Uxbridge, Ontario
Start with the actual project. See the published rule, the documents that may be needed, the next steps and the municipal source behind the answer.
Find your starting point
Choose a project to see the rule, the checklist and the source.
3 guides to explore
Open the Uxbridge deck guide for permit conditions, documents and official sources.
Read rules and sources 02Open the Uxbridge shed / accessory structure guide for permit conditions, documents and official sources.
Read rules and sources 03Open the Uxbridge basement apartment / secondary suite guide for permit conditions, documents and official sources.
Read rules and sourcesDecisions to check first
Different projects use different municipal requirements. These examples come from the published Uxbridge guides, with the original source and review date beside each answer. Check your specific property before ordering materials or beginning work.
A detached storage-only shed under 15 m² with no plumbing can be permit-exempt. Larger sheds require a permit.
Small storage shed: Under 15 m² may be permit-exempt. Uxbridge exempts detached structures under 15 m² when used for accessory storage only and without plumbing.
Uxbridge requires a permit for attached raised decks, roofed decks and decks higher than 24 inches. Full deck replacement also requires review.
Attached / raised deck: Permit required when the published trigger applies. Uxbridge lists raised porches or attached decks among permit-required work and identifies height above 24 inches as a trigger.
Yes. Uxbridge requires a building permit for a secondary suite and requires the two-unit house to be registered.
Property eligibility: Confirm zoning first. Uxbridge directs owners to Development Services to confirm whether a second unit can be added to the property.
A permit exemption does not automatically remove zoning, setback or other property requirements. The municipal authority decides whether your actual proposal can proceed.
Verify before you build
These questions are taken from published Uxbridge project guides. The sources below support the individual project rules, not an approval for every address. Always check the actual property before starting work.
Deck
Uxbridge requires a permit for attached raised decks, roofed decks and decks higher than 24 inches. Full deck replacement also requires review.
See the project requirementsShed / accessory structure
A detached storage-only shed under 15 m² with no plumbing can be permit-exempt. Larger sheds require a permit.
See the project requirementsBasement apartment / secondary suite
Yes. Uxbridge requires a building permit for a secondary suite and requires the two-unit house to be registered.
See the project requirementsTownship of Uxbridge · Permit triggers for decks, sheds, additions, renovations and secondary suites
Last reviewed 2026-10-02Township of Uxbridge · Secondary-suite zoning, building permit and registration
Last reviewed 2026-10-02Official requirements can change. A published guide does not replace a decision from the municipality for a specific site.
What is already researched
These are not placeholder pages. Each project below exposes the decision, the evidence and what you still need to confirm.
Uxbridge Deck permit guide
Open the project guide for Uxbridge permit conditions, zoning checks and application documents.
Uxbridge Shed permit guide
Open the project guide for Uxbridge permit conditions, zoning checks and application documents.
Uxbridge Basement apartment / secondary suite permit guide
Open the project guide for Uxbridge permit conditions, zoning checks and application documents.