Guelph bathroom permit: when you need one and what to submit
The short answer
Adding or moving plumbing fixtures needs a permit. City fee: $30 per fixture.
Last verified 2026-10-07 · City of Guelph: Residential building permits, City of Guelph: Residential interior renovations, City of Guelph Building By-law, fees from July 1, 2026 (PDF)- City fee
- $30 per fixture
- Where to apply
- Guelph Permit and Application System (GPAS)
- Review time
- About 10 business days for most house permits, counted from when you pay the fee.
Homeowners can do their own plumbing in a house they live in.
What an application usually includes
Guelph’s checklist has the exact list; apply through Guelph Permit and Application System (GPAS).
- A plumbing layout: fixtures, drains, vents and the tie-in to the stack
- The fixture count for the fee
- A floor plan if walls or openings change
Local quirks
- Replacing the railings on an existing deck or porch needs a permit.
- Large inflatable pools and swim spas count as pools: permit and fence first, water after the inspector's written approval.
- The review clock only starts once the permit fee is paid.
Design your Guelph bathroom to the Building Code.
The design, drawings and code checks work in Guelph today. Guelph’s own forms aren’t built in yet, so you’ll fill those in on the City’s portal.