Project template
Your preparation checklist
Use it as a working list. The final submission still needs to match your actual scope and the City’s current requirements.
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What to do next
- Separate cosmetic work from regulated construction
- Identify new rooms, walls, openings and services
- Prepare the required drawings
- Submit the permit before regulated work starts
Official sources behind this page
Finishing basementPermit required
Hamilton includes finishing or partially finishing a basement or other unfinished space in its permit-required interior work.
City of HamiltonBuilding Permit Application Requirements · Residential permit-required projects and exemptions
2026-10-01Open proof
New rooms / wallsPermit required
The City lists relocating rooms, creating new rooms, and adding or removing walls among permit-required work.
City of HamiltonBuilding Permit Application Requirements · Residential permit-required projects and exemptions
2026-10-01Open proof
WalkoutPermit required
Hamilton specifically lists walkout basements among permit-required interior projects.
City of HamiltonBuilding Permit Application Requirements · Residential permit-required projects and exemptions
2026-10-01Open proof
Need the full project answer?
The main guide keeps the permit trigger, zoning questions, documents, fees, timing and next steps together.
Open the basement renovation guide