On Star Windows & Doors is a name people trust in London, Ontario for best replacement windows and doors. We focus on offering the finest workmanship, a superior overall customer experience, and most advanced technology in the windows and doors industry at an affordable price.
The residents of London, Ontario, are not just our customers. In fact, we believe in treating all our valued clients like our family and aims at surpassing their expectations. Together, our informed sales staff, experienced craftsmen and qualified service technicians, offers exceptional customer service before, during and after every sale. We understand that every project is unique. With this view, we strive to provide you with the finest quality and value into every window, regardless of what style you choose.