8 Different Types of Casement Windows (Pros and Cons)

When it comes to choosing windows for your home, casement windows are a popular choice. These windows are hinged on one side and open outwards. They are versatile, stylish, and provide excellent ventilation.

What are casement style windows?

Casement windows are a style of window that are hinged at the side and open outwards, usually with the help of a crank or handle. They can be made from a variety of materials. At Windows & Doors UK, we only use wood.

Casement windows are popular due to their versatility, energy efficiency, and ease of use. They can be designed to fit any home style, from traditional to modern, and can be customised to meet specific size and style requirements. However, there are quite a few different types of casement windows you could go for. In this article, we will discuss the different types of casement windows available, and explore their pros and cons.

Types of Casement Windows

1. Single Frame Casement Windows

Single casement windows are the most basic type of casement window. Each single frame casement window consists of a single window sash that is hinged on one side and opens outwards. They are an excellent choice for smaller rooms or where the view outside the window is not obstructed.

Pros:

1. Energy efficiency: Single casement windows provide a tight seal when closed, which can help improve energy efficiency and reduce energy costs.
2. Easy operation: With a simple crank or handle, single casement windows are easy to open and close.
3. Good ventilation: Single casement windows can be fully opened to allow for maximum ventilation and fresh air.
4. Versatility: Single casement windows can be customised to fit any size or style requirement, making them a versatile choice whatever your home’s style.

Cons:

1. Limited size: Single casement windows typically have a maximum size limitation, as larger sizes can be difficult to operate and may compromise the structural integrity of the window frame.
2. Limited design options: Compared to other window styles, single casement windows have limited design options, especially in terms of divided lites or decorative grilles.
3. Maintenance: Casement windows, in general, require more maintenance than some other styles, as the hardware and hinges may need to be lubricated periodically.
4. Obstruction: When open, the sash of a single casement window can obstruct the view, which could be a concern if you are particularly keen on your view.

2. Double Frame Casement Windows

Double casement windows consist of two sashes that are hinged on either side of the window frame. They open outwards and provide excellent ventilation. Double casement windows are an excellent choice for larger rooms or where a wider view outside the window is desired.

Pros:

1. Energy efficiency: Double casement windows provide a tight seal when closed, which can help improve energy efficiency and reduce energy costs.
2. Easy operation: With a simple crank or handle, double casement windows are easy to open and close.
3. Good ventilation: Double casement windows can be fully opened to allow for maximum ventilation and fresh air.
4. Larger sizes: Double casement windows can be larger than single casement windows, as the weight of the sashes can be supported by the frame in the center.

Cons:

1. Limited design options: Compared to other window styles, double casement windows have limited design options, especially in terms of divided lites or decorative grilles.
2. Obstruction: When open, the sashes of double casement windows can obstruct the view.
3. Maintenance: Like single casement windows, double casement windows require more maintenance than some other styles, as the hardware and hinges may need to be lubricated periodically.
4. Cost: Double casement windows are typically more expensive than single casement windows, due to their larger size and additional hardware.

3. Triple Casement Windows

Triple casement windows consist of three sashes that are hinged on either side of the window frame. They provide excellent ventilation and can be customised to fit any home style. Triple casement windows are an excellent choice for larger rooms or where a wider view outside the window is desired.

Pros:

1. Energy efficiency: Triple casement windows provide a tight seal when closed, which can help improve energy efficiency and reduce energy costs.
2. Easy operation: With a simple crank or handle, triple casement windows are easy to open and close.
3. Good ventilation: Triple casement windows can be fully opened to allow for maximum ventilation and fresh air.
4. Larger sizes: Triple casement windows can be even larger than double casement windows, providing a greater area of glass for natural light and views.

Cons:

1. Limited design options: Compared to other window styles, triple casement windows have limited design options, especially in terms of divided lites or decorative grilles.
2. Obstruction: When open, the sashes of triple casement windows can obstruct the view.
3. Maintenance: Like single and double casement windows, triple casement windows require more maintenance than some other styles, as the hardware and hinges may need to be lubricated periodically.
4. Cost: Triple casement windows are typically the most expensive of the three styles, due to their larger size and additional hardware.

4. Push-Out Casement Windows

Push-out casement windows are a modern take on traditional casement windows. They are hinged on one side and open outwards, but instead of using a crank handle to open and close the window, they are opened by pushing the window outwards. Push-out casement windows are an excellent choice if you want a modern look and feel.

Pros:

1. Aesthetically pleasing: Push-out casement windows have a sleek and modern look, which can enhance the curb appeal of a home.
2. Easy operation: With a simple handle or lever, push-out casement windows are easy to operate, even for those with limited mobility.
3. Good ventilation: Push-out casement windows can be fully opened to allow for maximum ventilation and fresh air.
4. Enhanced security: Push-out casement windows have multiple locking points, which can enhance their security compared to other casement windows.

Cons:

1. Limited sizes: Push-out casement windows are typically limited in size compared to other casement windows, which can limit their usefulness in larger openings.
2. Limited design options: Compared to other window styles, push-out casement windows have limited design options, especially in terms of divided lites or decorative grilles.
3. Obstruction: When open, the sash of a push-out casement window can obstruct the view.
4. Maintenance: Push-out casement windows require more maintenance than some other styles, as the hardware and hinges may need to be lubricated periodically.

5. Awning Casement Windows

Awning casement windows are hinged on the top and open outwards from the bottom. They are an excellent choice for rooms where the window is located high up on the wall or where a larger window is desired. Awning casement windows are also an excellent choice for rooms where privacy is desired, as they can be opened without exposing the interior of the room.

Pros:

1. Weather protection: Awning casement windows provide excellent protection against rain and other elements, as they can be opened while still providing a shield against the weather.
2. Energy efficiency: When closed, awning casement windows provide a tight seal, which can help improve energy efficiency and reduce energy costs.
3. Good ventilation: Awning casement windows can be opened slightly to allow for ventilation while still providing privacy and security.
4. Increased privacy: Awning casement windows provide increased privacy compared to other window styles, as they are typically located higher on the wall and do not allow direct views into the room.

Cons:

1. Limited sizes: Awning casement windows are typically limited in size compared to other window styles, which can limit their usefulness in larger openings.
2. Limited design options: Compared to other window styles, awning casement windows have limited design options, especially in terms of divided lites or decorative grilles.
3. Obstruction: When open, the sash of an awning casement window can obstruct the view.
4. Maintenance: Awning casement windows require more maintenance than some other styles, as the hardware and hinges may need to be lubricated periodically.

6. French Casement Windows

A french casement window consists of two sashes that are hinged on either side of the window frame, but unlike double casement windows, there is no center post. This provides an unobstructed view outside and excellent ventilation. French casement windows are an excellent choice if you want a traditional look and feel.

Pros:

1. Excellent ventilation: French casement windows provide excellent ventilation as both sashes can be opened fully, allowing for maximum airflow.
2. Aesthetically pleasing: French casement windows are known for their elegant and classic look, which can enhance the overall aesthetic of a home.
3. Improved access: French casement windows are ideal for locations where access to the outdoors is desired without having to fully open a door or walk around a large fixed window.
4. Energy efficiency: When closed, French casement windows provide a tight seal, which can help improve energy efficiency and reduce energy costs.

Cons:

1. Space requirements: French casement windows require sufficient space to operate properly, which can be a problem in smaller rooms or spaces.
2. Cost: French casement windows are typically more expensive than other window styles due to their complex design and hardware requirements.
3. Security: The design of French casement windows makes them vulnerable to forced entry, so additional security features may be necessary.
4. Maintenance: French casement windows require more maintenance than some other styles, as the hardware and hinges may need to be lubricated periodically.

7. Cottage Casement Windows

Cottage casement windows are a popular choice if you like a traditional look to your windows. They are hinged on one side and open outwards, but unlike traditional casement windows, they have a decorative bar that runs down the center of the window.

Pros:

1. Aesthetic appeal: Cottage casement windows have a unique, rustic look that can add charm and character to a home. They are available in a variety of materials, including wood and vinyl, which can be customised to fit your aesthetic preferences.
2. Increased ventilation: Cottage casement windows can provide excellent ventilation, as the entire window can be opened to allow fresh air to enter the room.
3. Energy efficiency: Cottage casement windows are typically designed with energy efficiency in mind and can help reduce heating and cooling costs by preventing drafts and air leaks.
4. Security: Cottage casement windows can be designed with multi-point locking systems, making them more secure than other window styles.

Cons:

1. Limited view: Cottage casement windows are wider than they are tall, which may limit the view from the window.
2. Limited customisation: Due to their unique shape, cottage casement windows may not be as easily customised as other window styles. This can make them more difficult and expensive to replace if needed.
3. Maintenance: Cottage casement windows may require more maintenance than other window styles, particularly if they are made of wood.

8. Bay and Bow Casement Windows

Bay and bow casement windows are an excellent choice if you want to add more space and light to a room. They consist of multiple casement windows that are arranged in a curve or angled design, providing a panoramic view outside. Bay and bow casement windows can be customised to fit any home style and provide excellent ventilation.

Pros:

1. Increased natural light: Bay and bow casement windows provide a large, unobstructed view and allow more natural light to enter the room, making it appear larger and more spacious.
2. Added space: Bay and bow casement windows can create an additional space or nook in a room, which can be used for seating or as a decorative area.
3. Versatility: Bay and bow casement windows can be customised to fit a variety of architectural styles and can be combined with other window styles, such as double-hung or awning windows.
4. Increased ventilation: Bay and bow casement windows can provide better ventilation than fixed windows, as the side windows can be opened to allow airflow.

Cons:

1. Cost: Bay and bow casement windows are typically more expensive than other window styles due to their complexity and size.
2. Installation: The installation of bay and bow casement windows can be more complex than other styles due to their size and shape, requiring more time and effort.
3. Limited privacy: Bay and bow casement windows may compromise privacy as they provide an unobstructed view of the room’s interior.
4. Maintenance: The upkeep of bay and bow casement windows may be more challenging, as they have more moving parts that require regular maintenance

What is the best casement window materials

Wooden casement windows are often considered the best choice for for several reasons.

1. Aesthetic appeal: Wooden casement windows have a classic, timeless look that is incredibly appealing. They can add warmth and character to a home’s exterior and interior, making it feel more inviting.
2. Energy efficiency: Wooden casement windows have excellent insulating properties, making them very energy efficient. Wood is a natural insulator, so it helps to keep the cold air out in the winter and the warm air out in the summer. This can lead to lower heating and cooling bills and a more comfortable home environment.
3. Durability: Properly maintained, wooden casement windows can last for decades. High-quality wood, such as oak or mahogany, is very strong and can withstand harsh weather conditions. Wooden frames can also be repaired if they are damaged, whereas vinyl or aluminum frames may need to be replaced entirely.
4. Customisation: Wooden casement windows can be customised to fit your preferences, including the type of wood, finish, and hardware. This can allow you to create a unique look that complements your home’s architecture and design.

Which casement window frames should you go for?

Casement window frames come in different types, including traditional frames, slimline frames, and flush frames, each with their own advantages and disadvantages.

Traditional Frames

Traditional Frames are the most common type of casement window frame. They have a classic look and feel that can complement a wide variety of home styles. Traditional frames typically have a thicker profile, which can provide additional insulation and structural support.

Slimline frames

Slimline frames, on the other hand, are ideal for modern homes where a minimalist look is desired. Slimline frames have a thinner profile than traditional frames, which can create a sleeker, more streamlined appearance.

Flush frames

Flush frames are designed to blend seamlessly into the wall, creating a sleek, clean look. They are often used in modern and contemporary homes where a minimalist aesthetic is desired.

When choosing a casement window frame, it is important to consider the overall style of your home and the look that you are trying to achieve. Traditional frames may be a better fit for older, more traditional homes, while slimline and flush frames may be better suited for modern or contemporary homes. Additionally, it is important to consider the material of the frame, as this can affect the window’s energy efficiency, durability, and maintenance requirements.

Energy efficiency of casement windows

Casement windows are known for their exceptional energy efficiency. When the window is closed, the sash presses tightly against the frame, creating an airtight seal that prevents air leaks and reduces energy loss. This seal also prevents moisture and drafts from entering your home, making your home more comfortable and energy-efficient.

In addition to their inherent energy efficiency, casement windows can be customised to further enhance their performance. One way to do this is by adding low-E coatings to the glass. Low-E coatings are a thin layer of metallic particles that reflect heat and ultraviolet light, reducing the amount of heat that enters your home in the summer and the amount of heat that escapes your home in the winter.

Insulated glass i.e. double glazed casement windows are another option for improving energy efficiency. It is made up of two or more panes of glass with a sealed space between them filled with air or gas. This trapped air acts as an insulator, slowing down the transfer of heat through the window.

How easy are casement windows to maintain?

Casement windows are relatively low maintenance, but they still require occasional cleaning and lubrication of the hinges and hardware. Wood casement windows will require more maintenance than vinyl or aluminium windows, as they need to be painted or stained regularly to protect them from the elements. However, they simply look better.

What’s the cost of casement windows?

The cost of wood casement windows can vary depending on several factors, such as the size, design, and quality of the window. On average, you can expect to pay anywhere from £400 to £1200 per window, including installation costs.

Higher-quality wood, such as oak or teak, will typically cost more than other types of wood, such as pine or Douglas fir. Additionally, if you choose custom designs or features, such as decorative glass or hardware, the cost can increase significantly.

It’s important to consider the long-term costs associated with wood casement windows. While they may be more expensive upfront, they are known for their durability and longevity, and can potentially save you money on energy bills in the long run.

Additionally, regular maintenance and upkeep can extend the lifespan of your wood casement windows, potentially saving you money on replacements down the line

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