Toronto address · Ward 5, York South-Weston

393 Blackthorn Ave

The City of Toronto has 6 building permits since 2017 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.

Heating and ventilation
HVAC - Proposal to construct a rear second-storey addition to existing one-storey detached dwelling.
Applied Aug 8, 2019 · issued Aug 16, 2019 · completed Jul 23, 2020 · Permit 19 124821 HVA
Closed
Plumbing
Plumbing - Proposal to construct a rear second-storey addition to existing one-storey detached dwelling.
Applied Mar 12, 2019 · issued Mar 27, 2019 · completed Jul 23, 2020 · Permit 19 124821 PLB
Closed
Small residential project · Addition(s)
Proposal to construct a rear second-storey addition to existing one-storey detached dwelling.
Applied Mar 12, 2019 · issued Mar 27, 2019 · completed Jul 31, 2020 · Permit 19 124821 BLD
Closed
Heating and ventilation
**REVISION: Furnace relocation and add new supply branch** HVAC - To construct a one storey rear yard addition and interior alterations to a detached SFD
Applied Sep 4, 2008 · issued Sep 8, 2008 · completed Jul 23, 2020 · Permit 07 240105 HVA (revision 01)
Closed
Heating and ventilation
HVAC - To construct a one storey rear yard addition and interior alterations to a detached SFDFeb. 25th/08 revision to interior layout
Applied Feb 25, 2008 · issued Feb 29, 2008 · completed Jul 23, 2020 · Permit 07 240105 HVA
Closed
Plumbing
Plumbing - To construct a one storey rear yard addition and interior alterations to a detached SFD
Applied Jul 6, 2007 · issued Jul 10, 2007 · completed Jul 23, 2020 · Permit 07 240105 PLB
Closed

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.

Minor variance · R addition
To construct a second storey rear addition.
Decision: Approved (hearing Jan 24, 2019)
Filed Nov 15, 2018 · File A0833/18EYK
Closed

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

14 Haverson Blvd · Minor variance
To construct a second storey addition above the existing dwelling.
250 m away · filed Jul 31, 2026 · Approved
343 Blackthorn Ave · Minor variance
To construct a new fourplex and a new as of right garden suite in the rear.
190 m away · filed May 8, 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.
240 m away · filed Oct 17, 2025 · Approved
380 Caledonia Rd · Consent
To obtain consent to sever the property into five residential lots.
250 m away · filed Jun 2, 2025 · Postponed
380 Caledonia Rd · Minor variance
To construct a three-storey detached dwelling with an integral garage, a front porch with canopy and stairs, a rear basement walkout, a rear deck with stairs and a front and rear third storey balcony.
250 m away · filed May 6, 2025 · Postponed
380 Caledonia Rd · Minor variance
To construct a three-storey detached dwelling with an integral garage, a front porch with canopy and stairs, a rear basement walkout, a rear deck with stairs and a front and rear third storey balcony.
250 m away · filed May 6, 2025 · Postponed
380 Caledonia Rd · Minor variance
To construct a three-storey detached dwelling with an integral garage, a front porch with canopy and stairs, a rear basement walkout, a rear deck with stairs and a front and rear third storey balcony.
250 m away · filed May 6, 2025 · Postponed
380 Caledonia Rd · Minor variance
To construct a three-storey detached dwelling with an integral garage, a front porch with canopy and stairs, a rear basement walkout, a rear deck with stairs and a front and rear third storey balcony.
250 m away · filed May 6, 2025 · Postponed

Everything planned in York South-Weston

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.