Toronto address · Ward 9, Davenport
450 Dufferin St
The City of Toronto has 15 building permits since 2017 (11 still open) and 1 Committee of Adjustment file 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.
- Not started
Heating and ventilation · Other
Proposed geothermal work associated with construction of 20 storey mixed-use building with 6 affordable units.
Applied Sep 23, 2026 · Permit 26 242552 MSA
- Open
Development charges deferral
Deferred Fees from folder 26 217711 (RSN-5895900) ZoningProcess RSN 80570585
Applied Sep 14, 2026 · Permit 26 217711 BLD
- Not started
Partial permit · Partial permit - foundation
Part Permit - Proposal for a 20 storey mixed use residential building with 183 units, underground parking and a mechanical room.
Applied Aug 28, 2026 · Permit 26 217711 FND
- Not started
Partial permit · Partial permit - structural framing
Part Permit - Proposal for a 20 storey mixed use residential building with 183 units, underground parking and a mechanical room.
Applied Aug 28, 2026 · Permit 26 217711 STR
- Not started
Partial permit · Partial permit - shoring
Part Permit - Proposal for a 20 storey mixed use residential building with 183 units, underground parking and a mechanical room.
Applied Aug 28, 2026 · Permit 26 217711 SHO
- Not started
Heating and ventilation
HVAC - Proposal for a 20 storey mixed use residential building with 183 units, underground parking and a mechanical room.
Applied Aug 11, 2026 · Permit 26 217711 HVA
- Not started
Drains and site services · Inside and outside drains
Drain - Proposal for a 20 storey mixed use residential building with 183 units, underground parking and a mechanical room.
Applied Aug 11, 2026 · Permit 26 217711 STS
- Not started
Plumbing
Plumbing - Proposal for a 20 storey mixed use residential building with 183 units, underground parking and a mechanical room.
Applied Aug 11, 2026 · Permit 26 217711 PLB
- Not started
Drains and site services
Drain - Proposal for a 20 storey mixed use residential building with 183 units, underground parking and a mechanical room.
Applied Aug 11, 2026 · Permit 26 217711 DRN
- Under review
New building
Proposal for a 20 storey mixed use residential building with 183 units, with two levels of underground parking and a mechanical room.
Applied Aug 11, 2026 · Permit 26 217711 BLD
- Inspections under way
Demolition
Proposed demolition of an existing non-residential building for a future 20-storey mixed-use rental building. See 25 186189 STE 09 SA
Applied Apr 2, 2026 · issued May 27, 2026 · Permit 26 138117 DEM
- Cancelled
Plumbing
Plumbing - Proposal for interior alterations for new commercial school/muay thai studio (Group D) on ground floor of existing 1 storey building.
Applied Sep 12, 2018 · completed Jan 11, 2019 · Permit 18 224220 PLB
Show 3 more permits
- Cancelled
Addition or alteration · Interior alterations
Proposal for interior alterations for new commercial school/muay thai studio (Group D) on ground floor of existing 1 storey building. Existing use was industrial (custom workshop and showroom).
Applied Sep 12, 2018 · completed Jan 11, 2019 · Permit 18 224220 BLD
- Cancelled
Heating and ventilation
HVAC - Proposal for interior alterations for new commercial school/muay thai studio (Group D) on ground floor of existing 1 storey building.
Applied Sep 12, 2018 · completed Jan 11, 2019 · Permit 18 224220 HVA
- Closed
Addition or alteration · Interior alterations
Proposal for interior alterations to existing industrial use building for custom workshop (picture framing) and showroom building (15m2)
Applied Nov 21, 2012 · issued Dec 17, 2012 · completed Jul 17, 2018 · Permit 12 282393 BLD
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 · Other
To alter the development standards (as approved under Site Specific Zoning By-Law 254-2025) for a 18-storey mixed-use building (62 m in building height) by increasing the number of storeys and building height to 20-storeys (62.5 m), increasing the mechanical penthouse height from 67 m to 67.3 m, increasing the height projections of equipment and structures, increasing the permitted total gross floor area and residential gross floor area, as well as reducing the amenity space and bicycle parking rate. There will be a total of 197 rental residential dwelling units (6 affordable rental units), 3…
Decision: Approved (hearing Jan 21, 2026)
Filed Nov 17, 2025 · File A0835/25TEY
What’s planned nearby
Development sites within 500 m
- Under review
18 storeys · 176 homes · Mixed use
20 m away · Site plan · Under review · filed Jun 30, 2025
- Under review
6 storeys · 28 homes · Residential
280 m away · Site plan · Under review · filed Dec 10, 2021
- Under review
12 storeys · 169 homes · Mixed use
300 m away · Condominium · Under review · filed Dec 16, 2021
- Approved
27 storeys · 362 homes · Mixed use
310 m away · Site plan · Approved · filed Apr 21, 2023
- Under review
3 storeys · 2 homes · Residential
360 m away · Condominium · Under review · filed Jan 19, 2024
- Under review
29 storeys · 768 homes · Mixed use
450 m away · Site plan · Under review · filed Aug 31, 2022
Neighbours’ Committee of Adjustment files within 250 m
109 Gladstone Ave · Minor variance
180 m away · filed Mar 16, 2026 · Postponed
78 Gladstone Ave · Minor variance
To legalize and to maintain the existing three-storey semi-detached dwelling (fourplex) with front steps, rear second and third floor balconies, and a rear basement walkout (currently under construction, as approved by Minor Variance Application A1102/19TEY) by reconstructing the north wall of the dwelling that was demolished without an authorized building permit. Also, to alter the existing two-storey ancillary building containing one laneway suite (currently under construction, as approved by Minor Variance Application A1102/19TEY), abutting the laneway and Alma Avenue by increasing the hei…
160 m away · filed Mar 20, 2025 · Approved
11 Peel Ave · Consent
To obtain consent for a stratified severance of an existing non-residential (retail) unit (34 Minowan Miikan Lane) located on the Ground Floor, Parking Level 1, and Parking Level 2 (within a 6 to 12-storey mixed-use building) into three separate ownership retail units. Also, to maintain the existing easements/rights-of-way.
200 m away · filed Jan 10, 2025 · Approved
19 Alma Ave · Minor variance
To construct a new two-storey ancillary building (to contain one laneway suite with a carport and a roof access staircase, abutting the laneway), in the rear yard of the existing two-storey townhouse dwelling. There will be a total of three residential dwelling units on this lot (two units within the main dwelling and one unit within the ancillary building).
120 m away · filed Dec 5, 2024 · Refused
86 Gladstone Ave · Minor variance
To alter the existing two-storey semi-detached dwelling by constructing a rear one-storey addition. There will be two residential dwelling units (one in the basement and one to occupy the first and second levels) within this dwelling (duplex).
140 m away · filed Nov 4, 2024 · Approved
524 Dufferin St · Minor variance
To alter the existing two- storey dwelling by demolishing the rear one-storey addition and constructing a new two-storey addition. Also, to construct a partial third storey addition with a rear balcony.
160 m away · filed Aug 30, 2023 · Approved
104 Northcote Ave · Minor variance
To legalize and to maintain the rear third storey addition with juliette balconies, which was constructed without an authorized building permit.
230 m away · filed Mar 14, 2023 · Approved
25 Alma Ave · Minor variance
To alter the existing rear one-storey ancillary building (attached garage) by constructing a complete one-and-one-half-storey addition to accommodate a car lift for two parking spaces.
110 m away · filed Dec 2, 2022 · 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.