Discover more about how we take the industry’s best materials and with attention to detail and innovative manufacture, make them better. Find out more information about Genesis Collection's stunning windows and doors.

Sternfenster Windows supplies industry-leading uPVC and aluminium window and door products to homeowners and traders. We are the UK’s largest trade fabricators of uPVC and aluminium doors and windows having more than 45 years of proven experience. We promise high-quality products and services to all our trade and retail customers at the best prices. We are totally committed to delivering the best possible service.

We have been manufacturing and installing quality Steel, Alu-clad, Aluminium, Timber, Timber Alternative and UPVC windows, doors and roof lights as well as designing and installing all glass structural glazing throughout the North West since 1984.

Trade Glaze are Window Manufacturing specialists who for many years have been successfully supplying a wide range of windows, doors, and conservatories to thousands of satisfied customers.