Choose your sector


Our accredited network of installers offers the highest quality uPVC and aluminium products with excellent customer service.

Trade Customer

Access our latest technical information, product content, video archives, media centre, Sternfenster Plus and much more.

  • Megan James
    Alpha windows installed windows and doors in our property several years ago. We recently noticed the double lock had stopped working and they came round quickly to adjust the hinges for us free of charge. Really great company and would recommend.
  • Liz Martinus
    Alpha Windows replaced all the windows and doors throughout our home, including our conservatory. The standard of service was first class . The installation team were prompt, professional and completed the task as per quote. After sales service has been excellent, dealing with any queries and questions efficiently. Would highly recommend Alison,...
  • Harrison Drake
    An all round great service and friendly staff. I've used Alpha twice now and both times they have fitted my windows to the highest standards. Any issues during or after installation were dealt with in a timely manner (sometimes on the same same day) and nothing ever felt too much to ask, as long you make good tea :) I would highly recommend Alpha...