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CITY OF HAMILTON
ZONING BY-LAW
SECTION 15: RESIDENTIAL ZONES
October 09, 2024
15.2
LOW DENSITY RESIDENTIAL - SMALL LOT (R1a) ZONE
Explanatory Note: The R1a Zone applies to low density residential areas where
lots are typically smaller than those in the R1 Zone. The intent of the R1a Zone
is to permit a range of low density residential housing types to meet the needs of
the residents of the city.
(By-law No. 24-051, April 10, 2024)
No person shall erect, or use any building in whole or in part, or use any land in
whole or in part, within a Low Density Residential - Small Lot (R1a) Zone for any
purpose other than one or more of the following uses or uses accessory thereto.
Such erection or use shall also comply with the prescribed regulations:
15.2.1
PERMITTED USES
Child Care Centre
Community Garden
Duplex Dwelling
Educational Establishment
Fourplex Dwelling
Lodging House
Residential Care Facility
Retirement Home
Semi-Detached Dwelling
Single Detached Dwelling
Street Townhouse Dwelling
Triplex Dwelling
Urban Farm
(By-law No. 24-051, April 10, 2024)
(By-law No. 25-155, August 06, 2025)
(By-law No. 25-229, December 10, 2025)
15.2.1.1 RESTRICTED USES
(NOT FINAL AND BINDING,
By-law No. 26-152, September
09, 2026)
In addition to Subsection 15.2.1, the
following uses shall be permitted in
accordance with the following
restrictions:
i)
Residential Care Facility:
1. Within the area identified on
Figure 55 of Schedule "F" -
Special Figures of this By-
law, every Residential Care
Facility shall be situated on
a lot having a minimum
radial separation distance of
300 metres from any lot line
of such lot, measured to the
lot line of any other lot
CITY OF HAMILTON
ZONING BY-LAW
SECTION 15: RESIDENTIAL ZONES
October 09, 2024
occupied by a Residential
Care Facility.
15.2.1.2 PROHIBITED USES
(By-law No. 25-229, December 10,
2025)
(NOT FINAL AND BINDING, By-law No.
26-152, September 09, 2026)
Educational Establishment consisting
of a College or University
15.2.2
REGULATIONS
15.2.2.1 SINGLE DETACHED,
DUPLEX DWELLING,
TRIPLEX DWELLING, CHILD
CARE CENTRE,
EDUCATIONAL
ESTABLISHMENT,
LODGING HOUSE,
RESIDENTIAL CARE
FACILITY AND
RETIREMENT HOME
REGULATIONS
(By-law No. 24-051, April 10, 2024)
(By-law No. 25-155, August 06, 2025)
(By-law No. 25-229, December 10, 2025)
a) Minimum Lot Area
270.0 square metres;
b) Minimum Lot Width
9.0 metres;
c)
Minimum Setback
from the Front Lot Line
i) 4.0 metres;
ii)
Notwithstanding Section
15.2.2.1 c) i), for lots
identified on Figure 36 of
Schedule "F" - Special
Figures of this By-law, a
building may be erected
closer to the front lot line in
accordance with the
following:
1. Within 10 percent of
the average setback
from the front lot line
or flankage lot line of
the two adjacent
dwellings, or in the
case of a corner lot,
CITY OF HAMILTON
ZONING BY-LAW
SECTION 15: RESIDENTIAL ZONES
October 09, 2024
within 10% of the
setback from the front
lot line of the adjacent
dwelling sharing a
side lot line.
2. In no cases shall the
setback from the front
lot line be less than
0.5 metres.
(By-law No. 24-051, April 10, 2024)
d) Minimum Setback from
a Side Lot Line
i) 1.2 metres;
ii) Notwithstanding Section
15.2.2.1 d) i), 6.0 metres for an
Educational Establishment
(By-law No. 25-229, December 10, 2025)
e) Minimum Setback from a
Flankage Lot Line
3.0 metres;
f) Minimum Setback from the
Rear Lot Line
7.5 metres;
g) Maximum Building Height
10.5 metres;
h) Minimum Landscaped Area
i) 30%
ii) Within the landscaped area,
the requirements of Section
4.35 of this By-law shall apply.
(By-law No. 24-051, April 10, 2024)
15.2.2.2 SEMI-DETACHED
DWELLING REGULATIONS
a) Minimum Lot Area for each
Dwelling Unit
225.0 square metres;
b) Minimum Lot Width for each
Dwelling Unit
7.5 metres;
c) Minimum Setback from the
Front Lot Line
i) 4.0 metres;
CITY OF HAMILTON
ZONING BY-LAW
SECTION 15: RESIDENTIAL ZONES
October 09, 2024
ii) Notwithstanding Section
15.2.2.2 c) i), for lots
identified on Figure 36 of
Schedule "F" - Special
Figures of this By-law, a
building may be erected
closer to the front lot line in
accordance with the
following:
1. Within 10 percent of
the average setback
from the front lot line
or flankage lot line of
the two adjacent
dwellings, or in the
case of a corner lot,
within 10% of the
setback from the front
lot line of the adjacent
dwelling sharing a
side lot line.
2. In no cases shall the
setback from the front
lot line be less than
0.5 metres
(By-law No. 24-051, April 10, 2024)
d) Minimum Setback from a Side
Lot Line
1.2 metres, except for the side yard
related to the common wall of the
semi-detached dwelling unit, in
which case a minimum 0 metre side
yard shall be permitted.
e) Minimum Setback from a
Flankage Lot Line
3.0 metres;
f) Minimum Setback from the
Rear Lot Line
7.5 metres;
g) Maximum Building Height
10.5 metres;
h) Minimum Landscaped Area
i) 30%
ii) Within the landscaped
area, the requirements of
Section 4.35 of this By-
law shall apply.
CITY OF HAMILTON
ZONING BY-LAW
SECTION 15: RESIDENTIAL ZONES
October 09, 2024
(By-law No. 24-051, April 10, 2024)
15.2.2.3 STREET TOWNHOUSE
DWELLING REGULATIONS
a) Minimum Lot Area for each
Dwelling Unit
180.0 square metres for each
dwelling unit.
b) Minimum Unit Width for each
Dwelling Unit
6.0 metres;
c) Minimum Setback from the
Front Lot Line
4.0 metres;
(By-law No. 24-051, April 10, 2024)
d) Minimum Setback from a Side
Lot Line
1.2 metres except for the side yard
related to the common wall of the
street townhouse dwelling unit, in
which case a minimum 0 metre side
yard shall be permitted.
e) Minimum Setback from a
Flankage Lot Line
3.0 metres;
f) Minimum Setback from the
Rear Lot Line
7.5 metres;
g) Maximum Building Height
10.5 metres;
h) Landscaped Area
In accordance with the
requirements of Section 4.35 a)
and b) of this By-law.
(By-law No. 24-051, April 10, 2024)
15.2.2.4 FOURPLEX DWELLING
REGULATIONS
a) Minimum Lot Area
300 square metres;
b) Minimum Lot Width
10.0 metres;
c) Minimum Setback from the Street
Line
i) 4.0 metres;
ii) Notwithstanding Section
CITY OF HAMILTON
ZONING BY-LAW
SECTION 15: RESIDENTIAL ZONES
October 09, 2024
15.2.2.4 c) i), for lots
identified on Figure 36 of
Schedule "F" - Special
Figures of this By-law, a
building may be erected
closer to the front lot line in
accordance with the
following:
1. Within 10 percent of
the average setback
from the front lot line
or flankage lot line of
the two adjacent
dwellings, or in the
case of a corner lot,
within 10% of the
setback from the front
lot line of the adjacent
dwelling sharing a
side lot line.
2. In no cases shall the
setback from the front
lot line be less than
0.5 metres.
d) Minimum Setback from a Side
Lot Line
1.2 metres, and a minimum
aggregate of 3.5 metres.
e) Minimum Setback from a
Flankage Lot Line
3.0 metres;
f) Minimum Setback from the
Rear Lot Line
7.5 metres;
g) Maximum Building Height
10.5 metres;
h) Minimum Landscaped Area
i) 30%
ii) Within the landscaped
area, the requirements
of Section 4.35 of this
By-law shall apply.
CITY OF HAMILTON
ZONING BY-LAW
SECTION 15: RESIDENTIAL ZONES
October 09, 2024
i) Visual Barrier
i) A Visual Barrier shall be
required along side lot
lines and the rear lot line
in accordance with the
requirements of Section
4.19 of this By-law.
ii) Notwithstanding Section
15.2.2.4 i) i), rear yard
parking shall comply
with the requirements of
Section 4.35 d) of this
By-law.
j) Amenity Area
Amenity areas shall not be
permitted in the side yard or
on the rooftop of the
dwelling.
k) Waste Storage
Outdoor waste storage shall
be fully enclosed and shall
not be located in the front
yard.
(By-law No. 24-051, April 10, 2024)