Additional Residential Units

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The City of Brampton has initiated a Policy Review to implement Additional Residential Unit (ARU) policies in the Official Plan and Zoning By-law to conform to Bill 108 More Homes, More Choice Act, 2019 and the​ recommendations of Housing Brampton, the City’s affordable housing strategy.

To comply with Bill 108, municipalities are required to amend their policies to permit additional residential units within a detached accessory structure.

The Policy Review will implement permissions for additional residential units within an accessory structure on the same lot as a single-detached house, semi-detached house, or townhouse. The Planning Act definition for “additional residential units (ARUs)” applies to both the accessory residential units that are contained within the principal dwelling (such as basement apartments) and the detached units, however, the City will refer to detached residential units as “Garden Suites”. “Second units” will continue to apply to accessory units that are contained within the principal dwelling, and together with a ‘Garden Suite’, will be a form of ARU.

The purpose of these policies is aimed to reduce zoning barriers to the creation of additional residential units and support the supply and range of affordable rental accommodations in the City.

The Information Report and draft amendments to implement Garden Suites provisions was presented at a statutory public meeting on June 7, 2021. For a copy of the public meeting notice, click here​. The online survey has closed, and staff are reviewing the responses received. Thank you for your feedback!

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.

Proposed General Provisions for all ARUs

Unit Type

Detached, Semi-detached or Townhouse dwelling


Not permitted in:

  • Lodging Houses/Group Homes
  • Floodplain areas


One additional parking space for lots that contain two ARUs
No parking space required when only a second unit or a garden suite is proposed

Subject to the Registration By-law

​Proposed Provisions for Garden Suites

Rear or side yard only

Maximum Size
80 sq. m. for Hamlet, Estate or Agricultural zones
35 sq. m. for all other Residential zones


2.5m from the rear yard
1.8m from the side yard
4.0m from the principal dwelling


The lesser of the height of the principal dwelling or:
7.5m for Hamlet, Estate or Agricultural zones
4.5m for all other Residential zones


A 1.2m pedestrian path to the main access of the garden suite


No balconies or rooftop patios

*Based on the draft OPA and ZBLA presented at the June 7, 2021 PDC meeting. These provisions are in draft and subject to change

​garden suite ​EXAMPLES:

Garden Suite Example 
Garden Suite Example 
Garden Suite Example 
Garden Suite Example 
Garden Suite Examples 

What Are Garden Suites?




Frequently Asked Questions​


For additional information on the ARU Policy Review or to provide comments, please contact the project leads:

Shahinaz Eshesh, Policy Planner III
City Planning and Design

Claudia LaRota, Principal Planner/Supervisor
City Planning and Design