Experience the Douglas difference

Douglas Window & Door Inc. is a London, Ontario window and door company focused on friendly service, quality products and expert installation.

The team helps homeowners choose and install windows and doors for comfort, curb appeal and long-term performance, from the first consultation through post-service follow-up.

• Windows: awning, casement, single hung, double hung, sliders, bay, bow, fixed sash, panoramic and custom windows.
• Doors: entrance doors, patio doors and terrace doors.
• Other needs: egress windows, wall modifications, storm windows or doors, glass-only work, soffit/fascia and siding.
• Peace of mind: Window Wise certified and backed by a Limited Lifetime Warranty on qualifying Douglas-installed windows and doors.

Serving the Greater London Area, Oxford County, Kitchener-Waterloo and Chatham.