UPVC Ceasment Windows

Designed and manufactured in the UK by our skilled team of craftsmen to our customers’ exact specifications, it’s no wonder that these casement windows are our most popular product. Along with premium-quality, energy-efficient materials and our exclusive uPVC formula, we offer a 10-year guarantee on both our frames and our sealed units, giving you peace of mind for years to come.


All of our uPVC casement windows are configured to your individual requirements including your choice of frame and glass.


Our uPVC casement windows fill your room with light, while their thermal performance – with the option to include triple glazing or A+ rated windows – means you will spend less on heating your home. These high-quality windows are effective at cutting out exterior noise, while toughened glass, key-locking handles and shoot-bolt locks add to your safety and comfort.

Imperial Doors uPVC casement windows will fill your home with natural light, while their thermal performance will help reduce your energy bills. Fusing style with security features, they can be manufactured to your individual requirements.

To help you realise the energy savings that you want, a member of our design team will come to your home and provide expert advice for your unique circumstances and requirements. Using product samples, our designer will demonstrate the advantages of our A-rated double and triple-glazed windows, and advise you on the configurations that will best suit each of your rooms, before showing you our extensive range of handles, hinges, openings, decorative bars and glass.

Once you have finalised your design, our designer will give you a clear and accurate quote. When you are ready to proceed, our expert craftsmen will build your uPVC windows to your precise specifications, to ensure a perfect fit and appearance.