Toronto address · Ward 5, York South-Weston
357 Silverthorn Ave
The City of Toronto has 4 building permits since 2017 (3 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.
- Issuance pending
New house · New building
Proposal to construct a 3 storey 3 unit Triplex.
Applied Jun 27, 2024 · 3 homes added · Permit 24 170928 BLD
- Issuance pending
Drains and site services
Drain - PROPOSED 3-STOREY HOUSE
Applied Jun 27, 2024 · Permit 24 170928 DRN
- Issuance pending
Plumbing
Plumbing - PROPOSED 3-STOREY HOUSE
Applied Jun 27, 2024 · Permit 24 170928 PLB
- Closed
Demolition
Proposed demolition of the existing house
Applied Jul 5, 2021 · issued May 13, 2022 · completed Jun 17, 2025 · Permit 21 179629 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 construct a new dwelling with an integral garage.
Decision: Approved (hearing Sep 15, 2022)
Filed Aug 11, 2022 · File A0417/22EYK
What’s planned nearby
Development sites within 500 m
No rezoning, site plan, subdivision or condominium file open within 500 m, and no pre-construction project on the site.
Neighbours’ Committee of Adjustment files within 250 m
308 Silverthorn Ave · Minor variance
To construct a new one-storey ancillary building (shed), in the rear yard of the property. The existing rear one-storey ancillary building (shed), with an interlock pad, will be demolished/removed.
160 m away · filed Jun 9, 2026 · Approved
343 Blackthorn Ave · Minor variance
To construct a new fourplex and a new as of right garden suite in the rear.
100 m away · filed May 8, 2026 · Approved
451 Rogers Rd · Minor variance
To construct a new four-storey semi-detached mixed-use building (with a mezzanine level above the ground floor and cantilevered portions of the second, third and fourth storeys at the front and west sides of the building) with a covered front entrance, a rooftop staircase access enclosure (for maintenance), rear balconies on the second, third and fourth storeys with a rear exterior access staircase, and a rear basement walkout. Long-term bicycle parking spaces will be provided within the dwelling units. There will be a total of four residential dwelling units, and one commercial unit within t…
200 m away · filed Feb 18, 2026 · Approved
449 Rogers Rd · Minor variance
To construct a new four-storey semi-detached mixed-use building (with a mezzanine level above the ground floor and cantilevered portions of the second, third and fourth storeys at the front and east sides of the building) with a covered front entrance, a rooftop staircase access enclosure (for maintenance), rear balconies on the second, third and fourth storeys with a rear exterior access staircase, and a rear basement walkout. Long-term bicycle parking spaces will be provided within the dwelling units. There will be a total of four residential dwelling units, and one commercial unit within t…
190 m away · filed Feb 18, 2026 · Approved
81 Aileen Ave · Minor variance
To construct a new fourplex.
220 m away · filed Jan 29, 2026 · Approved
405 Silverthorn Ave · Minor variance
To construct a new two-storey garden suite in the rear yard that will include an attached garage. The existing detached garage and shed will be demolished.
220 m away · filed Oct 17, 2025 · Approved
402 Blackthorn Ave · Minor variance
To enclose the existing rear porch.
250 m away · filed Mar 18, 2025 · Approved
212 Chambers Ave · Consent
To obtain consent to sever a portion of the land for the purpose of a lot addition.
250 m away · filed Nov 7, 2024 · 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.