The starting point
A basement project needs a scope-specific permit check. Cosmetic finishes, wall or structural alterations, new plumbing and creation of a secondary suite are different cases. State whether the space stays within the existing dwelling or becomes a separate dwelling.
Separate finishing from creating a suite#
For finishing within the same dwelling, describe every wall, service and opening change. For a separate dwelling, use the secondary-suite pathway and confirm eligibility before choosing a layout. Do not use the finishing label to omit a proposed kitchen or separate dwelling.
An existing finished basement can still contain unapproved work. Ask about permit records and what evidence the City needs for existing conditions before covering walls or ceilings.
Example: the renovation grows after quoting#
Illustrative scenario: an owner initially proposes flooring and paint, then adds a bathroom and removes a wall. The revised scope needs another permit and design check; advice about the initial cosmetic work no longer answers the complete proposal.
Organize existing and proposed floor plans, intended room uses, openings, ceiling heights and service changes. Let the City and qualified designer identify the required details rather than declaring the basement compliant from photographs.
Before you apply
- Identify one dwelling versus a new separate dwelling.
- List walls, services, openings and structural changes.
- Check existing permit records and unapproved work.
- Select the municipal alteration or suite checklist.