Toronto address · Ward 12, Toronto-St. Paul's
188 Duplex Ave
The City of Toronto has 6 building permits since 2017 and 2 Committee of Adjustment files on record for this address.
Building permits
Every permit the City lists for this address since 2017, and any still open from before, newest first.
- Closed
New house · New building
Revision 01. Revision to existing building permit. Height has increased and third floor size has increased. Proposed demolition of an existing single family dwelling to construct a new 3-Storey single family detached dwelling with an integral 1-car garage accessed from the front main wall.
Applied Jan 11, 2024 · issued May 23, 2024 · completed Nov 28, 2025 · Permit 22 242842 BLD (revision 01)
- Closed
Drains and site services
Drain - Proposed demolition of an existing single family dwelling to construct a new 3-Storey single family detached dwelling with an integral 1-car garage accessed from the front main wall.
Applied Oct 17, 2023 · issued Oct 18, 2023 · completed Oct 2, 2024 · Permit 22 242842 DRN
- Closed
Heating and ventilation
HVAC - Proposed demolition of an existing single family dwelling to construct a new 3-Storey single family detached dwelling with an integral 1-car garage accessed from the front main wall.
Applied May 2, 2023 · issued May 15, 2023 · completed Jan 24, 2025 · Permit 22 242842 HVA
- Closed
Plumbing
Plumbing - Proposed demolition of an existing single family dwelling to construct a new 3-Storey single family detached dwelling with an integral 1-car garage accessed from the front main wall.
Applied Dec 28, 2022 · issued Mar 2, 2023 · completed Dec 6, 2024 · Permit 22 242842 PLB
- Closed
New house · New building
Proposed demolition of an existing single family dwelling to construct a new 3-Storey single family detached dwelling with an integral 1-car garage accessed from the front main wall.
Applied Dec 28, 2022 · issued Jan 27, 2023 · completed Nov 28, 2025 · 1 home added · Permit 22 242842 BLD
- Closed
Demolition
Proposed demolition of an existing single family dwelling to construct a new 3-Storey single family detached dwelling with an integral 1-car garage accessed from the front main wall.
Applied Dec 28, 2022 · issued Apr 27, 2023 · completed Oct 19, 2023 · 1 home removed · Permit 22 242768 DEM
Committee of Adjustment
This address's applications to the City's Committee of Adjustment since 2017, and any still open. A minor variance asks for a small exception to the zoning by-law, such as a little more height or a smaller setback; a consent divides a lot or grants an easement.
- Closed
Minor variance · New R building
To alter the new three-storey detached dwelling (currently under construction, as approved under Decision Number A0307/22TEY) by increasing the building height and gross floor area.
Decision: Approved (hearing Apr 24, 2024)
Filed Mar 5, 2024 · File A0236/24TEY
- Closed
Minor variance · New R building
To construct a new three-storey detached dwelling with a front integral garage, a covered front porch, a rear ground floor deck, and a third storey terrace.
Decision: Approved (hearing Jul 27, 2022)
Filed Mar 10, 2022 · File A0307/22TEY
What’s planned nearby
Development sites within 500 m
- Under review
49 storeys · 552 homes · Residential
110 m away · Site plan · Under review · filed Jul 10, 2025
- Under review
- Under review
2180-2210 Yonge Street and 20-46 Berwick Avenue
65 storeys · 2,892 homes · Mixed use
240 m away · Rezoning · Under review · filed Dec 23, 2022
- Approved
- Under review
59 storeys · 613 homes · Mixed use
310 m away · Site plan · Under review · filed Apr 29, 2022
- Under review
65 storeys · 663 homes · Mixed use
310 m away · Condominium · Under review · filed Nov 4, 2021
Neighbours’ Committee of Adjustment files within 250 m
9 Maxwell Ave · Minor variance
To construct a new front yard parking pad, abutting Maxwell Avenue.
80 m away · filed Aug 27, 2026 · Postponed
2161 Yonge St · Minor variance
To alter the development standards for the 38-storey mixed-use building (approved under Site Specific Zoning By-Law 153-2022(OLT)), to permit six obstructed parking spaces with a reduced width (located on parking levels P1 to P5).
250 m away · filed Jun 15, 2026 · Approved
52 Anderson Ave · Minor variance
To alter the existing two-storey detached dwelling by constructing a rear two-storey addition (including a basement extension) with a rear ground level deck with stairs.
230 m away · filed Dec 17, 2025 · Approved
53 Manor Rd W · Minor variance
To alter the existing two-storey semi-detached dwelling by constructing a rear (south) two-storey addition with a deck and stairs, and a side (west) entrance (abutting Duplex Avenue). The existing rear deck will be demolished.
230 m away · filed Nov 10, 2025 · Approved
2161 Yonge St · Minor variance
To alter the development standards (as approved under Site Specific Zoning By-law 153-2022(OLT)) for a 38-storey mixed-use building by increasing the residential gross floor area (for a total of 380 residential dwelling units), reducing the commercial (office) gross floor area, and reducing the number of required parking spaces. Also, to permit a home occupation use (personal service shop) within the building, and to reduce the required width of 4 obstructed parking spaces.
250 m away · filed Jun 17, 2024 · Approved
5 Maxwell Ave · Minor variance
To alter the existing two-storey detached dwelling by converting the attached garage into habitable space, and to construct a one-storey addition (above this garage) with a second storey deck extension. Also, this dwelling will contain a total of four dwelling units.
60 m away · filed Sep 8, 2023 · Approved
52 Manor Rd W · Minor variance
To construct a new one-storey ancillary building (carport) in the rear yard, abutting Duplex Avenue.
170 m away · filed Jun 9, 2023 · Approved
2161 Yonge St · Minor variance
To alter Site Specific Zoning By-law 153-2022 (Ontario Land Tribunal (OLT)) to increase the mixed-use building height, increase the total maximum gross floor area, increase the total residential gross floor area, and reduce the minimum length of 26 parking spaces.
250 m away · filed Feb 21, 2023 · Approved
From the City of Toronto’s open data: building permits (active, and cleared since 2017), Committee of Adjustment applications and address points, this record updated Sep 29, 2026, and the development sites from its Development Applications data. Contains information licensed under the Open Government Licence – Toronto. Construction cost estimates and contractors’ names are left out on purpose, and nothing here names an owner.