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Chapter 150 Specific Use Regulations
150.10 Secondary Suite
| (1) | Application of this Section |
| The regulations in Section 150.10 apply to secondary suites. [ By-law: 549-2019 ]
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| (1) | Secondary Suite - Permitted in Certain Types of Residential Buildings |
| A secondary suite may be in:
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| (A) | a detached house;
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| (B) | a semi-detached house; and
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| (C) | a townhouse. [ By-law: 549-2019 ]
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| (2) | Secondary Suite - Number Permitted in a Detached House, Semi-Detached House or Townhouse |
| Within a detached house, semi-detached house, or townhouse, each dwelling unit may have a maximum of one secondary suite. [ By-law: 549-2019 ]
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| (3) | Secondary Suite - Number Permitted in a Detached House or a Semi-Detached House in the R Zone |
| Despite regulation 150.10.20.1(2), in the R zone, each dwelling unit in a detached house or semi-detached house may have more than one secondary suite. [ By-law: 549-2019 ]
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| (4) | Secondary Suite - Permission in Zones Where a Detached House, Semi-Detached House, or Townhouse Are Not Permitted Building Types |
| A secondary suite is permitted within a lawfully existing detached house, a lawfully existing semi-detached house, or a lawfully existing townhouse in the RA, RAC, CL, CR, I, IH, IE, IS, and IPW zones. [ By-law: 549-2019 ]
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| (1) | Restrictions on a Pedestrian Entrance to a Secondary Suite |
| A pedestrian entrance leading exclusively to a secondary suite is :
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| (A) | permitted in a front wall of a townhouse; and
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| (B) | not permitted in a front wall of a detached house or semi-detached house. [ By-law: 549-2019 ]
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| (2) | Secondary Suite – Addition or Exterior Alterations |
| An addition or exterior alteration to an existing building to accommodate a secondary suite is permitted if:
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| (A) | it does not alter or add to a front wall, or roof that faces a street; and
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| (B) | despite (A) above, the following additions or exterior alterations may be on a front wall, or roof that faces a street:
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| (i) | a porch or a basement extension under a porch;
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| (ii) | a balcony;
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| (iii) | a dormer, if the interior floor area of the dormer is no more than 2.3 square metres and the total interior floor area of all dormers is not more than 9.3 square metres; and
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| (iv) | a pedestrian entrance leading exclusively to a secondary suite in a townhouse. [ By-law: 549-2019 ]
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| (1) | Secondary Suite - Interior Floor Area |
| The interior floor area of a secondary suite, or all secondary suites where more than one is permitted, must be no more than 45 percent of the interior floor area of the dwelling unit within which it is located. [ By-law: 549-2019 ]
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| (2) | Secondary Suite – In a Basement in a One Storey Detached House |
| Despite regulation 150.10.40.40(1), in the case of a secondary suite located in the basement of a one storey detached house, the secondary suite may occupy the whole of the basement. [ By-law: 549-2019 ]
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