This is the exact embedded text of the captured official document.
Snapshot ff0531849b50 · verified 2026-10-19 ·
original document ·
archived snapshot ·
unofficial consolidation, the official version is held by the municipal clerk.
Page 1 of 12
SECTION 17
OFFICE CONVERSION (OC) ZONE
17.1 GENERAL PURPOSE OF THE OC ZONE
This Zone provides for and regulates both the total and partial conversion of
existing residences to office uses. The range of uses which are provided for in
the Official Plan have been differentiated on the basis of function, intensity and
potential impacts. This Zone shall be compounded with the appropriate
Residential Zone.
The OC1, OC2 and OC3 Zones accommodate office conversions in the areas
where the Official Plan policies require that a residential component be
maintained in the structure by requiring the retention of at least one dwelling unit
in the existing residential building. The OC4, OC5 and OC6 Zone variations
provide for a choice of uses in existing buildings. The OC7 and OC8 zone
variations permit an even broader range of uses in existing buildings and are
restricted in their application to the Talbot Neighbourhood, as directed by the
"Talbot Mixed-Use Area" policies in the Neighbourhoods policies of The London
Plan. (Z.-1-202871)
17.2 PERMITTED USES
No person shall erect or use any building or structure, or use any land or cause
or permit any building or structure to be erected or used, or cause or permit any
land to be used, in any OC Zone for any use other than the following uses:
1)
OC1
The following are permitted uses in the OC1 Zone variation:
a)
Offices, professional in existing buildings together with at least one
dwelling unit.
2)
OC2
The following are permitted uses in the OC2 Zone variation:
a)
Offices, professional in existing buildings together with at least one
dwelling unit;
b)
Offices, service in existing buildings together with at least one
dwelling unit.
3)
OC3
The following are permitted uses in the OC3 Zone variation:
a)
Medical/dental offices in existing buildings together with at least
one dwelling unit.
4)
OC4
The following are permitted uses in the OC4 Zone variation:
a)
Dwelling units;
b)
Offices in existing buildings.
5)
OC5
The following are permitted uses in the OC5 Zone variation:
a)
Dwelling units;
b)
Medical/dental offices in existing buildings;
c)
Offices in existing buildings.
6)
OC6
The following are permitted uses in the OC6 Zone variation:
a)
Clinics in existing buildings;
b)
Dwelling units;
Page 2 of 12
c)
Emergency care establishments in existing buildings;
d)
Medical/dental offices in existing buildings;
e)
Offices in existing buildings;
f)
Outpatient clinics in existing buildings.
7)
OC7
The following are permitted uses in the OC7 Zone variation:
a)
Business service establishments;
b)
Dwelling units;
c)
Medical/dental offices;
d)
Offices;
e)
Personal service establishments.
f)
Restaurants, eat-in;
g)
Studios;
h)
Financial institutions (Z.-1-91014)
8)
OC8
The following are permitted uses in the OC8 Zone variation:
a)
Business service establishments;
b)
Converted dwelling units;
c)
Dwelling units;
d)
Offices;
e)
Personal service establishments.
f)
Studios.
17.3 REGULATIONS
No person shall erect or use any building or structure, or use any land or cause
or permit any building or structure to be erected or used, or cause or permit any
land to be used, in any OC Zone variation except in conformity with the
regulations as set out below and/or the regulations of the compound zone.
1)
ENLARGEMENT (MAXIMUM)
Any existing building may be enlarged to accommodate additions and
modifications to non-leasable building components such as stairwells and
entrances. Enlargements may not exceed 10 percent (10%) of the gross
floor area. Enlargement may not extend into the required yards of the
compounded zone.
2)
NUMBER OF CONVERTED DWELLING UNITS
For each dwelling unit in a converted dwelling, there shall be a minimum
of 180 square metres (1,938 square feet) of lot area.
3)
CONVERTED DWELLINGS AND NON-RESIDENTIAL USES
The lot frontage, lot area, lot depth, lot coverage (with the exception of the
permitted addition noted in Section 17.3(1) and height shall remain as they
legally existed on the day the By-Law was passed.
4)
LANDSCAPED OPEN SPACE (MINIMUM)
A minimum of 30 percent (30%) of the lot shall be provided and
maintained as landscaped open space.
5)
OC7 ADDED REGULATIONS
Restaurants, personal service establishments and business service
establishments shall be confined to the ground floor and shall not exceed
150 square metres (1,614.5 square feet) gross leasable floor area.
6)
DRIVE-THROUGH FACILITIES
Drive-through facilities, either as a main or accessory use, are not
Permitted in the Office Conversion (OC) Zone. (Z.-1-081795)
Page 3 of 12
SPECIAL PROVISIONS
The following zone variations apply to unique or existing situations and are not
the standard OC Zone variations. If a regulation or use is not specified, the list of
permitted uses and/or the regulations of Section 17.2 and/or Section 17.3 shall
apply.
a)
OC1 Zone Variation
OC1(1)
a)
Additional Uses:
i)
Offices, computer support (as defined below) in existing
buildings together with at least one dwelling unit.
b)
Regulations:
i)
Notwithstanding Section 17.3 (1) of the By-law, no
enlargements will be permitted to the existing building.
ii)
The office use will be limited to the main floor of the building.
iii)
All existing setbacks will be maintained for 1064 Western
Road as existed on the day of passing of the by-law.
iv)
A minimum of three (3) parking spaces shall be provided on
the site.
c)
Definition:
"OFFICE, COMPUTER SUPPORT" means a building or part thereof
that is limited to computer technical support services, but does not
include retail sales or a retail store.
(Z.-1-041265)
b)
OC2 Zone Variation
OC2(1)
a)
Regulations:
i)
The existing office conversion at 562 Waterloo Street may
be enlarged to a maximum of 50% of the existing Gross
Floor Area and the enlarged area may be used as a leasable
building component.
ii)
Rear Yard Depth
44 metres (144 feet)
(Minimum)
OC2(2)
a)
Additional Permitted Use:
i)
Photographic Studio.
(Z.-1-051335)
OC2(3)
332 Central Avenue and 601 Waterloo Street
a)
Additional Permitted Use
i)
Personal service establishments in the existing building,
together with at least one dwelling unit
b)
Regulation[s]:
i)
Parking Spaces
5
(Minimum):
ii)
Landscape Open Space
10%
(Minimum):
iii)
Lot Coverage
56%
(Maximum):
Page 4 of 12
iv)
All existing setbacks will be maintained for 332 Central
Avenue and 601 Waterloo Street as existing on the date of
the passing of the by-law.
(Z.-1-202832)
c)
OC3 Zone Variation
OC3(1)
a)
Additional permitted use:
i)
Wellness Centre, accessory to the medical/dental
use, within the existing building;
ii)
One hairstylist, accessory to the medical/dental use,
within the existing building;
iii)
One aesthetician, accessory to the medical/dental use,
within the existing building;
iv)
One tanning bed, accessory to the medical/dental use, within
the existing building.
b)
Regulations:
i)
Maximum Total Gross Floor Area
300 square metres
for all accessory uses to the
(3 229.1 square
medical/dental use, within the
feet)
existing building
Maximum Gross Floor Area for
17.5 square
one hairstylist, accessory to
metres
the medical/dental use, within
(188.3 square
the existing building
feet)
ii)
Maximum Gross Floor Area for
14.0 square metres
one aesthetician, accessory to
(150.6 square feet)
the medical/dental use, within
the existing building
iii)
Maximum Gross Floor Area for
14.0 square metres
one tanning bed, accessory to
(150.6 square feet)
the medical/dental use, within
the existing building
iv)
Maximum Gross Floor Area for
300 square metres
Medical/Dental
(3 229.1 square feet)
within existing building
v)
Total Parking Spaces
24 spaces
(minimum)
(Z.-1-101927)
OC3(2)
354 Boler Road
a)
Regulation[s]
i)
Parking
5 spaces
(minimum)
ii)
Parking Area permitted in the front yard
(Z.-1-162507)
OC3(3)
470 Colborne Street
a)
Additional Permitted Uses:
i)
Converted dwellings within the existing building
ii)
Commercial School in existing building together with at least
one dwelling unit
iii)
Day Care Centre in existing building together with at least
one dwelling unit
Page 5 of 12
iv)
Offices in existing building together with at least one dwelling
unit
v)
Private School in existing building together with at least one
dwelling unit
b)
Regulations:
i)
Number of Converted
8
Dwelling Units
(Maximum):
ii)
Lot Area per Converted
140m2
Dwelling Unit
(1,506 sq. feet)
(Minimum):
iii)
Landscaped Open Space
23%
(Minimum):
iv)
Parking Area Coverage
45%
(Maximum):
v)
Parking Spaces
11
(Maximum):
vi)
Front yard parking
0 spaces
vii)
Any combination of converted dwellings and non-residential
uses in the existing building shall be restricted such that the
number of required parking spaces calculated in accordance
with Section 4.19 of this By-law does not exceed 11 spaces.
(Z.-1-192725)
OC3(4)
1201 Huron Street
a)
Permitted Uses:
i)
A medical/dental office in an existing building with or without
dwelling units
b)
Regulations:
i)
Parking Area Setback
0 metres (0 feet)
(Minimum):
ii)
Interior Side Yard Depth
1.2 metres (3.9 feet)
(Minimum):
iii)
Exterior Side Yard Depth
4.1 metres (13.4 feet)
(Minimum):
iv)
Parking Area Coverage
36%
(Maximum):
v)
Lot Frontage
17.9 metres (58.7 feet)
(Minimum):
(Z.-1-192741)
d)
OC4 Zone Variation
OC4(1)
a)
Additional Permitted Use:
i)
Personal service establishments in existing buildings.
(Z.-1-93169)
OC4(2)
a)
Regulations:
i)
Access to
Section 4.19(6)(b) shall not apply
Parking Areas
to restrict driveway access.
(O.M.B. File # Z 910025/R 910387 - Appeal #6004 June 4, 1993)
Page 6 of 12
OC4(3)
a)
Additional Permitted Use:
i)
A dwelling unit where respite and/or palliative care are
provided.
b)
Regulations:
i)
Number of Residents
12
(Maximum)
ii)
Number of Resident
1
Supervisors
(Maximum)
(O.M.B. File #R 910387 - Appeal #2039 May 19, 1994)
OC4(4)
a)
Regulations:
i)
Section 17.3 3) does not apply:
ii)
The lot line which abuts an arterial street shall be interpreted
as the front lot line regardless of whether or not it is the
longer lot line.
(Z.-1-00748)
OC4(5)
a)
Additional Permitted Use:
i)
Retail stores.
b)
Regulations:
i)
Gross Floor Area
(Maximum)
Retail stores
139.35 square metres
(1,500 square feet)
Total Gross
195 square metres
Floor Area
(3,000 square feet)
ii)
Exterior Side Yard
1.68 metres
(Minimum)
(5.41 feet)
iii)
Parking Spaces
12
Notwithstanding the regulations of Section 17.3(1) and
section 17.3(3) or any other Section of this By-law to the
contrary, on lands zoned OC4(5) enlargement to leasable
building components of the existing structure is permitted to
a maximum total gross floor area of 278.7 square metres
(3,000 square feet).
Notwithstanding the regulations of Section 4.19(c) or any
other Section of this By-law to the contrary, on lands zoned
(OC4(5)) parking is permitted in the front yard.
(Z.-1-01899)
OC4(6)
a)
Additional Permitted Uses:
i)
A bed & breakfast in existing buildings;
ii)
A retail antique store in existing buildings;
iii)
A florist shop in existing buildings;
vi)
A boutique in existing buildings.
b)
Regulations:
i)
Gross Floor Area
(Maximum)
Page 7 of 12
Retail Uses
Limited to 50% of the
ground floor of the existing
dwelling
111 square metres
(1,195 square feet).
ii)
Notwithstanding the definition in Section 2 of the Zoning By-
law, a Bed & Breakfast is permitted with a maximum of 10
rooms for the temporary accommodation of travellers and
the proprietor of the operation is not required to reside on the
premises.
iii)
Parking Standard
Bed & Breakfast
1 per room available for
the temporary
accommodation of
travellers.
(Z.-1-031104)
OC4(7)
a)
Additional Permitted Use:
i)
Showroom with ancillary retail sales.
b)
Definition:
"SHOWROOM WITH ANCILLARY RETAIL SALES" mean all or
part of a building used for the purpose of displaying wares and
goods within an existing building and would allow a limited range of
ancillary retail sales associated with the showroom, but shall not
include any type of retail store as defined in the by-law.
(Z.-1-051331)
OC4(8)
(Z.-1-051342)(deleted by Z.-1-061527)
OC4(9)
a)
Additional Permitted Use:
i)
Personal service establishments and offices in existing
buildings, limited to 50 square metres (538 square feet) on the
main floor.
(Z-1-051399)
e)
OC5 Zone Variation
OC5(1)
a)
Permitted Uses:
i)
Offices related to St. Joseph's Health Services Association
of London Incorporated operations within the existing
building.
b)
Regulations:
i)
The minimum lot area, minimum lot frontage and setback
regulations of the compound Residential Zone shall apply
within this zone.
ii)
Off-street parking in the rear yard shall only be permitted
when all residential uses within this zone have ceased.
iii)
Rear yard parking and vehicular access to and from land on
the west will be prohibited until residential uses cease on the
land fronting on Wellington Street.
(O.M.B. File Nos. R 910387 and R 910504 - Appeal #9007-4
June 4, 1993)
Page 8 of 12
OC5(2)
a)
Regulation:
i)
The use of the lands shall be limited to one (1)
medical/dental practitioner.
(O.M.B. File No. Z 920041 - February 22, 1994 - Z.-1-94270)
OC5(3)
a)
Additional Permitted Use:
i)
An animal hospital within the existing building.
(Z.-1-00809)
OC5(4)
a)
Additional Permitted Use:
i)
Personal service establishment within the existing building.
(Z.-1-00810)
OC5(5)
a)
Regulations:
i)
Notwithstanding the regulations of Section 17.3 (1), the
existing building may be enlarged for only a 2nd floor addition
up to a maximum Gross Floor Area of 233 square metres
(2,510 square feet) for the entire building and the enlarged
area may be used as a leasable building component.
ii)
Notwithstanding the regulations of 17.3 (3) an increase in lot
area and lot depth are permitted.
(Z.-1-031090 - O.M.B. File No. R 030074 - Decision No. 0969,
Order Issue Date: July 17, 2003)
OC5(6)
a)
Permitted Uses:
i)
Wellness Centres;
ii)
Dwelling Units.
b)
Regulations
i)
Total Gross Floor
529 m2 (5,694 sq.ft.)
Area (Maximum)
ii)
Parking Ratio for
1 space per 26 m2
Wellness Centre
(280 sq.ft.)
(Minimum)
iii)
Notwithstanding the regulations of Section 17.3(1) and
Section 17.3(3) or any other Section of this By-law to the
contrary, on lands zoned OC5(6) enlargement to leasable
building components of the existing structure is permitted to
a maximum total gross floor area (existing building plus
additions) of 529m2 (5,694 sq.ft.).
iv)
For the purpose of a Wellness Centre, required parking
spaces may be permitted on an adjacent lot within 150.0
metres (490) feet of the main pedestrian access of the
building, structure or use for which the parking spaces are
required, provided a Site Plan Agreement is registered on
title of the lands used for parking committing said parking
spaces to the related commercial site.
v)
All regulations not specified in this OC special provision zone
will be determined based on the zone(s) to which the OC5(6)
Zone is compounded.
(Z.-1-061543)
Page 9 of 12
OC5(7)
a)
Additional Permitted Uses:
i)
Personal Service Establishment.
b)
Regulations:
i)
Gross Floor Area
33.4 m2
(Maximum)
(360 ft2)
Personal Service Establishment -
ii)
The person service establishment use will be required to
provide 2 off-street parking spaces.
iii)
Off-street parking for all uses will be permitted in the front
yard and the exterior side yard.
iv)
The 3 metre (9.8 ft) setback from the front yard and exterior
side yard will be taken from the existing road allowance and
not the ultimate road allowance as stated in Section 4.
(Z.-1-061560)
OC5(8)
a)
Additional Permitted Uses:
i)
An animal hospital within the existing building with no
outdoor storage or outdoor kennel.
(Z.-1-071652)
OC5(9)
a)
Permitted Uses:
i)
Wellness Centre;
ii)
Dwelling Units.
b)
Regulations:
i)
Gross Floor Area
(Maximum)
Wellness Centre: Limited to the first storey of the existing
building 247 m2 (2,659 square feet)
ii)
Parking Ration for
1 space per 26 m2
Wellness Centre
(280 sq. ft.)
(Minimum)
(Z.-1-081808)
OC5(10)
520 Dundas Street
a)
Additional Permitted Use:
i)
Surface parking accessory to the funeral home use
(Z.-1-112016)
OC5(11)
1448 Adelaide Street North
a)
Additional Permitted Use
i)
Personal service establishment within the existing building.
b)
Regulations
i)
Parking
25 spaces
(minimum)
ii)
Rear yard parking area
0.4 metre (1.31 feet)
setback from south
lot line
(minimum)
Page 10 of 12
iii)
Rear yard parking area
1.5 metres (4.92 feet)
setback from north
lot line
(minimum)
iv)
Driveway width for
3.5 metres (11.48 feet)
access to rear yard
parking area
(minimum)
(Z.-1-172551)
OC5(12)
905 Adelaide Street North
a)
Regulations:
i)
Front Yard Setback
0.0 meters
(minimum)
ii)
Parking
5.0 spaces
(minimum)
(Z.-1-172584)
OC5(13)
448 Oxford Street East
a)
Additional Permitted Uses
i)
Office, medical/dental, together with at least one dwelling
unit
b)
Regulation[s]
i)
Parking
12 spaces for all uses on
(Minimum)
site
ii)
Exterior Side Yard Depth
2.8 metres
(Minimum):
(Z.-1-202812)
OC5(14)
526 Oxford Street East
a)
Additional Permitted Use
i)
Personal Service Establishment
b)
Regulations:
i)
Number of parking spaces
4
for all permitted uses
(Minimum):
ii)
Parking Area Setback from
0.0m
Required road allowance
(Minimum):
iii)
Gross floor area for
140m²
Personal Service
Establishment use
(Maximum):
(Z.-1-212929)
OC5(15)
506 Oxford Street East
a)
Additional Permitted Use:
i)
Pharmacy
Page 11 of 12
b)
Regulations:
i)
Yard Depth
2.3 m
(min.)
ii)
Interior Yard Depth
1.2 m
(min.)
iii)
Lot Coverage %
16 %
(max.)
iv)
Landscaped Area
2 %
(min.)
v)
Parking Area Coverage
74%
(max.)
vi)
Parking Area Setback
0 m
(min.)
(Z.-1-222990)
OC5(16)
757 Southdale Road East
a)
Regulations
i) Exterior Side Yard Setback (minimum) - as existing from the
ultimate road allowance
ii) Interior Side Yard Setback (minimum) - 3.9 metres
iii) Parking as existing on the day of the passing of the by-law
(Z.-1-243241)
OC5(17)
1368 Oxford Street East
a)
Regulations
i)
Notwithstanding Section 4.19.4) b), a maximum of five (5)
parking spaces may be permitted within the front yard.
(Z.-1-243243)
OC5(18)
227 Riverside Drive
a)
Regulations
i) Parking Area Coverage (maximum) - 55%
ii) Front Yard Depth (minimum) - 0.0 metres to the existing
building on the date of the passing of the by-law
iii) West Interior Side Yard Depth (minimum) - 1.2 metres to the
existing building on the date of the passing of the by-law (Z.-1-
263462)
f)
OC6 Zone Variation
OC6(1)
a)
Regulations:
i)
Lot frontage is defined as frontage onto an arterial road;
ii)
The existing vehicular access shall remain as long as the
existing building(s) remain.
(O.M.B. File #O 930014/Z 930015 - Appeal #9903 June 4, 1993)
OC6(2)
854 Richmond Street
a)
Additional Permitted Uses:
Page 12 of 12
i)
Boutiques;
ii)
Hairdressing Establishments.
(Z.-1-93211)
OC6(3)
a)
Regulations:
i)
Section 17.3 (3) does not apply.
(Z.-1-02973)
OC6(4)
783 Richmond Street
a)
Regulations:
i)
Parking requirement for
As Existing
commercial and office uses
(Z.-1-122115)
OC6(5)
745-747 Waterloo Street
a)
Regulations:
i)
Permitted Uses within the Office Conversion Zone shall be
restricted to the ground floor of the existing building at 745
Waterloo Street and to the entirety of the existing building at
747 Waterloo Street
ii)
Parking Spaces
8 for all permitted uses on
(Minimum):
the property
iii)
Landscaped Area
14% for all permitted uses
(Minimum):
on the property
(Z.-1-182695)
g)
OC7 Zone Variation
OC7(1)
607 Queens Avenue
b) Additional Permitted Uses
i)
Restaurant; eat-in & take-out services
c) Regulations
i)
West Interior Side Yard Setback
0.0 metres
(Minimum)
(0.0 feet)
ii)
East Exterior Side Yard Setback
2.0 metres
(Minimum)
(6.5 feet)
iii)
Landscaped Open Space
14%
(Minimum)
iv)
Parking Area Coverage
51%
(Maximum)
v)
Front Yard Parking
2 spaces
(Z.-1-233161)