Toronto address · Ward 9, Davenport
323 Blackthorn Ave
The City of Toronto has 1 building permit since 2017 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
Small residential project · Garage
new concrete garage
Applied Sep 21, 2005 · issued Sep 21, 2005 · completed Jan 2, 2026 · Permit 05 182519 BLD
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
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.
130 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.
150 m away · filed May 8, 2026 · Approved
44 Rowntree Ave · Minor variance
To convert the existing rear one-storey detached ancillary building into a two-storey ancillary building (containing a two-car garage on the ground level, and one garden suite that will occupy the rear portion of the ground level and the second level), by constructing a second storey addition, and a two-storey addition along the rear (north) and side (east) portion of the building. There will be a total of two residential dwelling units on this lot (one unit within the main dwelling and one unit within the ancillary building).
200 m away · filed Nov 24, 2025 · Approved
201 Gilbert Ave · Minor variance
To construct a new one-storey detached ancillary building (one-car garage) in the rear yard of the existing two-storey dwelling, abutting the laneway.
240 m away · filed May 12, 2025 · Approved
225 Gilbert Ave · Minor variance
To alter the existing two-storey semi-detached dwelling by constructing a two-storey rear and side (north) addition, a side (north) basement walkout, and a rear ground floor deck.
220 m away · filed Feb 26, 2024 · Approved
195 Gilbert Ave · Minor variance
To construct a new one-storey ancillary building (detached garage), in the rear yard, abutting the laneway. The existing garage in the rear yard will be demolished.
250 m away · filed Dec 29, 2023 · Approved
320 Silverthorn Ave · Minor variance
To alter the existing two-storey detached dwelling (within the Commercial/Residential (CR) zone) by constructing a rear two-storey addition with ground and second storey rear balconies, and a side (south) parking pad. Also, to alter the existing storage shed located in the rear yard.
120 m away · filed May 12, 2023 · Approved
357 Silverthorn Ave · Minor variance
To construct a new dwelling with an integral garage.
140 m away · filed Aug 11, 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.