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Secondary Suites, Carriage House, and Two Dwelling Housing

Information about the process can be found below:

Secondary Suite

A secondary suite is a self-contained residence, located within a single family house, that has its own entrance, kitchen, bathroom and living area.
A building permit and a business licence  are required to ensure the secondary suite is legal. The business licence must be renewed every year.

Additional Information & Applications:

Carriage House & Two Dwelling Housing

A carriage house is an additional dwelling unit located within a detached accessory building. The maximum floor area can be no more than 90m2 OR 75 per cent of the total habitable space of the principal residence, whichever is smaller. 

See bulletin for more information.
 Carriage House        

Two Dwelling Housing is a property that contains two principal dwelling units.

The difference between a second dwelling and a carriage house is the size of the regulated floor area, siting, required development regulations and Development Cost Charges (DCCs).  For a carriage house, the floor area and the height of the building are limited. In comparison, site coverage and the building set backs are often the limiting regulations for a second principal dwelling. Two dwelling housing is permitted to be strata-titled; however, a carriage house is not.

To be eligible for a carriage house, a property must be zoned RU6  or have a "c" designation. For a second dwelling, a property must be zoned RU6 and have sufficient minimum lot area.  Examples of second dwellings include a duplex, semi detached or two single detached houses. 

To find the current zoning of your property, refer to the online mapping system.  

Additional Information & Applications:

Contact Us

The Community Planning team is available to assist with pre-application questions. To contact a Planner, please phone 250-469-8626 or email us at

Development Services staff is available to assist with building permit inquiries. To make an appointment with a plan checker, please phone 250-469-8960.

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