Toronto address · Ward 12, Toronto-St. Paul's
142 Duplex Ave
The City of Toronto has 3 building permits since 2017 (3 still open) 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.
- Inspections under way
Heating and ventilation
HVAC - Addition to 1st floor and deck
Applied May 7, 2013 · issued May 17, 2013 · Permit 13 150309 HVA
- Inspections under way
Small residential project · Multiple projects
Addition to 1st floor and deck
Applied Apr 15, 2013 · issued May 7, 2013 · Permit 13 150309 BLD
- Inspections under way
Plumbing
Plumbing - Addition to 1st floor and deck
Applied Apr 15, 2013 · issued May 7, 2013 · Permit 13 150309 PLB
Committee of Adjustment
No applications to the City's Committee of Adjustment for this address since 2017. That's where an owner asks for a minor variance (a small exception to the zoning by-law) or a consent to divide a lot.
What’s planned nearby
Development sites within 500 m
- Approved
2010-2050 Yonge Street and 15 Lola Road
14 storeys · Mixed use
200 m away · Rezoning · Approved · filed Jan 7, 2026
- Under review
14 storeys · 274 homes · Mixed use
200 m away · Site plan · Under review · filed Nov 8, 2021
- Under review
49 storeys · 552 homes · Residential
200 m away · Site plan · Under review · filed Jul 10, 2025
- Under review
- Under review
40-50 Tullis Drive and 2039-2049 Yonge Street
11 storeys · Mixed use
250 m away · Site plan · Under review · filed Aug 22, 2022
- Under review
19 storeys · 228 homes · Mixed use
340 m away · Site plan · Under review · filed Oct 8, 2021
Neighbours’ Committee of Adjustment files within 250 m
71 Lascelles Blvd · Minor variance
To construct a new three-storey detached dwelling with a rear third storey balcony Also, to construct a front widened driveway and a new one-storey ancillary building (cabana) in the rear yard.
160 m away · filed Apr 13, 2026 · Approved
88 Colin Ave · Minor variance
To construct a new three-storey detached dwelling with a front covered porch with stairs, a front integral garage, a rear ground floor porch, and a rear third-storey balcony. Also, to construct a one-storey ancillary building (cabana) in the rear yard of the property.
100 m away · filed Jan 13, 2026 · 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.
40 m away · filed Nov 10, 2025 · Approved
2100 Yonge St · Consent
To obtain consent to a strata severance and to create various easements/rights-of-way.
190 m away · filed Feb 14, 2025 · Approved
188 Duplex Ave · Minor variance
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.
210 m away · filed Mar 5, 2024 · Approved
67 Colin Ave · Minor variance
To construct a new three-storey detached dwelling with a front integrated garage, a front porch, a front bay window, a front second storey balcony, a rear basement walkout, a rear ground level deck, and a rear third storey balcony. Also, to construct a front driveway.
100 m away · filed Nov 28, 2023 · Approved
52 Manor Rd W · Minor variance
To construct a new one-storey ancillary building (carport) in the rear yard, abutting Duplex Avenue.
50 m away · filed Jun 9, 2023 · Approved
91 Colin Ave · Minor variance
To alter the existing two-storey detached dwelling by constructing a two-storey side (south) addition, rear two-storey addition with a rear ground floor deck, and a rear second storey balcony.
60 m away · filed Jan 19, 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.