French Casement Window Cost

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French Casement Window Cost

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Get French casement window costs with quotes provided from Compare Companies. Casement window costs can vary depending on size, material, and location, which means accurate prices can ensure you’re prepared for the work to be done. With our no-obligation, free service, you can be sure there are no hidden costs or surprises.

Find out more about French casement window costs and what they can bring to your home.

What Are French Casement Windows?

French casement windows consist of two casement windows that sit side by side and open inwards or outwards from the centre. There is no mullion present between the two windows, which means that when they are open, there is a wide-open space.

French casement windows are fitted with the latest multipoint locking systems to make them secure. When the windows are closed and the locks are engaged, they are secured at several points in the framework, which makes it very difficult to force them open.

The basic features of French windows and doors are essentially the same. They both open inwards or outwards from the centre to leave a clear space. However, because French doors are used by people as a means of entering or exiting a room or property, the individual doors tend to be considerably larger.

French Casement Window Cost
wooden windows

The Benefits Of French Casement Windows

There are plenty of benefits to choosing French casement windows, which include:

Uninterrupted views of the outside when open
Letting plenty of air into your home
High-security locks for peace of mind

What Materials Are Double Glazed French Casement Windows Available In?

French casement windows come in all the standard double glazing window frame materials, uPVC, aluminium and timber, and your choice will determine the casement window cost you pay.

uPVC French Casement Windows

uPVC tends to be the most cost-effective framing material for French windows. It’s low maintenance, an excellent insulator and very durable, although not quite as durable as aluminium and timber.

uPVC is available in a wide range of finishes, including wood grain. These give uPVC windows a timber-like aesthetic, but they can increase the casement window cost compared to smooth options.

House with dormer windows
Anglian White UPVC tilt and turn windows open gold handle close up

Aluminium French Casement Windows

Aluminium is an incredibly strong and durable material, which means aluminium French casement windows have super slender frames that can last for many years. Despite making French casement windows cost more than uPVC, uPVC windows tend to insulate the home better, so your energy bills might be slightly higher in some cases.

Aluminium windows can be powder coated in any RAL colour too, so there is a huge amount of flexibility when it comes to their finish.

Timber French Casement Windows

Timber French casement windows are considered a more premium window solution, but many feel it’s the only material that perfectly captures their historical charm. They can last for the longest length of time, so may work out to be better value in the long run too.

Timber is an excellent insulator, but unlike uPVC and aluminium windows, they will need retreating every 7 years or so, which does add more to the overall casement window cost. They are available in a wide range of paint and stain finishes, so you can achieve a variety of different looks.

How Much Do French Casement Windows Cost?

French casement window costs depend on the same factors affecting the price for other types of double glazing, including the number of windows you’d like fitted, their size, finish and your chosen framing material.

Size (mm)


Approximate Price


Approximate Price


Approximate Price

500 x 500



Wood Grain


Anthracite Grey


1000 x 500



Wood Grain


Anthracite Grey


1000 x 1000



Wood Grain


Anthracite Grey


1200 x 1200



Wood Grain


Anthracite Grey


Where Are French Windows Used?

The most common location for French windows are the upper floors of the home, especially as dormer windows. Higher-up locations are ideal for them because this ensures wonderful outside views. An installer will need to use scaffolding to install dormer windows, which will be factored into the installation cost.

Double glazed French casement windows are also used on the first-floor when French doors are too big for the space, or where there isn’t a large enough opening available on the first-floor windows to meet fire escape regulations.

Get French Casement Window Costs

All of our French casement window costs come directly from manufacturers and installers that have been vetted and certified by CERTASS and/or FENSA. This means you can trust the quality of work they provide. We provide competitive casement window costs so you know exactly what’s involved and avoid hidden charges. Get in touch with our team at Compare Companies by filling in the form to learn about French casement window costs for your home today.

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