Toronto address · Ward 9, Davenport
63 Blackthorn Ave
The City of Toronto has 1 building permit since 2017 (1 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
Small residential project · Walk-Out stair
Proposal to construct basement walk-out at rear.
Applied May 30, 2012 · issued Jul 26, 2012 · Permit 12 183227 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
- Under review
20-36 Caledonia Road and 1500-1536 St Clair Avenue West
17 storeys · Mixed use
260 m away · Condominium · Under review · filed Oct 25, 2021
- Under review
21 storeys · 330 homes · Mixed use
300 m away · Rezoning · Under review · filed Dec 18, 2025
- Under review
17 storeys · 258 homes · Mixed use
300 m away · Site plan · Under review · filed Jun 24, 2022
- Under review
18 storeys · 211 homes · Mixed use
330 m away · Rezoning · Under review · filed Jun 20, 2025
Neighbours’ Committee of Adjustment files within 250 m
7 Howick Ave · Minor variance
To legalize and to maintain the rear second storey addition (including a staircase leading to this addition), to the existing two-storey semi-detached dwelling, that was constructed without an authorized building permit.
90 m away · filed Apr 24, 2026 · Approved
20 Howick Ave · Minor variance
To construct a new three-storey detached dwelling with a covered front porch with stairs, a side (east) second storey patio, a rear ground floor deck, and a rear third storey deck. Also, to construct a rear one-storey detached ancillary building (shed). The existing front yard parking pad and driveway will be removed.
120 m away · filed Apr 9, 2026 · Approved
17 Gilbert Ave · Minor variance
To legalize and to maintain the existing rear one-storey addition (attached shed), which was constructed without an authorized building permit. Also, to convert the existing basement level into a residential dwelling unit. There will be a total of two residential dwelling units on this lot (one unit occupying the ground and second levels, and one unit occupying the basement level).
240 m away · filed Mar 2, 2026 · Approved
113 Silverthorn Ave · Minor variance
To alter the existing one-storey ancillary building (detached one-car garage) by constructing a rooftop deck (above the existing garage), and rooftop access stairs at the west side of the building.
210 m away · filed Jul 15, 2025 · Refused
66 Silverthorn Ave · Minor variance
To alter the existing two-storey semi-detached dwelling by replacing the front yard parking space with an exterior staircase (which will lead to all levels and the rooftop).
190 m away · filed Jun 24, 2025 · Approved
37 Blackthorn Ave · Minor variance
To alter the existing two-storey detached dwelling by constructing a partial rear third storey addition, and a front third storey rooftop deck (above the second storey portion of the dwelling).
70 m away · filed Jun 13, 2025 · Approved
37 Blackthorn Ave · Minor variance
To alter the existing two-storey detached dwelling by constructing a third storey addition with a deck (above a portion of the second storey of this dwelling).
70 m away · filed Aug 22, 2024 · Approved
28 Gilbert Ave · Minor variance
To legalize and to maintain the existing side (north) second storey addition (above the rear covered porch), which was constructed without an authorized building permit. Also, to maintain the enclosed front porch, the side (north) carport canopy and parking space, the rear canopy, and the rear one-storey ancillary buildings (sheds).
230 m away · filed Mar 28, 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.