A casement window is one of the most common window styles throughout the UK. Its seamless design allows the window to open on a hinge and swing outward using a handle.
At Haus Installations, we’re often asked “What are casement windows and how are they different from sash or sliding windows?” The key difference is that unlike sliding or sash windows, casement windows open fully, rather than moving vertically or horizontally. This helps provide better ventilation, amongst other benefits.
Let’s further explore how casement windows function, their benefits and all the different types, so you can decide if they’re right for your home.
Different Types of Casement Windows
There are several styles of casement windows available, but Haus Installations specialises in flush casement and stormproof casement windows.
Another enquiry we regularly receive is “what are flush casement windows?” In short, flush casement windows sit flat within the frame when closed. This helps provide smooth functionality and a sleek appearance. This style is popular as it’s widely used in contemporary and traditional homes. They can fit the traditional aesthetic of heritage homes but offer modern performance, providing the best of both worlds.
Stormproof casement windows overlap the frame when closed. This design provides enhanced weather protection and excellent thermal performance. They are a popular choice for exposed properties or homeowners prioritising insulation and durability.
The key difference between the two comes down to appearance and sealing style. Flush casements focus on aesthetic, while stormproof casement prioritise weather resistance. However, both are durable and capable of withstanding the great British weather.
Key Benefits of Casement Windows
Casement windows are sleek, practical and versatile, making them a popular choice for traditional and modern homes across the UK. They provide excellent ventilation as the window can open fully, allowing fresh air to flow easily into the room. Their design also puts you in control by providing as much or as little ventilation as you desire.
They’re also highly energy efficient, which is important with unpredictable heating costs. When closed, the window presses tightly against the frame, reducing draughts and heat loss, helping you save on your electricity bill. The large glass areas also provide clear and unobstructed views, allowing more natural light to enter your home.
Security is another benefit and is essential for any home. It’s why modern casement windows use multi-point locking systems that secure the window at several points around the frame. They’re also easy to operate, clean and lock, particularly when made with modern uPVC or aluminium frames.
Things to Consider
When deciding if casement windows are right for you, consider the following. Casement windows open outward, so they require external space. Be aware of any surrounding space such as walkways or nearby plants. Also consider reinforced hinges for windy areas that catch strong gusts.
Larger or heavier casement windows may require stronger hardware to ensure smooth operation over time. Maintenance is another aspect to consider as certain materials may require more maintenance and upkeep than others. Costs can also vary depending on the frame material, glazing type and window size. That’s why it’s important to go with a company that provides clear and pressure-free quotes, such as Haus Installations.
Are Casement Windows Right for You?
Now that we’ve gone over the benefits and considerations, you should be able to determine whether casement windows are the right choice for your home. If you benefit from improved ventilation, airflow and insulation then they may be right for you.
They suit a wide range of homeowners, from those who prioritise security to those who want a low-maintenance solution. Remember to keep in mind the exterior space or any room types where outward openings could be an issue.
Tips for Choosing Casement Windows
Here are some additional tips to help you choose the right casement windows for your home:
- Choose the right material (uPVC, aluminium, timber) based on maintenance, budget and aesthetic
- Double or triple-glazed windows can help with heat loss and reduce noise
- Make sure windows open and close smoothly
- Look for good energy ratings (BFRC / U-values)
- Choose windows with strong multi-point locking systems
- Work with a reputable installer that is highly rated and provides correct fitting and long-term performance with every installation
FAQs
How Long Do Casement Windows Last?
Casement windows typically last between 20 and 40 years, depending on the material used and how well they are maintained. uPVC and aluminium frames generally last longer with less upkeep compared to wood.
How Wide Can Casement Windows Be?
In the UK, individual casement opening panels are usually limited in width due to the weight of the glass. Larger window designs often combine fixed panels with smaller opening sections.
How Do Casement Windows Open?
Casement windows open outward on side hinges and are operated using a handle. Some designs also use a crank mechanism, depending on the window style and size.
