Last Updated on 5 March 2025 by Josh Lucas
When it comes to enhancing the look and performance of your home, casement windows offer the ideal solution.
As one of the most sought-after window styles in the UK, they combine modern functionality with timeless design, making them a versatile option for various property types, from contemporary new builds to charming period homes.
Casement windows are hinged at the side or top and open outward, providing exceptional ventilation, energy efficiency, and security.
Read on to discover everything you need to know about casement windows, their benefits, styles, and how they can add value to your home.
What We’ll Cover
- Browse Our Range
- Key Benefits & Features
- Casement Windows Buyer’s Guide
- Installation & Maintenance Tips
- FAQs
Browse Our Range of Casement Windows
At GFD Homes, we provide a range of high-quality uPVC and aluminium casement windows that cater to different styles, budgets, and performance needs.
Whether you’re looking for a cost-effective upgrade or a premium aluminium frame with ultra-slim sightlines, we have a solution that fits.
Our range includes:
uPVC Casement Windows
- Brand: Eurocell & Deceuninck
- Energy Efficiency: A+ rated
- Glazing Options: Double or triple glazed
- Security: Multi-point locking system
- Frame Depth: 70mm
- Colours & Finishes: White, Anthracite Grey, Chartwell Green, Oak, Rosewood, and more
- Price Range: From £250 per window
Aluminium Casement Windows
- Brand: Smart Alitherm 400
- Energy Efficiency: A rated
- Glazing Options: Double or triple glazed
- Security: PAS 24 certified high-security locking
- Frame Depth: 70mm with thermal break
- Colours & Finishes: Available in a vast range of RAL colours
- Price Range: From £450 per window
Key Benefits & Features
Excellent Ventilation
Casement windows open outward like a door, allowing for maximum airflow.
Their design enables full top-to-bottom ventilation, making them ideal for warm days when you want to let fresh air in.
Unlike sliding or sash windows, casement windows can be fully opened to catch side breezes, improving air circulation throughout your home.
Superior Energy Efficiency
Modern casement windows are engineered for high insulation performance, reducing heat loss and lowering energy bills.
With double or triple glazing options, they achieve U-values as low as 1.2 W/m²K, ensuring your home stays warm in winter and cool in summer.
uPVC options provide excellent thermal insulation, while aluminium casement windows incorporate polyamide thermal breaks to enhance energy efficiency.
Increased Security
Thanks to their multi-point locking systems, casement windows offer enhanced protection against break-ins.
When fully closed, the sash presses tightly against the frame, making it difficult to force open from the outside.
Additionally, options such as internal glazing beads prevent glass from being removed externally, adding an extra layer of security.
Easy to Operate
Fitted with durable handles and friction stays, casement windows open and close with minimal effort. Some models even come with easy-clean hinges, allowing you to clean the glass from inside your home.
This makes them a practical choice for upper-floor windows where external cleaning might be challenging.
Versatile Design Options
Whether you prefer a sleek aluminium frame for a contemporary finish or a woodgrain uPVC style for a classic touch, casement windows come in various colours, finishes, and configurations.
Enhanced Noise Reduction
Live in a noisy area?
Different glazing options help reduce external noise pollution, creating a quieter, more peaceful living space. Triple glazing is particularly effective for homes near busy roads or flight paths.
Increased Home Value
New, high-quality casement windows can boost your property’s kerb appeal and value, making them a smart investment if you’re considering selling in the future.
A well-insulated and stylish window setup not only improves aesthetics but also enhances overall energy performance, which is a major selling point for buyers.
Casement Windows Buyer’s Guide
Casement Window Styles
Casement windows come in different styles, each suited to different preferences and requirements:
Side-Hung Casement Windows
These windows are hinged on the side and open outward like a door. They allow for excellent ventilation and can be installed as single or double windows to fit various home styles.
Top-Hung Casement Windows
Hinged at the top, these windows open outward from the bottom, making them ideal for spaces that require controlled ventilation, such as bathrooms and kitchens. They help prevent rain from entering while allowing fresh air to circulate.
Flush Casement Windows
Flush casement windows sit neatly within the frame, creating a sleek, modern look. They are a great choice for contemporary homes as well as traditional properties looking for a minimalist finish.
French Casement Windows
A pair of casement windows without a central mullion, French casement windows provide an unobstructed view when fully opened. They are an elegant option that enhances both aesthetics and functionality.
Material Comparison
Choosing the right material for your casement windows is crucial for performance, durability, and aesthetic appeal.
uPVC Casement Windows
- Affordability: uPVC casement windows are the most budget-friendly option.
- Energy Efficiency: They offer excellent insulation, reducing heat loss and improving energy efficiency.
- Low Maintenance: Resistant to rotting, warping, and fading, uPVC requires minimal upkeep.
- Style Variety: Available in various colours, including woodgrain finishes for a traditional look.
Aluminium Casement Windows
- Slimmer Frames: Aluminium allows for more glass and less frame, creating a sleek, contemporary appearance.
- Durability: Known for its strength, aluminium withstands extreme weather conditions and lasts for decades.
- Bespoke Colours: Choose from an extensive range of RAL colours to match your home’s style.
- Sustainability: Aluminium is highly recyclable, making it an eco-friendly option.
Casement Window Manufacturers
At GFD Homes, we supply windows from industry-leading manufacturers, ensuring top-quality products for your home.
Eurocell
Eurocell is known for producing affordable and energy-efficient uPVC windows. Their casement windows offer excellent insulation and are available in a variety of finishes to suit different home styles.
Deceuninck
Deceuninck offers premium uPVC windows with outstanding weatherproofing and insulation. Their casement windows are durable and stylish, making them a great long-term investment.
Smart Alitherm 400
Smart Alitherm 400 specialises in aluminium casement windows that combine durability, sleek design, and superior security features. These windows are ideal for homeowners seeking a high-end, modern aesthetic.
Installation & Maintenance Tips
Proper installation and regular maintenance will keep your casement windows in top condition for years to come.
Professional Installation
Getting your windows professionally installed ensures a perfect fit, reducing the risk of drafts, leaks, and poor insulation. At GFD Homes, we offer expert installation services to guarantee optimal performance.
Cleaning & Upkeep
- uPVC Frames: Simply wipe down with warm soapy water to keep them looking fresh.
- Aluminium Frames: Use a non-abrasive cleaner to maintain the powder-coated finish.
- Glass Cleaning: Use a soapy water solution or specialist glass cleaner for streak-free windows.
Lubrication
To keep hinges and locks operating smoothly, apply a silicone-based lubricant once a year. This prevents stiffness and ensures easy operation.
Seal & Weatherproofing
Check the window seals and weatherstripping periodically to ensure they remain intact. Replacing worn seals can prevent air leaks and improve energy efficiency.
Customer Reviews & Ratings
⭐⭐⭐⭐⭐ – Ralph (London)
“Best windows company I have ever dealt with and the quality is brilliant”
We take pride in delivering quality and satisfaction with every installation, check out our Trustpilot and see what our happy customers have to say about our glass doors!
Ready to Upgrade? Call Our Expert Team Today!
Casement windows are an excellent investment for homeowners looking to improve their home’s energy efficiency, security, and aesthetic appeal.
Whether you’re upgrading from older windows or starting fresh with a new build, our selection of uPVC and aluminium casement windows offers the perfect solution.
Our knowledgeable team is ready to help you find the right fit for your home. Call us today on 01642 309 576 or get an instant quote online at GFD Homes.
FAQs for Casement Windows
What is a casement window?
A casement window is a type of window that is hinged at the side and opens outward, similar to a door. They offer excellent ventilation, security, and energy efficiency.
Can casement windows be double glazed?
Yes! Our casement windows come with double or triple glazing options, ensuring high thermal performance and noise reduction.
What are casement windows in the UK?
In the UK, casement windows are the most common window style found in homes. They are known for their practicality, security, and energy efficiency.
What is the downside of casement windows?
While casement windows offer many benefits, some potential downsides include:
- Limited opening space if obstructed by external features (e.g., trees or walls)
- Higher cost for premium materials like aluminium
- Potential wind resistance in very exposed locations due to their outward-opening design
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Trade casement windows: Looking for trade prices? Check out our trade site The Trade Village
