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What are Casement Windows?
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White wooden casement window exterior in open position -
White uPVC casement window interior in open position -
White wooden casement window close up in open position -
White uPVC casement window with white back door exterior -
White uPVC casement window interior in kitchen setting -
White aluminium casement window interior in open position -
White uPVC casement window exterior in open position -
White aluminium casement window interior
Casement windows are single or double-panelled windows, hinged from the side, top or bottom. Operated with a handle, panels open outward and close proud of their frame. They are our most popular window for their ease of use and availability in different styles.
Explore our Casement Window Materials
Reasons to Choose Casement Windows
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Save Money on your Heating Bills
Casement windows are the most energy efficient window by design. Rated up to A+, they retain the heat better to keep you cosy on a winter’s day.
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Almost Endless Customisation
Customise your casement windows to create a unique look you can be proud of. Choose from three materials, and a huge range of styles, finishes and colours.
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Easy to Operate
Single-lever latches make it easy to open and close casement windows smoothly. Open your casement windows with a glide by lifting the handle and pushing the window outwards.
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Secure Multi-point Locking
Casement windows lock at multiple points along the frame for optimal security. Secure shoot-bolt locks, key locking handles and toughened glass keep you safe and secure.
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Excellent Ventilation
Trickle vents allow fresh air to enter your home, and they reduce condensation and damp. In line with building regulations, they are standard on all our windows.
Working with the Best Industry Bodies to Install the Best Casement Windows
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BBA Certificate for uPVC windows
The British Board of Agreement provides independent accreditations for the construction industry. BBA-certified products are synonymous with quality. This accreditation covers our White Knight uPVC casement and tilt and turn windows.
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BFRC
The British Fenestration Rating Council (BFRC) verifies the energy performance of windows and doors in the UK. Installing BFRC rated energy-efficient windows will help save money on your energy bills.
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BSI Kitemark
The BSI Kitemark™ is one of the most recognised symbols of high quality products and safety standards. Anglian has 10 Kitemark accreditations, with six for windows alone.
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BSEN12608:2003
British Standard BSEN12608:2003 Licence No KM 12876 - For colour fastness, impact resistance and corner strength uPVC frames.
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FENSA
The Fenestration Self-Assessment Scheme (FENSA) ensures replacement window and door installations comply with building regulations for England and Wales. You receive a FENSA certificate to keep as proof of compliance.
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GGF
Anglian is a leading member of the Glass and Glazing Federation (GGF). The GGF monitors the performance of member companies, ensuring the standard of products and their installation remains consistently high.
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Made in Britain
The ‘Made in Britain’ marque on all our products means they are made from start to finish in a British factory by British craftspeople.
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Recovinyl Plus
Recovinyl is an initiative advancing the sustainable development of the European PVC industry by improving production processes, minimise emissions, develop recycling technology and boost the collection and recycling of waste.
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TrustMark
TrustMark is a not-for-profit organisation operating a quality mark framework in the repair, maintenance and improvement sector. Registration with Trustmark demonstrates commitment to customer service, high standards and continual improvement.
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Casement Windows Gallery
Choose Anglian for a National Company Local to you
Decide if Casement Windows are Right for your Home
Do new Windows Add Value to your Home?
Learn why it's worth considering new double or triple-glazed window to attract homebuyers.
Made to Measure Windows
Discover how we help you create bespoke windows that are just right for your space, and your home.
Choosing the right Window Material & Colour
Read our guide on how to choose between uPVC, wood or aluminium for your new windows.
Window Energy Efficiency
Find out the difference between an A++ and an E rated window and why we install A-rated as standard.
See what New Windows look like on your Home
Design your doors and windows online
Your Questions Answered by us
Casement windows are one of the most popular types of windows for residential properties due to their security features. They are fitted with multi-point locking systems that engage with several points around the window frame, making it difficult for an intruder to force the window open. Many casement windows are reinforced with steel or aluminium for added strength and durability. Choosing an experienced window installation company that meets all relevant safety and security standards should be an important part of your decision-making process.
Casement windows open outwards on hinges that open from the top or sides and are operated with a handle. When opened, casement windows can provide good ventilation and allow for easy cleaning of the exterior of the window from inside the home. If you’re having trouble opening your windows, we can help you diagnose the issue and whether you might need to replace them.
With proper care and maintenance, a well-made casement window made from materials such as uPVC or aluminium can last up to 20 years or more. Anglian White Knight uPVC casement windows hold the BBA accreditation, which means they can last more than 35 years with regular care.
The cost of casement windows varies depending on whether you choose uPVC, wood or aluminium. White uPVC usually has the best price, followed by aluminium and then wood. Replacing your windows with Anglian A-rated double-glazed casement windows could save you up to £184.25 a year* when you upgrade from pre-2002 double-glazed uPVC windows.
*Based on GGF data for a typical detached house with gas central heating upgrading from double-glazed uPVC windows with a 12-14mm spacer bar, to Anglian A-rated double-glazed uPVC casement windows.The key difference between casement and sash windows is the way they open. While casement windows open outward on a vertical hinge, sash windows slide on tracks within the frame. This can make them a better choice in rooms where outward-opening windows are not practical, such as in rooms with limited space or where the window would encroach on a walkway or outdoor space.
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Our Accreditations and Licenses
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The British Board of Agrement provides certification on the quality of our products.
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The British Fenestration Ratings Council is the UK’s national system for rating energy efficient windows.
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The Fenestration Self-Assessment Scheme ensures window installers comply with buildings regulations in England & Wales.
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Anglian is a leading member of the Glass and Glazing Federation (GGF).
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Certifies products made from start to finish in a British factory by British craftspeople. -
PVC Industry initiative to improve manufacturing, minimise emissions and develop recycling practices
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TrustMark is a government endorsed not-for-profit organisation that operates through more than 30 scheme operators.