Toronto address · Ward 5, York South-Weston
151 William St
The City of Toronto has 5 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.
- Closed
Heating and ventilation
HVAC - Proposal to construct a new 2 storey sfd dwelling.
Applied Mar 29, 2017 · issued Apr 28, 2017 · completed Oct 26, 2018 · Permit 17 136258 HVA
- Closed
Plumbing
Plumbing - Proposal to construct a new 2 storey sfd dwelling.
Applied Mar 29, 2017 · issued Apr 28, 2017 · completed Feb 4, 2019 · Permit 17 136258 PLB
- Closed
New house · New building
Proposal to construct a new 2 storey sfd dwelling.
Applied Mar 29, 2017 · issued Apr 28, 2017 · completed Feb 4, 2019 · 1 home added · Permit 17 136258 BLD
- Closed
Demolition
Proposal to demolish existing sfd.
Applied Mar 29, 2017 · issued Apr 28, 2017 · completed Jul 28, 2017 · Permit 17 136288 DEM
- Closed
Drains and site services
Drain - Proposal to construct a new 2 storey sfd dwelling.
Applied Mar 29, 2017 · issued Apr 28, 2017 · completed Oct 26, 2018 · Permit 17 136258 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 detached dwelling with an attached garage.
Decision: Approved (hearing Feb 23, 2017)
Filed Jan 17, 2017 · File A0039/17EYK
What’s planned nearby
Development sites within 500 m
- Under review
14 storeys · Mixed use
370 m away · Rezoning · Under review · filed Mar 11, 2026
- Under review
53 storeys · 463 homes · Mixed use
460 m away · Site plan · Under review · filed Sep 21, 2021
Neighbours’ Committee of Adjustment files within 250 m
34 Patika Ave · Minor variance
To construct a two-storey rear addition.
180 m away · filed Nov 6, 2025 · Approved
223 John St · Minor variance
To construct a new detached dwelling with an attached garage.
140 m away · filed Feb 12, 2025 · Approved
245 John St · Minor variance
To construct a new detached dwelling with an attached garage.
240 m away · filed Apr 27, 2022 · Approved
245 John St · Minor variance
To construct a new detached dwelling with an attached garage.
240 m away · filed Apr 27, 2022 · Approved
245 John St · Consent
To obtain consent to sever the property into two undersized residential lots.
240 m away · filed Apr 27, 2022 · Approved
53 Boyd Ave · Minor variance
To construct a two-storey rear addition.
230 m away · filed Nov 12, 2019 · Approved
122 William St · Minor variance
To maintain two secondary suites within the existing dwelling.
110 m away · filed May 24, 2018 · Approved
24 Patika Ave · Minor variance
To construct a detached garage in the rear yard.
100 m away · filed Sep 22, 2017 · 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.