uPVC casement windows

Our uPVC casement windows complement any property with their stylish design, thermal efficiency and sturdy build.

Installation & Replacement in Yorkshire

Why choose Calder Windows?

Whether you want a new window or a casement window replacement, we've got the experience and know-how to get the job done with a minimum of fuss.

Experience

With 30+ years in the trade, we know our products like the backs of our hands.

Quality

Expect high-quality building materials and a seamless, fuss-free installation.

Care

As a family-run business, we promise friendly service and a 10-year warranty as standard.*

High-quality uPVC casement windows

Casement windows are popular for a reason. They're attractive, easy to operate and can be personalised with a range of colours and finishes.

Simply gorgeous

Our uPVC casement windows are a sight for sore eyes, whatever the style and age of your property.

Built to last

You can count on us for high-quality materials that are built to last. All our casement windows come with a 10-year warranty.*

Energy efficient

Looking for thermal efficiency as well as style? Our casement windows are designed to retain heat – good for your bank balance and the planet.

Safe as houses

We know that security is a priority. All our windows come with toughened glass and multi-point locking for your peace of mind.

Customise your windows

Add a personal touch with our range of colours and glass designs

Personalise your casement windows

Get personal with a range of colour and glass choices


Make your casement window your own with a host of tasteful frame colours and glass options.


Our Pilkington range of obscured glass gives you more privacy with no less style.

Get a FREE quote

Do you need a uPVC casement window fitted, replaced or repaired in Wakefield or West Yorkshire? Hit the button to request a speedy quote – or apply for finance and spread the cost.

Request a quote

Frequently asked questions

  • Can casement windows be repaired?

    Yes – if you're looking for casement window repair in West Yorkshire, get in touch. We offer casement replacement windows as well as repairs.

  • Are casement windows double-glazed?

    Our range of uPVC casement windows can be double- or triple-glazed for your comfort and security.

  • Are casement windows safe?

    All our casement windows come fitted with multi-point locking.

  • Are casement windows energy efficient?

    Yes – our windows are built to keep the heat in.

  • Do casement windows open in or out?

    Both! Casement windows can open in or out depending on their design.

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