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Modern, stylish and energy-efficient uPVC windows
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  • uPVC Casement Window
  • uPVC Sliding Sash Window
  • Infinity Flush Window
  • Infinity Casement
  • uPVC Windows: Secure for peace of mind

    Enhance your home with our uPVC windows that offer both security and style. At Keswick Superglaze, we provide top-quality uPVC windows known for their excellent energy ratings, easy maintenance, and secure features. From casement to tilt and turn styles, our double-glazed uPVC windows are the perfect all-rounder. Upgrade your home with Keswick Superglaze today.

  • Looking for Casements

    Our Casement window is our most popular window available in two styles – an ornate finish to match traditional timber windows, or a straight bevel for a more modern ‘clean line’ look.

    This range can be upgraded to our infinity range which would enhance the look of any window but particularly the colours and wood grains.

  • An alternative to traditional timber windows

    Our Residence 9 collection is specifically designed to be an alternative to traditional timber windows. The profile is 100mm deep and so would also fit a proper triple-glazed glass unit which achieves the best thermal ratings. 

    All windows in this range are flush externally with a deep ornate detail internally. The outer frames are always mechanically jointed with the sashes having the option of mechanical joints or upgraded to our infinity finish.

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Upvc Windows in a Range of Styles to Suit Your Needs

Explore the perfect uPVC windows that provide security, low maintenance, and exceptional energy ratings. Keswick Superglaze's diverse range includes the stylish Infinity Flush design, reminiscent of the Residence 9 range externally, with a more slender ornate detail internally. Choose Keswick Superglaze for a secure, efficient, and stylish home upgrade. We have something to suit all homes and tastes.


Discover our Frequently Asked Questions all about uPVC windows. If there's something you'd like to know that isn't covered, feel free to reach out, and we'll gladly provide the information you need.

Upgrade Your Home with Keswick Superglaze's uPVC Windows

We take pride in offering the perfect blend of quality and affordability. Our uPVC windows are the epitome of security, easy maintenance, and outstanding energy ratings, providing a comprehensive solution for your home. Whether you're in search of a stylish casement, flush, sash, or tilt and turn design, or you're intrigued by the sleek Infinity Casement, we offer a wide range of styles to suit your preferences. What truly sets us apart is our commitment to providing both top of the range and budget-friendly uPVC options, making it easier for you to enhance your home with cost-effective, high-quality windows. With Keswick Superglaze as your trusted partner for all your uPVC window needs, you can enjoy both peace of mind and a stylish home.