From Brampton.ca:
Additional Residential Units (ARU), also known as additional dwelling units or accessory residential units, accessory apartment, granny flats, in-law suites, laneway suites, and/or coach houses, are self-contained residential units with separate kitchen, bathroom and sleeping facilities within accessory building or structures located on the same lot as the principal dwelling, with a separate access.
This project is an early deliverable of the Housing Brampton, which aims to support the provision of age friendly and inclusive housing that is affordable and accessible to all.