Your window to a different world

Are you thinking of installing new windows that reduces heat loss and energy bills in your property? Polycastle Ltd in Lowestoft can help. With over 25 years of experience in the field, we cover all bases. Our highly trained installers will set up your bespoke windows efficiently and will leave no mess behind. We also offer an array of double-glazed, uPVC windows in a wide range of colours and styles. Our trained and experienced installers will be able to advise you regarding the best models based on your requirements.

We offer

  • uPVC window installations
  • uPVC window repairs
  • uPVC window upgrades
  • Replacement fittings
  • Lock services
  • Improved energy efficiency
  • Increased home security
  • Competitive prices for all uPVC windows

Polycastle Ltd in Lowestoft also specialise in door installation and upgrades.

Be energy efficient and stay warm indoors with our bespoke windows in Lowestoft.

Call 01502 501 036

"We are very pleased that we chose Polycastle to do this work and we will not hesitate to recommend you to our friends or anyone who asks us about it" - Mr H in Lowestoft

"We would like to say how pleased we are with the windows and door. My husband said that the men who installed them were very polite, efficient, clean and hard working. We shall certainly be recommending Polycastle to other people" - Mrs M in Beccles

"I would like you to know that we were very pleased with the standard of work carried out by all of your employees. In addition to the high quality of their work, they were also courteous, reliable in keeping us informed on work in progress, and offered advice at various stages of the installation" - Mr and Mrs D in Lowestoft


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Polycastle Ltd
12 Cooke Road
NR33 7NA

Opening Hours:

Mon-Fri: 9:00AM - 5:00PM
Sat: 10:00AM - 4:00PM

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Polycastle Ltd, registered as a limited company in [England and Wales] under company number: 02592957. Registered Company Address: POLYCASTLE LIMITED, EXCELSIOR HOUSE 9 QUAY VIEW, BUSINESS PARK, BARNARDS WAY, LOWESTOFT, SUFFOLK, NR32 2HD

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Note: Stock photos used for illustration purposes only