Zoning · Burlington · Residential

RM1 zone, Burlington: Medium Density Residential RM1

Burlington Zoning By-law 2020, Part 2, Sections 1-2, 7 and 8 (Table 2.7.1, Tables 2.8.1-2.8.2) of the City of Burlington Zoning By-law 09-2026 / 2020.

A medium-density residential zone for semi-detached, duplex and triplex dwellings (plus detached homes under R3.4 rules) on lots of roughly 9 m width and 270 m² per unit, with buildings up to 2 1/2 storeys.

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What the RM1 zone permits

  • Detached dwelling (subject to R3.4 Zone regulations, Table 2.7.1 note a)
  • Semi-detached dwelling
  • Duplex building
  • Triplex building
  • Retirement home (subject to RM2 Zone regulations, note c)
  • Lodge, fraternity, private club (subject to RM3 Zone regulations; only on lands abutting a street with a deemed width of 26 m or greater, notes e,f)
  • Community institution (subject to RM3 Zone regulations; only on lands abutting a street with a deemed width of 26 m or greater, notes e,f)
  • Additional residential units (subject to Part 1, Section 2.21, Subsection (u), note g)

Standards

RequirementBy-law
Minimum lot area (interior lot)270 m²Table 2.8.1 Lot Area: semi-detached 270 m² per unit; duplex 270 m²; triplex 200 m² per unit. Detached dwellings use R3.4 Zone regulations.
Minimum lot width (interior lot)9 mTable 2.8.1 Lot Width: semi-detached 9 m per unit; duplex 9 m; triplex 6 m per unit. Detached dwellings use R3.4 Zone regulations.
Minimum front yard6 m
Minimum interior side yard3 mTable 2.8.1 Side Yard. Semi-detached: without attached garage/carport 0 m on the common-wall side and 3 m on the other side (one, one-and-a-half, or two-plus storeys); with attached garage/carport 0 m and 1.2 m other side (1 to 1.5 storeys) or 0 m and 1.8 m other side (2+ storeys). Duplex: without garage/carport 3 m and 1.8 m other side for 2+ storeys (1-1.5 storey N/A); with garage/carport 1.8 m (2+ storeys). Triplex: interior side yard 0 m; without garage/carport 3 m and 1.2 m other side (1-1.5 storey) or 3 m and 1.8 m other side (2+ storeys); with garage/carport 1.2 m (1-1.5 storey) or 1.8 m (2+ storeys). Table column alignment is ambiguous in the source; verify against the PDF.
Minimum exterior side yard4 m
Minimum rear yard9 mTable 2.8.1 Rear Yard: semi-detached 9 m; duplex 7.5 m; triplex 7.5 m.
Maximum building height13 ms.8.4(b): maximum 2 1/2 storeys; height per Part 1, Subsection 2.31 'Residential Building Height'. Table 2.31.1 B (All Other Zones) gives 2 1/2 storeys to 13 m for peaked-roof dwellings; flat-roof 2 storeys to 7 m. Building additions have separate limits (6.25 m peak / 3 m flat for two-storey additions; 4.5 m / 2.25 m for one to one-and-a-half storey additions).
Maximum lot coverageSee notes.8.2: for detached lots 12 m or greater in width, the lot coverage provisions of Part 2, Subsection 4.2 (R zones) apply. No lot coverage figure stated in the RM1 section for other dwelling types.
Minimum landscaped open spaceSee noteTable 2.8.1 Landscape Area: triplex 25%; semi-detached and duplex shown as '* * *' (no percentage given in the table).

Other provisions in this section

  • Table 2.8.2 other yards: building setback abutting a creek block 7.5 m (4.5 m if the block includes a 3 m buffer); yard abutting a pipeline easement 7 m; yard abutting a railway right-of-way 30 m.
  • s.8.3 Parking: per Part 1, Subsection 2.25 'Off-Street Parking and Loading Requirements'.
  • s.8.4(a) Building height measured per Part 1, Subsection 2.31 'Residential Building Height'.
  • s.8.2 Lot coverage: detached lots 12 m or wider follow Part 2, Subsection 4.2.
  • s.1(a) Holding Zone: where prefixed by 'H', permitted uses per Part 11, Subsection 1.1; development is premature until the 'H' is removed per Part 11, Subsection 1.2.
  • s.1(b)-(f) Accessory buildings (Part 1 s.2.2), patios and decks (s.2.3), fencing and privacy screens (s.2.4), swimming pools (s.2.5), lands adjacent to Lake Ontario and Burlington Bay (s.2.30) apply.
  • s.1(g) 'L' shape dwellings: a detached dwelling without an attached garage/carport whose front elevation forms one side and one end of a 4.5 m x 6.5 m parking space uses the side yard required for a dwelling with an attached garage/carport.
  • s.1(h) Parking lots shall be set back 4.5 m from a street line.
  • s.1(i)(i) For townhouses, back-to-back, stacked townhouses, cluster homes and apartment buildings up to 3 storeys: driveways and parking lots set back 3 m from a wall containing habitable-room windows (not applicable where the space/driveway is for the exclusive use of the unit occupant); parking spaces set back at least 6 m from an R1, R2, R3, LN3, LN4, LN5, LN6 zone.
  • s.1(i)(ii) Apartment buildings 4 storeys or more: driveways set back 9 m and parking spaces 6 m from a ground-floor or basement habitable-room window; driveways and parking spaces set back 6 m from an R1, R2, R3, LN3-LN6 zone.
  • s.1(j) Enclosed parking structures more than 1.6 m above finished grade follow principal building yard requirements; structures below grade and up to 1.6 m above grade set back 3 m from a street line; no encroachment into a required landscape buffer abutting a residential zone.
  • s.2 Prohibited: parking/storing a motor vehicle (other than a recreational vehicle) over 3000 kg registered GVW, 6 m length or 2.6 m height; stake-body vehicles; recreational vehicles or utility trailers with load exceeding 3.6 m combined height; and parking/storage of any vehicle, trailer, boat, etc. within a landscaped open space area; plus the uses in Part 1, Subsection 2.22.
  • Table 2.7.1 notes: detached dwellings follow R3.4 Zone regulations; retirement homes follow RM2 Zone regulations; lodges/fraternities/private clubs and community institutions follow RM3 Zone regulations and are permitted only on lands abutting a street with a deemed width of 26 m or greater; additional residential units per Part 1, Section 2.21(u).

Source: Burlington Zoning By-law 2020, Part 2, Sections 1-2, 7 and 8 (Table 2.7.1, Tables 2.8.1-2.8.2), By-law 09-2026 / 2020 (City of Burlington), checked 2026-09-12. General provisions elsewhere in the by-law (parking, driveways, accessory buildings) also apply, and a numbered exception on the parcel can change any value here. Treat this as a pre-check, not a sign-off.

Other residential zones in Burlington: DRH, DRL, DRM, HN, LN1, LN2, LN3, LN4, LN5, LN6, LN7, LN8, R1.1, R1.2, R2.1, R2.2, R2.3, R2.4, R3.1, R3.2, R3.3, R3.4, R4, R5, RAL1, RAL2, RAL3, RAL4, REV1, REV2, REV3, RH1, RH2, RH3, RH4, RH5, RM2, RM3, RM4, RM5, RNA1, RNA2, RNA3, RO1, RO2, RO3, RO4, SNA, URH, URM