Do I need a permit to replace my windows in Ottawa?

Yes, you typically need a building permit to replace windows in Ottawa, especially if you're changing the size, location, or type of window opening.

The City of Ottawa requires building permits for most window replacement projects under the Ontario Building Code. Here's what you need to know:

When You Need a Permit:

• Changing window size (making openings larger or smaller)


• Moving window locations


• Installing new windows where none existed


• Replacing windows in load-bearing walls


• Adding or removing windows in basement areas for egress requirements


• Installing bay or bow windows that project from the building

When You Might Not Need a Permit:

• Direct replacement of existing windows with the same size and type (like-for-like replacement)


• However, even "simple" replacements often trigger permit requirements if structural modifications are needed

Ottawa Permit Process:
Contact City of Ottawa Building Code Services at 613-580-2424 to confirm your specific situation. You can also check ottawa.ca/building for detailed requirements. The permit application typically takes 10-15 business days for straightforward window projects, with fees ranging from $200-500 depending on the scope.

What to Watch For:
Many homeowners assume window replacement is permit-free, but Ottawa inspectors are strict about structural changes. Your contractor should know these requirements - if they say "no permit needed" without seeing your specific situation, that's a red flag.

Contractor Requirements:
Ensure your contractor pulls the proper permits. In Ontario, only the property owner or a licensed contractor can obtain building permits. Verify your contractor's WSIB coverage and insurance before work begins.

ESA Requirements:
If electrical work is involved (new outlets, moving switches), your contractor must also obtain an ESA electrical permit. This requires a Licensed Electrical Contractor (LEC) - verify at esasafe.com/contractor-locator.

The safest approach is calling City of Ottawa Building Code Services with your specific project details. They'll tell you exactly what permits you need, saving you potential headaches with inspections later.