10-year guarantee
Made in Britain
55+ years in business
We'll match uPVC window prices
What are Casement Windows?
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.
Side Hung
Side hung casement windows have one panel or two panels. Panels are hinged at the side, opening outwards.
Top Hung
Top hung casement panels open out, hinged from the top. The moving panel often makes up the top half or top third of the window.
Flying Mullion
Flying mullion casement windows have two panels, hinged at the side. They open out with no central pillar, giving you unobstructed views.
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White wooden casement window exterior in open position -
White uPVC casement window interior 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
What are Casement Windows?
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White uPVC casement window interior in open position -
Dark woodgrain wooden casement windows and matching front door -
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 casement uPVC windows on sage green cladding whole house -
Black Aluminium Casement window and back door
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.
Casement windows can be customised into almost any configuration, with panels to suit the shape and size of your windows and the functionality you desire. This could be a single panel hung at the side, or multiple glazed panels with a central opening. Casement windows can also be hinged at the top so that they open at the bottom, ideal for ventilation even when it’s raining.
Casement Window Materials
With options for different materials and colours along with their excellent energy efficiency, casement windows can be an ideal choice for any type of property.
Casement Window Styles
Casement windows are an affordable and practical way to upgrade your windows. Improve the energy efficiency of your period Victorian windows or replace tired windows in your Bay.
Victorian Casement Windows
Upgrade your Victorian windows with modern energy-efficient casement windows. Replicate Victorian sash windows with a central glazing bar, mock sash horns and even coloured glass.
View Victorian Windows
Bay Casement Windows
Casement windows are a great way to update your bay windows. Lock-in more heat in a traditionally cold space with triple glazing or restore original toplight decorative glass.
View Bay Windows
Cottage Casement Windows
Cottage casement windows replicate the traditional style found on British country cottages for centuries. Outer bars make it look like you have multiple panes on wooden or uPVC casements
View Cottage WindowsReasons 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.
Compare Casement Window Energy Ratings
Take a look at how our different casement windows compare when it comes to energy ratings. The higher the rating, the better, so A+ is the best.
Working with the Best Industry Bodies to Install the Best Casement Windows
At Anglian, we work with only the most trusted bodies and accreditors when installing our casement windows, This is especially important when replacing windows in a conservation area. We’re here to help you create the perfect casement windows for any property, guiding you through local planning rules and design choices.
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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 is the most influential Trade Federation in the industry, recognised by government for their in-house technical expertise, which helps influence key legislation within our sector.
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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.
Choose Anglian for a National Company Local to you
10-year Guarantee
A 10-year parts and labour guarantee is included in your Anglian double glazing price.
Made in Britain
Our products are made from start to finish in a British factory by skilled craftspeople.
Price Match
If you find cheaper like for like uPVC windows elsewhere, we'll match the price.
Customer Reviews
Casement Window Details
Customise your casement windows down to the very last detail. We take you through all the options, like frame colours, handles, locks and glazing options.
Casement Window Colours
Match your new casement windows to your home with our range of colour options, Our uPVC casement windows are available in single or dual colours, including woodgrain finishes. Our wooden or aluminium casement windows come with a choice of over 200 RAL shades.
Casement Window Furniture
Choose the perfect finishing touch for your casement windows from our range of handles and locks. Opt for classic white handles to match your frame, or create a contrast with a stylish black handle. Alternatively, add chrome or gold handles for a touch of luxury.
Casement Window Glass
Improve privacy in overlooked rooms, revive stained glass features or create something unique with our range of glass options. Add obscure glass to your bathroom or porch, or make a stunning statement with one of our fusion or etched glass designs.
Need Some Help?
Book a remote quote with our team on Livechat now, online Monday–Sunday 9am–5pm.
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Decide if Casement Windows are Right For Your Home
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Do new Windows Add Value to your Home?
Learn why it's worth considering new double or triple-glazed window to attract homebuyers.
Find out more
Made to Measure Windows
Discover how we help you create bespoke windows that are just right for your space, and your home.
Find out more
Choosing the right Window Material & Colour
Read our guide on how to choose between uPVC, wood or aluminium for your new windows.
Find out more
Window Energy Efficiency
Find out the difference between an A++ and an E rated window and why we install A-rated as standard.
Find out moreYour Questions on Casement Windows 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.
A double casement window features two panels of glazing that open outwards from a central pillar (known as a mullion). This provides a large area of glass for lots of natural light, and easy operation when you want more ventilation and fresh air.
A fixed casement window is a panel of glass that doesn’t open. This could be a central panel with two openable windows on either side, or as part of another configuration of casement windows.
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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. -
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. -
Anglian is a leading member of the Glass and Glazing Federation (GGF). -
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 -
TrustMark is a government endorsed not-for-profit organisation that operates through more than 30 scheme operators.