Toronto address · Ward 9, Davenport
48 Silverthorn Ave
The City of Toronto has 6 building permits since 2017 (2 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.
- Revision issued
Heating and ventilation
Revision 01 - changes to mechancial layoutHVAC - Proposal for new 3 storey Single Family Dwelling - Detached House
Applied Apr 20, 2022 · issued Apr 28, 2022 · Permit 21 218450 HVA (revision 01)
- Inspections under way
Heating and ventilation
HVAC - Proposal for new 3 storey Single Family Dwelling - Detached House
Applied Sep 28, 2021 · issued Dec 6, 2021 · Permit 21 218450 HVA
- Closed
Plumbing
Plumbing - Proposal for new 3 storey Single Family Dwelling - Detached House
Applied Sep 28, 2021 · issued Dec 6, 2021 · completed Sep 24, 2026 · Permit 21 218450 PLB
- Closed
New house · New building
Proposal for new 3 storey Single Family Dwelling - Detached House
Applied Sep 28, 2021 · issued Dec 6, 2021 · completed Sep 24, 2026 · 1 home added · Permit 21 218450 BLD
- Closed
Demolition
Proposal to demolish existing 2 storey detached dwelling
Applied Sep 28, 2021 · issued Dec 6, 2021 · completed Jan 7, 2022 · 1 home removed · Permit 21 218451 DEM
- Closed
Drains and site services
Drain - Proposal for new 3 storey Single Family Dwelling - Detached House
Applied Sep 28, 2021 · issued Dec 6, 2021 · completed Sep 24, 2026 · Permit 21 218450 DRN
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.
Decision: Approved (hearing Jul 22, 2021)
Filed Mar 24, 2021 · File A0393/21TEY
What’s planned nearby
Development sites within 500 m
- Under review
45 storeys · 1,151 homes · Mixed use
390 m away · Site plan · Under review · filed Apr 29, 2022
- Under review
39 storeys · 1,951 homes · Mixed use
400 m away · Site plan · Under review · filed Apr 25, 2022
- Under review
20-36 Caledonia Road and 1500-1536 St Clair Avenue West
17 storeys · Mixed use
440 m away · Condominium · Under review · filed Oct 25, 2021
- Under review
21 storeys · 330 homes · Mixed use
440 m away · Rezoning · Under review · filed Dec 18, 2025
- Under review
17 storeys · 258 homes · Mixed use
440 m away · Site plan · Under review · filed Jun 24, 2022
- Under review
27 storeys · 321 homes · Residential
470 m away · Site plan · Under review · filed Apr 29, 2022
Neighbours’ Committee of Adjustment files within 250 m
88 Howick Ave · Minor variance
To alter the existing two-storey detached dwelling by constructing a rear two-storey addition (including a basement level), a rear first floor deck with stairs, and a rear second floor rooftop deck.
150 m away · filed Aug 10, 2026 · Hearing scheduled
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.
140 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.
190 m away · filed Apr 9, 2026 · Approved
47 Cloverdale Rd · Minor variance
To alter the existing one-storey ancillary building (detached garage), in the rear yard, abutting Cloverdale Road, by constructing a complete second storey addition (to contain one garden suite). 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), and two parking spaces within the altered ancillary building.
90 m away · filed Jul 30, 2025 · 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.
190 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).
30 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).
210 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).
210 m away · filed Aug 22, 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.