Plan the stages separately
The published period is not the whole project.
Published first review for a complete residential permit application: 10 business days, not a guaranteed issuance date.
Official sources behind this page
Published municipal guidanceCheck the scope and stated conditions
Kitchener lists changing the heating source in an existing building among permit-required work, for example replacing electric baseboards with forced-air gas or the reverse.
City of KitchenerWhen you need a building permit · Residential permit triggers 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 heating and ventilation guide