Custom Window Designs

For over 34 years we've been manufacturing and installing high quality vinyl replacement windows, steel doors, fiberglass doors, sliding doors and upgrading homes in Mississauga, Oakville, Burlington, Hamilton and over the GTA and beyond. You can count on our experience to do things right, and on our workmanship to make it look exactly how you envisioned - all at a price that is wallet-friendly.

Custom Window Designs is a member of CWDMA, a standard recognized as one of the best in the industry. What this means is that you can have confidence in dealing with a renovator whose excellence is recognized nationwide, backed by a written 10-year workmanship guarantee and an exclusive 25-year manufacturer warranty. You can also rest assured that will be around to honour them. Count on high value in the the service, workmanship and products involved.

We also use NO SUB-CONTRACTORS. What does this mean to you? This means that all of our employees work for us, not some 3rd party we have no control over. This allows us to guarantee the quality and expediency of the job, which means savings in both time and money for you.