Sternfenster Window Systems is one of the largest trade fabricators in the UK of uPVC and Aluminium windows and doors. Established in 1974, we have always been a family run business and continually strive to deliver market leading, high quality products to the trade and retail sector.
With over 45 years of manufacturing experience, we are proud to offer a comprehensive portfolio in the UK, including a range of unique windows and doors which are exclusive to Sternfenster customers.
Selling Sternfenster is more than just becoming an installer.
We have an amazing range of exclusive benefits on offer to ensure you are delivering the best possible services to your customers and clients. From leading marketing and training materials to exceptional aftercare services and warranties, it is no wonder installers throughout the UK continue to invest their trust in Sternfenster.
As a family run business, we have always put our people at the centre of everything we do. Our installers and trade network are the heart and soul of Sternfenster, and without them, we would not be where we are today.
The Approved Installer Network now boasts more members than ever and this success means Sternfenster have helped an even greater number of installers deliver quality products and efficient service to their customers. It’s all part our commitment to helping you help homeowners.
We offer a range of high quality windows to our trade customers, meaning you can offer your customers the very best. We have uPVC and aluminium windows in a variety of different styles, as well as our stunning Residence Collection windows.
We also have fantastic uPVC, aluminium and composite doors. We work closely with Deceuninck and Smart Aluminium to bring you our market leading range. By working with industry leaders, you can offer homeowners products that will set you apart from your competition.