French windows and casement windows: the differences

An exterior view of a three-story French country house featuring white wood windows and doors.

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When selecting windows for your home, style and functionality play key roles. For luxury residences, two of the most popular choices are casement windows and French windows. Both options offer elegance and practicality, but they differ in significant ways. Understanding these distinctions can help you choose the right fit for your home, especially if you’re aiming to achieve a specific architectural look or prioritize certain functional benefits. Whether you’re renovating a historic property or designing a modern home, exploring these two options will ensure you make a well-informed decision.

The interior view of a living room showcasing white custom wood windows in a country house.

What are casement windows?

Casement windows are hinged on the side and open outward, much like a door. They are one of the oldest types of wood windows and are still popular today for their simplicity and functionality. Casement windows are typically operated by a crank, which allows you to open them wide for maximum ventilation.

These windows are a versatile option, often used in modern and traditional homes alike. They can be installed in various sizes, making them suitable for different types of spaces, from kitchens to living rooms. The ability to control how wide they open adds a layer of practicality that many homeowners appreciate.

What are French windows?

French windows, often seen as a staple in luxury windows, differ in both function and appearance. These windows are essentially tall, narrow, and designed to open in the middle or on the side. Unlike casement windows, French windows open inward, with one or two sashes that swing open like doors. This gives them a grand, classic appearance that pairs beautifully with traditional and French-style homes.

French windows, especially when framed in wood, such as our Lafayette and Versailles Collections, exude elegance and sophistication. They are often used in large spaces, such as living rooms that open to a garden, creating a seamless connection between indoor and outdoor areas. French windows are also perfect for those who want to add more light and space to a room, as their larger glass panes allow for ample natural light.

Key differences between casement and French windows

  1. Windows operation mechanism

    The most obvious difference between casement windows and French windows is how they open. Casement windows open outward from one side, thanks to their side-hinged design and a crank mechanism. French windows, on the other hand, open from the centre or the side. Each sash swings open like a door, which adds a grand feel to any room.

  2. Aesthetic appeal 

    When it comes to aesthetics, French windows have a more traditional and elegant appearance. Homeowners often use them in luxury homes and classic architectural styles. French windows bring a sense of grandeur and timeless charm, especially when framed with wood windows, which adds warmth and character to the design.

    Casement windows, however, offer a cleaner, more streamlined look. People tend to use them in more modern and affordable settings. Although they don’t have the same level of ornamentation as their counterparts, casement windows are perfect for homeowners who value simplicity.

  3. Energy efficiency in windows

    When considering energy efficiency, both casement windows and French windows often have the upper hand. Due to their tight seal when closed, they are excellent at preventing drafts and ensuring your home stays insulated. This can be especially beneficial if you’re trying to improve the energy efficiency of your home.

    Opting for wood windows in both styles can also enhance insulation, as wood is a natural insulator that helps regulate indoor temperatures. Which is why all our windows and doors are certified by the NFRC.

  4. Ventilation

    Both casement and French windows provide excellent ventilation, but they do so in different ways. One-sash wood windows allow you to control the amount of airflow by adjusting how wide you open the window. This makes them ideal for spaces where you want flexibility in ventilation, such as kitchens and bathrooms.

    Other French windows, with their wide, double-sash design, provide maximum airflow when fully opened. They create an open and airy feel, making them a great choice for large rooms or areas where you want to merge indoor and outdoor spaces.

  5. Space considerations

    If space is a concern, casement windows may be the better option. Since they open outward, they don’t take up any interior space. This makes them ideal for smaller rooms in affordable housing.

    French windows, because they often open inward, require more space to operate. You’ll need to ensure there’s enough room for the sashes to swing open fully. However, their grand appearance makes them a statement feature in any room.

  6. Window security

    Casement windows and French windows are often considered more secure than other types of wood windows. The hardware mechanism and side-hinged design make it difficult for intruders to pry them open. Additionally, they typically close tightly, adding another layer of security.

Conclusion: which window is right for you?

Both casement windows and French windows have their unique advantages, and the best choice for your home will depend on your specific needs. If you seek practicality, simplicity, and affordability, casement windows may be the perfect fit. However, if you want to elevate your home’s elegance and create a seamless transition between indoor and outdoor spaces, French windows, especially luxury wood windows, are a stunning option. You can check our case study on the French castle renovation where we installed French windows! 

Maison Janneau specializes in high-quality wood windows and luxury windows design, offering a range of options to suit any architectural style. Whether you prefer single sash casement windows or the timeless beauty of French windows, our craftsmanship ensures that your home will benefit from both aesthetics and functionality. Reach out to our team today to discover the best window solution for your project.

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