{"name":"BuildRules permit index: Guelph","canonical_url":"https://buildrules.ca/permit-index/guelph","generated_at":"2026-11-07T18:54:35.583Z","latest_verified":"2026-11-07","coverage":{"cities":1,"project_types":8,"city_project_answers":8,"official_source_urls":6},"methodology_url":"https://buildrules.ca/methodology","source_directory_url":"https://buildrules.ca/sources","records":[{"city":"Guelph","city_slug":"guelph","province":"Ontario","project":"Basement apartment / secondary suite","project_slug":"secondary-suite-permit","question":"Additional Dwelling Unit permit rules in Guelph","guidance_status":"Permit likely required","direct_answer":"Apply for a building permit to create an additional dwelling unit in Guelph, including a basement apartment.","last_verified":"2026-11-07","official_source_count":2,"official_source_urls":["https://guelph.ca/city-government/planning-and-development/community-plans-studies/shared-rental-housing/additional-dwelling-units/","https://guelph.ca/city-government/building-permits-inspections/building-applications-and-fees/"],"buildrules_url":"https://buildrules.ca/guelph/secondary-suite-permit"},{"city":"Guelph","city_slug":"guelph","province":"Ontario","project":"Basement renovation","project_slug":"basement-renovation-permit","question":"Basement Finishing permit rules in Guelph","guidance_status":"Permit likely required","direct_answer":"Guelph lists finishing a previously unfinished basement as work that requires a building permit.","last_verified":"2026-11-07","official_source_count":2,"official_source_urls":["https://guelph.ca/city-government/building-permits-inspections/residential-building-permits/residential-interior-renovations-and-alterations/","https://guelph.ca/city-government/building-permits-inspections/building-applications-and-fees/"],"buildrules_url":"https://buildrules.ca/guelph/basement-renovation-permit"},{"city":"Guelph","city_slug":"guelph","province":"Ontario","project":"Deck","project_slug":"deck-permit","question":"Deck permit rules in Guelph","guidance_status":"Depends on project conditions","direct_answer":"Guelph requires a permit if any part of the deck’s walking surface is at least 0.6 m above finished grade.","last_verified":"2026-11-07","official_source_count":2,"official_source_urls":["https://guelph.ca/city-government/building-permits-inspections/residential-building-permits/decks-and-porches/","https://guelph.ca/city-government/building-permits-inspections/building-applications-and-fees/"],"buildrules_url":"https://buildrules.ca/guelph/deck-permit"},{"city":"Guelph","city_slug":"guelph","province":"Ontario","project":"Garage / carport","project_slug":"garage-permit","question":"Detached Garage or Carport permit rules in Guelph","guidance_status":"Depends on project conditions","direct_answer":"Guelph requires a permit for a detached garage or carport over 10 m², or for an accessory building with plumbing at any size.","last_verified":"2026-11-07","official_source_count":2,"official_source_urls":["https://guelph.ca/city-government/building-permits-inspections/residential-building-permits/garages-sheds-gazebos/","https://guelph.ca/city-government/building-permits-inspections/building-applications-and-fees/"],"buildrules_url":"https://buildrules.ca/guelph/garage-permit"},{"city":"Guelph","city_slug":"guelph","province":"Ontario","project":"Home addition","project_slug":"home-addition-permit","question":"Home Addition permit rules in Guelph","guidance_status":"Permit likely required","direct_answer":"Guelph has a residential addition permit path for work such as adding a storey, building a sunroom, enclosing a deck or adding an attached garage.","last_verified":"2026-11-07","official_source_count":2,"official_source_urls":["https://guelph.ca/city-government/building-permits-inspections/residential-building-permits/residential-additions/","https://guelph.ca/city-government/building-permits-inspections/building-applications-and-fees/"],"buildrules_url":"https://buildrules.ca/guelph/home-addition-permit"},{"city":"Guelph","city_slug":"guelph","province":"Ontario","project":"Shed / accessory structure","project_slug":"shed-permit","question":"Storage Shed permit rules in Guelph","guidance_status":"Depends on project conditions","direct_answer":"A detached, one-storey storage shed of 15 m² or less may qualify for an exemption in Guelph. Plumbing triggers a permit regardless of size.","last_verified":"2026-11-07","official_source_count":2,"official_source_urls":["https://guelph.ca/city-government/building-permits-inspections/residential-building-permits/garages-sheds-gazebos/","https://guelph.ca/city-government/building-permits-inspections/building-applications-and-fees/"],"buildrules_url":"https://buildrules.ca/guelph/shed-permit"},{"city":"Guelph","city_slug":"guelph","province":"Ontario","project":"Wall removal / structural alteration","project_slug":"wall-removal-permit","question":"Wall Removal permit rules in Guelph","guidance_status":"Permit likely required","direct_answer":"Guelph’s interior renovation guidance lists adding or removing load-bearing and non-load-bearing walls as a permit trigger.","last_verified":"2026-11-07","official_source_count":2,"official_source_urls":["https://guelph.ca/city-government/building-permits-inspections/residential-building-permits/residential-interior-renovations-and-alterations/","https://guelph.ca/city-government/building-permits-inspections/building-applications-and-fees/"],"buildrules_url":"https://buildrules.ca/guelph/wall-removal-permit"},{"city":"Guelph","city_slug":"guelph","province":"Ontario","project":"Windows / doors","project_slug":"window-door-permit","question":"Window and Door Openings permit rules in Guelph","guidance_status":"Depends on project conditions","direct_answer":"Guelph lists installing a new opening or enlarging an existing window or door as work requiring a building permit.","last_verified":"2026-11-07","official_source_count":2,"official_source_urls":["https://guelph.ca/city-government/building-permits-inspections/residential-building-permits/residential-interior-renovations-and-alterations/","https://guelph.ca/city-government/building-permits-inspections/building-applications-and-fees/"],"buildrules_url":"https://buildrules.ca/guelph/window-door-permit"}]}