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Crafted by Us
Our uPVC windows and doors are manufactured here, in Stratford-upon-Avon in our state of the art factory.
Energy Efficient
Modern multi-chamber profiles and high-performance glazing help keep you warm and comfortable all year.
Why Choose Casement Windows?
The simple design, outward opening action and flexible layouts of casement windows make them suitable for a wide variety of properties, from traditional cottages to modern family homes.
- Excellent energy efficiency that helps keep homes warmer and more comfortable
- Fully made to measure to suit each property.
- Wide range of colours and woodgrain finishes available.
- Secure multi point locking systems for improved home security
- Flexible opening styles including side hung and top hung windows.
- Low maintenance uPVC that will not rot, warp or require painting.
- High security multi-point locking systems.
- Suitable for both traditional and modern homes.
- Available in a variety of configurations including fixed, side-hung and top-hung.
- Comprehensive 10-year guarantee on all parts.
Energy Efficient uPVC Casement Windows
uPVC has transformed the performance of modern windows over the past few decades. Earlier generations of windows often allowed heat to escape easily, leaving rooms colder in winter and less comfortable throughout the year.
Modern uPVC frames are designed with insulated chambers and high performance glazing that significantly improves thermal efficiency. For homeowners this means a warmer home, reduced energy loss and a window system designed to perform reliably for many years.
Another reason uPVC casement windows have become so widely used is their cost effectiveness. Compared with other materials, uPVC offers strong durability and insulation while remaining accessible for many homeowners undertaking improvement projects. The material is resistant to weathering and does not require the regular maintenance associated with traditional painted frames. This combination of efficiency, longevity and sensible cost makes uPVC an attractive option when replacing older windows.
Slimline Aluminium Casement Windows
Aluminium casement windows are often chosen for their slim frames and contemporary appearance. The strength of aluminium allows larger panes of glass, bringing more natural light into the home while maintaining excellent structural integrity. This makes them particularly suited to modern extensions, large openings and properties where a clean architectural style is preferred.
Aluminium is also highly durable and resistant to weathering, providing a long-lasting solution with very little maintenance required. Many homeowners choose aluminium casement windows when they want a modern aesthetic combined with strong performance and lasting value.
Aluminium is more expensive than uPVC. Depending on your budget, you may find a balance in choosing uPVC for windows and aluminium for the larger openings such as
patio doors.
Peace of Mind
Proud to be registered with CERTASS, the leading fenestration authority in the UK.
Experienced
Prior Products is a family business that has been delighting homeowners for over 36 years.
10 Year Guarantee
Our commitment to quality is supported by a comprehensive 10-year guarantee and is insurance-backed
Timberlook Flush Casement Windows
Flush casement windows are designed so the opening sash sits level with the outer frame, creating a smooth and elegant appearance that closely reflects traditional timber windows.
This style is particularly popular in period properties and homes in villages across the Cotswolds and surrounding areas, where maintaining the character of the building is important.
Our flush casement windows combine the appearance of traditional joinery with the durability and insulation of modern glazing. Homeowners benefit from improved comfort, reduced maintenance and a refined exterior finish that enhances the overall appearance of the property.
Traditional Timber Windows
Timber casement windows remain a classic choice for many traditional homes, along with sash windows. The natural warmth and texture of timber complements period architecture and can add genuine character to cottages, farmhouses and older town properties.
Modern timber windows offer far better insulation and durability than older designs, helping homeowners maintain the charm of timber while improving comfort and energy efficiency.
Timber casement windows can also be finished in a wide range of colours and stains, allowing them to blend naturally with the property and surrounding environment.
How energy efficient are modern casement windows?
Modern casement windows are designed with insulated multi chamber frames and high performance double glazing that helps retain heat within the home.
,The internal structure of the frame creates pockets of still air which act as a barrier to heat transfer, improving the overall thermal efficiency of the window. When combined with modern glazing units and effective weather seals, this design helps reduce the amount of heat that escapes through the window opening.
For homeowners this improved insulation makes a noticeable difference to everyday comfort. Rooms tend to maintain a more stable temperature during colder months and draughts around older window frames are greatly reduced. As the home retains heat more effectively, heating systems do not need to work as hard to maintain a comfortable temperature, which can contribute to lower energy consumption over time.
High performance casement windows also help improve the overall energy performance of the property. Modern glazing allows natural light to enter the home while limiting unnecessary heat loss, creating brighter living spaces without compromising comfort. When replacing older windows, homeowners often find that the improvement in insulation and overall performance helps create a quieter, warmer and more comfortable living environment throughout the year.Modern casement windows are designed with insulated multi-chamber frames and high-performance double glazing that helps retain heat within the home.
How long do casement windows last?
Well manufactured and professionally installed casement windows are designed to provide reliable performance for many years. The lifespan of the window depends largely on the material used and the quality of the manufacturing and installation.
Modern uPVC and aluminium casement windows are particularly durable and require very little maintenance, making them a practical choice for many homeowners. Their resistance to weathering and corrosion allows them to perform well in the British climate while maintaining their appearance over time.
Timber casement windows also offer impressive longevity when properly manufactured and cared for but they never retain the look of new windows as uPVC and aluminium do.
High quality timber frames bring natural character to a property and can last for decades when maintained with periodic treatment or repainting. Many homeowners choose timber when preserving the traditional appearance of older homes or period properties where the natural texture of wood is an important design feature.
Regardless of the material chosen, the quality of installation plays a significant role in the long term performance of casement windows. Accurate manufacturing, careful fitting and good sealing ensure the window operates smoothly, provides effective insulation and continues to perform as expected for many years. Choosing an experienced manufacturer and installer helps ensure the investment in new windows delivers lasting value for the home.
Is finance available for casement windows?
Yes. Prior Products offers flexible finance options including 0% interest finance to help make premium quality sash windows more accessible. This allows you to spread the cost of your new uPVC sash windows over manageable monthly payments rather than paying the full amount upfront.
Finance can be a convenient way to invest in improving your home’s energy efficiency, comfort and appearance while keeping control of your budget. Our team will be happy to explain the available options and help you find a payment plan that suits your circumstances.
If you would like to learn more, you can discuss finance during your home survey or when visiting our showroom.
Do flush casement windows need much maintenance?
Unlike traditional timber windows requiring regular sanding, painting, and sealing, upvc flush casement windows need remarkably little attention. Simply wipe frames with soapy water occasionally and lubricate hinges and locks annually.
The smooth flush surface prevents dirt accumulation, while weather-resistant colour finishes never need repainting. Hardware mechanisms should be checked periodically to ensure smooth operation.
This minimal upkeep requirement makes them ideal for homeowners wanting beautiful windows without demanding maintenance schedules, saving both time and money over the windows’ extensive lifespan.
Can I change sash windows for casement windows?
Yes, sash windows can usually be replaced with casement windows, although there are a few things to consider before making that change.
From a practical point of view, casement windows are often chosen because they provide excellent energy efficiency, strong security and simple everyday operation. The outward opening design allows good ventilation and modern frames provide very effective insulation compared with many older sash windows. For homeowners who want a lower maintenance window with strong thermal performance, casement windows are often a sensible option.
The main consideration is the style of the property. Sash windows are closely associated with Georgian, Victorian and Edwardian architecture, so replacing them with casement windows can change the overall appearance of the building. In some areas there may also be planning considerations, particularly in conservation areas or listed buildings, where maintaining the original window style may be required.
In many cases homeowners choose modern sash windows as a replacement because they retain the traditional appearance while offering modern insulation and security.
However, where planning restrictions do not apply, casement windows can be installed and may provide a practical and cost effective alternative depending on the design of the property and the preferences of the homeowner.
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What Makes Our Casement Windows Different
The main difference between our flush casement windows and inferior alternatives lies in precision manufacturing and uncompromising quality standards. Standards are tightly controlled by the manufacture of our own quality windows in our Stratford-upon-Avon state-of-the-art factory.
Superior casement window materials ensure outstanding weatherproofing and dimensional stability regardless of temperature fluctuations. The window frame engineering prevents sagging and maintains smooth operation for decades. Unlike basic alternatives with shorter lifespans, our windows deliver reliable performance through proper glazing packers, quality seals, and robust construction that satisfies customers throughout their entire ownership experience.
uPVC, Timber or Aluminium Casement Windows?
Casement windows can be manufactured in several materials, each offering its own balance of appearance, durability and long term performance. The right choice often depends on the style of the property, the level of maintenance you prefer and the overall design you want to achieve. Modern manufacturing has improved the performance of all three materials, meaning homeowners can now choose between uPVC, timber and aluminium while still benefiting from strong insulation, reliable security and long lasting construction.
uPVC casement windows are the most widely chosen option for many homes. They provide excellent thermal efficiency and require very little maintenance, making them a practical and cost effective solution. Frames can be manufactured in a wide range of colours and finishes and can be designed to suit both traditional and contemporary homes. For many homeowners, uPVC provides the best balance of energy efficiency, durability and flexibility in window design.
Timber casement windows remain a popular choice for period properties and homes where preserving a traditional appearance is important. The natural texture and warmth of timber complements older architecture and can add character to cottages, farmhouses and townhouses. Modern timber windows offer far better insulation and durability than older designs, although they do require periodic maintenance to keep the frames protected and looking their best.
Aluminium casement windows are often chosen for their slim frames and contemporary appearance. The strength of aluminium allows larger glass areas, which can bring more natural light into the home and create a cleaner architectural look. Aluminium is also highly durable and resistant to weathering, providing a long lasting solution with minimal maintenance. This makes it a popular option for modern homes, extensions and properties where a more architectural window style is desired.
Casement Windows Gallery
