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20.0 RO4 Zone Regulations

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Link to Permitted Uses

20.1 Lot Width, Area, Yards

Table 2.20.1


Lot Width

Unit Width

Lot Area

Front Yard

Rear Yard

Side Yard

Street Side Yard


Street Townhouse

5 m

4.5 m

145 m2 (a)

3 m (b)

6 m

1.2 m (c) 

interior side yard 0 m

3 m


All Other Dwellings

9 m

4.5 m

270 m2

3 m (b)

6 m

1.2 m (c) 

interior side yard 0 m

3 m

Footnotes to Table 2.20.1

a) Lot Area for lots less than 30 m in depth: 115 m2

b) Front Yard for lots abutting a street having a deemed width of 26 m or greater:

  • Ground Floor: No minimum, 2 m maximum, except, where the dwelling unit has driveway access to the street the yard shall be 6 m maximum.
  • Other Floors: 3 m minimum
  • Front Yard for lots abutting a street having a deemed width less than 26 m:
  • All floors: 3 m minimum

c) Where a Townhouse, Stacked Townhouse, Apartment Building or Retirement Home abuts any other residential use the minimum side yard shall be 3 m.

Table 2.20.2

Other Yards


Rear yard abutting a creek block

7.5 m, 4.5 m if block includes a 3 m buffer

Side yard abutting a creek block

1.5 m

Yard abutting a pipeline easement

6 m

Yard abutting a railway right-of-way

30 m

20.2 Accessory Uses and Regulations

(i) The following accessory uses and regulations are permitted:

  • Art Gallery
  • Convenience Store
  • Video Rental Store
  • Drug Store
  • Florist
  • Bank and Trust Companies
  • Shoe Repair
  • Barber Shop/Beauty Shop
  • Dry Cleaning Depot
  • Lodge, Fraternity or Private Club
  • Office
  • Convenience Restaurant
  • Standard Restaurant
  • Fast Food Restaurant
  • Outdoor, Sidewalk, Terrace Patio
  • Duplication, Reproduction Services
  • Computer Sales & Service
  • Athletic or Fitness Club
  • Auditorium
  • Social Organizations

(ii) Floor Area per accessory use: 300 m2 maximum

(iii) Floor Area Ratio: 0.15:1 maximum for all accessory uses excluding office and restaurant uses.

(iv) Accessory uses shall locate on the ground floor and below grade floors only, except Office uses, which may locate on the second floor as well as the ground floor and below grade floors.

20.3 Density

All dwellings:

Minimum: 25 units/hectare
Maximum: 185 units/hectare

20.4 Building Height  

a) Building height: Minimum 3 storeys and maximum 5 storeys and in accordance with Part 1, Sub-Section 2.31 RESIDENTIAL BUILDING HEIGHT

20.5 Built Form

a) An attached garage shall maintain the same or greater setback from a street line as the dwelling it is attached to or where a dwelling includes an attached porch the attached garage may have the same setback from the street line as the porch, provided that the garage shall not encroach into the required yard.

b) A detached garage located in a rear yard abutting a public or private lane may be constructed to the rear lot line and shall be setback 90 cm from a side lot line and 3 m from a side lot line abutting a street.

A detached garage located in a rear yard shall be setback 6 m from a dwelling on the same lot.

c) The minimum distance between the exterior walls of any two townhouse or stacked townhouse buildings shall be 4.5 m where the facing walls contain windows of habitable rooms, where the facing walls do not contain windows of habitable rooms the distance shall be 2 m.

d) Notwithstanding the definition of Street Townhouse, a grade level access between front and rear yards is not required for street townhouse units on lots less than 7.65 m wide.

e) Attached garages shall maintain the same setback from a street as the dwelling unit building elevation or a porch associated with the dwelling unit.

f) The minimum ceiling height for the first floor of any building shall be 3m.

20.6 Encroachments

Notwithstanding Part 1, Subsection 2.13 "Encroachment into Yards" porches, stairs and canopies may encroach 3 m into a required rear yard and 2 m into a required front yard. Where a lot abuts a street having a deemed width of 26 m or greater porches, stairs and canopies may encroach into a required front yard to the street line.

20.7 Lot Coverage

Lost coerage shall be 60% maximum

20.8 Landscape Buffer

Townhouse, Stacked Townhouse, Apartment Building and Retirement Home abutting any other residential use: 3 m

20.9 Amenity Area

Stacked Townhouses, Apartment Dwelling: 25 m2 for each bedroom in a unit; 15 m2 for each efficiency unit

20.10 Parking

Parking shall be provided in accordance with Part 1, Subsection 2.25 "Off Street Parking and Loading Requirements" except as amended by the following:

  • Dwelling Units: 1 parking space per unit
  • Accessory Uses: parking not required
  • Loading/Unloading space: not required

20.11 Laneways

For purposes of interpretation of this by-law, a public street abutting the rear yard of a through lot shall be considered a public lane.

This page last updated December 11, 2015



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