up to 50% OFF WINDOWS *

Casement Windows

Casement windows are secure, energy-efficient and attractive, so it's no surprise that they're our best-selling style. Available in uPVC, wood or aluminium, we'll design them especially for you in the colour and configuration of your choice. With top or side hinges, you can pick your glazing and finishing touches for a tailored look and high performance.

We make each window individually using your choice of frame and glass. See how easy it is to transform your home and get a quote.

  • Allows maximum light into your rooms
  • Energy efficient – can help reduce your heating bills
  • Secure – shoot-bolt locks, key locking handles and toughened glass
  • Effective noise reduction – cutting down sounds from outside
  • Added heat retention – opt for A+ rated windows or triple glazing

Our uPVC casement windows allow maximum light into your rooms and their energy-efficiency can help cut your heating bills. They look great, help to keep you safe and can be designed to be unique to you.

We make it easy for you to achieve the cost and energy savings you’re looking for. One of our Anglian designers will visit you at home to give you expert advice tailored to your specific circumstances.

They’ll show you the benefits of opting for our A+ rated double glazed windows or triple glazing, guide you through the choice of frame configurations that will make your windows perfect for each room, and show you our range of hinges, openings, handles, decorative bars and glass.

Once you’ve decided what you want, they can give you an accurate quote. Our craftsmen will then make your uPVC windows to your exact specifications, ensuring that they fit perfectly.

up to 50% off windows up to 50% off windows
  • 10 year guarantee
  • Established in 1966
  • Made in Britain

Why Choose Anglian?

You'll want to be certain that you've chosen the right company to replace your windows, so discover the Benefits of Anglian Glazed Windows and rest assured that you've made the best decision. We guide you through every stage of the process, even making payment easy. As you can see below, we confidently guarantee the quality of our work.


We use only the best materials and finest craftsmanship throughout our 50 years in the business to bring you top quality products that will last for years.

  • Premium materials
  • Individually designed and built
  • BBA certified products
  • Made in Britain
Read about our accreditations


We use the finest materials and craftsmanship, so we're confident that you won't need to call on our guarantees:

  • 10-year guarantee on uPVC, wood and aluminium
  • 5-year guarantee on stained wooden windows
  • 15-year guarantee on our Ultra gas filled units
  • Quality Assurance at every stage of production
Our guarantees

Our Accreditations

Feefo accreditation
Awarded Feefo Trusted Merchant for customer satisfaction in 2015 & 2016
British Board of Agrement windows accreditation
The British Board of Agrement provides certification on the quality of our products.
Energy Saving Trust logo
Windows with a WER rating of A or above can be registered with the Energy Saving Trust.
Trustmark logo
TrustMark is a government endorsed not-for-profit organisation that operates a quality mark framework through more than 30 scheme operators who work in the repair, maintenance and improvement sector.
Glass and Glazing Federation logo
Anglian is a leading member of the Glass and Glazing Federation (GGF).
Made in Britain logo
Certifies products made from start to finish in a British factory by British craftspeople.
The Glazing Arbitration Scheme Logo
Independent service that deals with disputes between registered businesses and consumers.

Customer Reviews

Windows FAQs

Find out more about double and triple glazing in our useful Window FAQs Section or read our articles below.

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Anglian FAQs

Got questions about choosing Anglian? Find out why Anglian is the right choice for your replacement windows.

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Home Inspiration From Anglian

You'll want to pick your new casement windows wisely, so our "Good to be Home" online magazine will not only help to inform your choices but it's bursting with tips and information to help you transform your home. With great interior design tips, the background on Laura Ashley's stunning glass designs and the science behind our energy-efficient windows, you'll find what you're looking for.