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How Much Do Casement Windows Cost in 2024?

Written By:

Reviewed By:

Leonardo David

Updated on

Easy open windows

Casement windows are one of the most popular window styles in the UK, thanks to their combination of affordable prices and energy efficiency.

If you’re looking for replacement windows that will pay off, casement frames are a good bet. You probably want to know how much they cost, what they offer for your home, and how you can get the best deal in the market.

  • uPVC casement windows cost around £372-£961 per frame, including installation labour.
  • Casement windows are available in a wide range of materials and styles.
  • In a home with six windows, an upgrade to uPVC casement frames can cost £2,232-£5,826.

Casement windows are a good choice for most homes, but you should always know what you’re getting for your money. We’ve put together a complete guide to casement windows in the UK to help you make the best decision.

How Much Do Casement Windows Cost?

Installing new windows means investing in your home. Having a clear idea of material and installation costs is very helpful before you compare installers.

  • You can get window replacement quotes online, but keep in mind that their accuracy is limited.
  • Glazing, frames and other window materials only represent around 40-60% of project costs.
  • Labour costs make up the remaining 40-60% of your budget, and they can only be calculated accurately after a site inspection.

However, you can get a good idea of what your windows will cost based on average installation prices. Here are some typical price ranges from the UK Federation of Master Builders (FMB):

  • uPVC casement windows = £372 – £961
  • Aluminium casement windows = £744 – £1,147
  • Timber casement windows = £1,147 – £1,829
  • Composite casement windows = £2,046 – £3,596

In general, lower prices reflect budget windows with minimal add-ons. Higher prices reflect premium options with better security features, soundproofing, coating or other amenities.

The FMB also provides average prices for casement windows of specific sizes, which are summarised in the following table:

Window Material600 x 900 mm  900 x 1200 mm1200 x 1200 mm  
UPVC £500£580£620
Aluminium £1,000£1,150£1,250

Now that you know how much casement windows are likely to cost, you’re probably wondering what they offer for your home.

Casement Windows Features

Casement windows have a hinged side that opens outward, operated by a crank handle mechanism. These windows are held in place by a casement stay when in the open position, which also keeps them from swinging with the wind. In larger wall openings, casement windows are often installed in pairs with their hinges facing in opposite directions. This way they can swing outwards and away from each other.

Like any other window type, casement windows have pros and cons you should consider before a buying decision.

Pros of Casement Windows

Casement windows are very popular in the UK, thanks to a large number of positive features.

Ventilation – Casement windows offer more ventilation than any other window style, since the entire glazed area can open outward.

Durability – The addition of a casement stay ensures that windows do not swing in the wind. This makes them safer and less likely to shatter, compared with old-fashioned windows without a casement stay.

Security – Casement frames support casement stays to prevent windows from being pried open, multiple point locking mechanisms, and secure sealing to prevent locks from being broken open. This ensures that they offer enough security to prevent someone from easily breaking the lock.

Energy Efficient – The only window that offers more energy efficiency than a casement window is a sealed window. Why? Casement windows can close tightly, with their seals fully aligned with their frames. This keeps out cool air during winter and hot air during summer. If the main purpose of your window upgrade is reducing your energy bills, casement windows are one of your best options.

Soundproofing – Casement windows are also an excellent choice for soundproofing, since they seal very tightly when closed. The same mechanism that prevents air leaks keeps noise outside, with greater effectiveness than in other types of window frames. If you live in a noisy area, this is a huge plus in favour of casement windows.

Easy to Clean – Casement windows are flat and easily to access from both sides for cleaning purposes. While they may have different numbers of panes depending on the style, they can be easily wiped down and kept clean.

Affordable – Casement windows cost around 20-60% less than any other frame option in the UK. If you want to maximize your return on investment with energy savings, the low cost of casement windows makes them the best option for most homes.

Cons of Casement Windows

Casement windows also have technical limitations, and you should be aware of them before making a purchase decision.

Exposure – Casement windows swing all the way open – letting dirt, dust, rain, and even bugs inside. If you’re concerned about what is coming into your home, casement windows may not be the best option. However, this can be easily solved by adding mosquito netting to your windows.

Size Limitations – Casement windows have a single frame that supports a large amount of glass. While this reduces costs, it also limits the size of the window. In general, you will have difficulties finding a casement window larger than 150 cm tall, but some manufacturers design them up to 170 cm tall.

Accident Risk – Keep in mind that casement windows swing outward. They are not the best option when facing an outdoor area that is frequently occupied by people, since they can easily cause an accident.

Getting a Good Deal on Casement Windows

Casement windows are an affordable option that combines energy efficiency, ventilation and safety. If you’re hoping to save money with replacement windows, casement windows are an excellent choice. While they have some technical limitations, they make a good fit for most homes. However, you should still take the time to do your research and shop around, so you can find a great deal on your frames.

  • Shop around and compare quotes for window prices.
  • Know what you want and choose a material that works for you and your home.
  • Don’t accept same day offers, they’re likely a scam even if they seem cheaper than the original offer.
  • Choose value and long-term quality over bare minimum cost. If your windows cannot last for 15 years or more, you probably won’t recover the upfront investment.

Getting replacement windows is an investment in your home, and casement windows have a lot to offer. If you’re ready to start comparing quotes, you can use our free service. Just tell us what you’re looking for and we will request competitive quotes from top suppliers in your area. We will forward you the top 3 offers, saving up to 37.5% on your casement windows.

How much do casement windows cost in the UK?

Casement window prices in the UK can vary depending on factors like size, material, and style. On average, you can expect to pay between £372-£961 per casement window, including installation.

Are there any government grants available for casement window installations in the UK?

There are some UK double glazing grants available, especially for over 60’s and those in low income housing.

What factors affect the cost of casement windows in the UK?

Several factors impact the cost, including the type of material (e.g., uPVC, wood, aluminum), the size of the window, the number of openings, and any additional features or customization.

How much does double glazing cost for casement windows in the UK?

The cost of double glazing for casement windows in the UK can range from £150 – £450 each, or £5000 to £7000 for a 3 bedroom house., depending on the size and type of double glazing used. It’s an excellent option for improving energy efficiency.

Can I get a price estimate for casement windows in the UK?

Yes, you can request price estimates from local window suppliers and installation professionals in the UK. They will provide quotes based on your specific requirements and the features you want for your casement windows.

Written By

Ollie Smith Photo

Ollie Smith

Ollie is the director of Ecopreneurist, with a string of successful publishing brands under his belt, he aims to make the world a better place by showcasing only the best, unbiased and reliable content on the web!

Reviewed By

Leonardo David Photo

Leonardo David

Leonardo David is an electromechanical engineer, MBA, energy consultant and technical writer. He has also been writing articles about energy and engineering topics since 2015.

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