you a clearer understanding of the associated expenses. This will aid you in making an informed decision about this stunning home addition.

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Bay Windows Material Choices and Price

The choice of material can greatly impact your bay window cost, with uPVC, timber, and aluminium being the most common options available. uPVC is the most affordable and popular material for bay windows, known for its durability, low maintenance, cost-effectiveness, and versatility.

Timber bay windows, on the other hand, can deteriorate over time, particularly in inclement weather, and may place a considerable burden on the structure of the building. Aluminium windows cost more but, while more expensive than uPVC, is a lightweight and adaptable material, allowing for a broad range of designs and making it a popular choice for modern homes.

As you decide on the material for your bay window, take into account the aesthetic appeal, practicality, and your budget. While uPVC might be a more economical choice, if the look and durability of aluminium windows or timber appeal to you, anticipate a higher cost.

Bay Windows Size and Style Variations

Size and style variations play a significant role in determining the overall bay window replacement cost. Generally, larger windows and more complex designs will come with higher price tags. Some common bay window styles include bow windows, box bay windows, circle bay windows, and oriel bay windows. The estimated costs for these styles are as follows: bow bay windows range from £1,500 to £3,000, box bay windows between £1,000 and £2,500, circle bay windows from £1,500 to £3,500, and oriel bay windows between £1,500 and £2,500.

Also, window bars are a very popular stylistic addition to bay windows, with the usual choice being Georgian bars vs astragal bars.

As you decide on the size of the window and style of your bay window, reflect on your home’s architectural style, your individual tastes, and the desired amount of natural light. Remember, custom or larger windows may result in extra costs, so plan your budget accordingly.

Bay Window Glazing Options and Energy Efficiency

The type of glazing you choose for your bay window can significantly impact its energy efficiency and insulation properties, as well as the overall cost. Double and triple glazing options are available for bay windows, with triple glazing being up to 30% more expensive than double glazing. Both options provide improved insulation, helping to reduce heat loss and lower energy bills - see how much double glazing costs here.

In addition to insulation, glazing options can also affect other aspects of your bay window, such as noise reduction and security. Double glazed glass on uPVC bay windows, for example, can diminish external noise within the residence and heighten its safety.

As you decide on the glass type for your bay window, reflect on its energy efficiency, insulation, and noise reduction advantages, along with the extra cost of triple glazing.

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UPVC bay window prices

UPVC bay windows are a popular choice for homeowners due to their affordability and low maintenance requirements. The typical upvc bay window costs fall between £1,050 and £2,300, depending on factors such as:

  • Size
  • Finish
  • Design features
  • Type of glass used

Keep in mind that these prices are merely a starting point, and the final cost of your UPVC bay window may vary depending on your specific requirements and any additional features or upgrades you choose. It’s always a good idea to obtain multiple quotes from reliable installers to ensure you’re getting the best value for your money.

Cost of Bay Windows Installation

In addition to the cost of the bay window itself, you’ll also need to consider the cost of installation, which includes labour, location, and additional expenses. Proper installation is just as important as the quality of the bay window itself for the longevity and performance of your bay window, so it’s essential to hire a reputable installer with experience in fitting bay windows.

The upcoming subsections will delve into the diverse elements that constitute bay window installation costs, like labour rates, regional price variances, and possible extra expenses to take into account.

Labour Costs and Timeframes

Labour costs for bay window installation typically range from £250 to £275 per day, with two to three personnel working on the project. The overall cost will depend on the complexity of the installation, the size and style of your bay window, and the amount of time it takes to complete the job.

It’s essential to factor in these labour costs when budgeting for your bay window installation, as they can significantly impact the total cost. To ensure you’re getting a fair price, obtain multiple quotes from reliable installers and compare their rates, experience, and customer reviews.

Location and Regional Price Differences

The cost of bay window installation can vary across regions due to differing labour rates and local market conditions. For example, installation costs in central London may be higher than those in other areas of the UK.

To get an accurate estimate of the cost of bay window installation in your area, it’s essential to:

  1. Obtain multiple quotes from local providers
  2. Compare the quotes based on price, quality of work, and customer reviews
  3. Ensure you’re getting the best value for your money
  4. Hire a reliable installer who can complete the job to your satisfaction.

Additional Expenses to Consider

Throughout the bay window installation process, you might encounter extra costs such as professional cleaning, triple glazing upgrades, and waste disposal. These additional charges can accumulate, thus it’s vital to incorporate them into your budget during your bay window project planning.

When obtaining quotes from professional installers, make sure to ask for a detailed breakdown of the costs involved, including any additional expenses that may be required. This will help you avoid any surprises and ensure you’re fully aware of the total cost before committing to the installation.

Benefits of Investing in Bay Windows

Investing in bay windows comes with a host of benefits that can enhance your home’s appeal and value. One of the primary advantages of bay windows is the abundance of natural light they provide, creating a sense of spaciousness and a welcoming atmosphere in your residence. Additionally, bay windows can improve your property’s value, making them an excellent investment for homeowners looking to sell in the future.

Beyond the aesthetic appeal and increased property value, bay windows also offer enhanced home enjoyment. With the additional natural light and architectural interest, bay windows can transform any room into a more inviting and comfortable space, perfect for relaxation or entertaining guests.

Best Bay Window Style for Your Home

Choosing the best bay window style for your home depends on several factors, such as personal preference, architectural style, and budget. With various styles available, including:

  • Bow windows
  • Box bay windows
  • Circle bay windows
  • Oriel bay windows

You have plenty of options to find the perfect fit for your home, but keep in mind that some projects may need planning permission.

When selecting the ideal bay window style, consider how each option, including the circle bay window, complements your home’s existing architecture and your personal taste. Additionally, take into account the specific features and benefits of each style, such as increased natural light, improved energy efficiency, or enhanced security when choosing a new bay window.

By carefully weighing these factors, you’ll be able to choose the best bay window style that suits your needs and enhances your home’s appeal.

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DIY vs Professional Installation: Pros and Cons

Though the notion of self-installing a bay window might appeal, you must contemplate the potential risks and difficulties tied to DIY installations. Bay window installations can be intricate, and any errors during the process can result in expensive damage or subpar performance. Hence, engaging a professional installer is advisable for a correct and safe job execution.

By hiring a professional for bay window replacement, you’ll benefit from their expertise and experience in installing bay windows, ensuring that your new window is properly installed and functions optimally. With bay windows installed by a professional, the cost of installation may be higher than attempting a DIY project, but the peace of mind and long-term performance benefits make it a worthwhile investment.

Finding and Hiring a Reputable Bay Window Installer

For a successful bay window installation, follow these steps:

  1. Research the company and check their experience, customer reviews, and the quality of their products.
  2. Get a fixed price online with Value Dors now to find and evaluate the costs and finance options.
  3. Book your survey online and get a timescale for delivery of your bay windows.

Once you’ve identified a good date to carry out your survey, obtain multiple quotes to get an accurate estimate of the cost of the bay window installation and compare prices. This will help you find the best prices and deal that offers a fair price and high-quality work, ensuring your bay window is installed correctly and stands the test of time.

Maintenance and Care for Your Bay Windows

The maintenance and care required for your bay windows and box windows will largely depend on the material used. For example, uPVC windows require minimal upkeep and can be maintained optimally with a quick wipe down using a damp cloth. This is also the same for uPVC doors; they require the same maintenance as windows.

Timber bay windows, on the other hand, need more attention and must be routinely treated with a wood preservative to protect them from the elements. Regular maintenance for timber bay windows includes:

  • Treating them with a wood preservative
  • Cleaning with a glass cleaner and a microfiber cloth
  • Cleaning the window tracks and hinges
  • Lubricating the hinges, locking points, and locks biannually or annually using a light oil like WD40 or 3 in 1.

Following these maintenance steps will help ensure the durability of your timber bay windows.

Common Bay Window Issues and Solutions

Like any other home component, bay windows can develop problems over time. Common issues include insulation troubles, frame damage, and incorrect installation. To tackle these issues, identifying the root cause and taking suitable measures like repairing damaged frames or ensuring correct installation to prevent future issues is crucial.

Maintaining your bay windows and addressing any issues promptly can help prevent more significant problems down the line and ensure their long-lasting performance. By investing in regular maintenance and care, you’ll be able to enjoy the beauty and benefits of your bay windows for years to come.


In conclusion, bay windows are a beautiful addition to any home, offering increased natural light, improved property value, and enhanced enjoyment of your living space. The cost of bay windows can vary depending on material, size, style, and glazing options, with prices ranging from £1,000 to £8,000. It’s important to consider these factors and installation and maintenance costs when planning your bay window project.

By understanding the various aspects of bay window costs, installation, and maintenance, you’ll be better prepared to decide and choose the perfect bay window for your home. With the right style, material, and professional installation, your bay window will enhance your home’s appeal and provide you with lasting enjoyment and value.

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Frequently Asked Questions

What is the average cost of a bay window?

On average, a bay window costs between £1,200 and £3,000 depending on its size and frame material. Triple glazing offers better insulation but can be up to 30% more expensive.

Is a bay window more expensive?

Bay windows are generally more expensive than standard window replacements due to their size, complexity of installation, and customisation costs. High-floor installations may require extra labour and equipment, increasing costs further. Additionally, bay window units themselves often cost more than standard window units.

Do bay windows add value UK?

Bay windows can be a beautiful feature, giving a house more character and making a room appear more spacious. As such, bay windows will likely add value to any UK property.

What factors affect the cost of bay windows?

The cost of bay windows is primarily affected by the materials used, its size, style, and glazing options chosen.

What are the common materials used for bay windows?

uPVC, timber, and aluminium are the common materials for bay windows.

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Written by
Myles Robinson
Myles Robinson Managing Director
Posted on: 19th December 2023
Topic: Advice

Myles is one of our esteemed directors at Value Doors, dedicated to sourcing and fitting the best composite doors and windows. His mission is to offer our customers exceptional deals on energy-efficient composite doors, focusing on reducing costs while making sure the most advanced technology is readily available for installation. This commitment is what motivates Myles in the door industry.

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