Accessory dwelling units Canada / Green Building & Sustainable Home Renovation Information & Advice

Coach house in Ottawa by Passive House builder Ekobuilt.
Concept and design

Are Coach Houses Allowed in Ottawa? Rules & 2026 Zoning Changes Explained

...dwelling unit in the City of Ottawa has just gotten a little easier following the unanimous passing of Zoning By-law 2026-50. This is great news for homeowners and the city alike. Coach houses - also known as Accessory Dwelling Units (ADUs) - reduce urban sprawl, make efficient use of existing municipal infrastructure,...