Toronto address · Ward 5, York South-Weston
43 William St
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 · Underpinning
Proposed basement underpinning to single family dwelling.
Applied May 13, 2009 · issued May 15, 2009 · Permit 09 137776 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
- Under review
53 storeys · 463 homes · Mixed use
410 m away · Site plan · Under review · filed Sep 21, 2021
- Under review
- Under review
45 storeys · Mixed use
470 m away · Site plan · Under review · filed Apr 19, 2022
- Under review
45 storeys · 562 homes · Mixed use
500 m away · Site plan · Under review · filed Dec 23, 2022
Neighbours’ Committee of Adjustment files within 250 m
29 William St · Minor variance
To construct a two storey rear addition, a second storey addition above the existing dwelling, and an attached garage along the west side of the dwelling.
30 m away · filed Feb 28, 2025 · Deferred
15 Springmount Ave · Minor variance
To construct a new triplex dwelling.
100 m away · filed Apr 10, 2024 · Approved
105 John St · Minor variance
To construct a two-storey rear addition and to enclose an existing front porch.
90 m away · filed Sep 6, 2023 · Approved
46 William St · Minor variance
To construct a second storey addition above the existing dwelling, a two-storey rear addition and a new two-storey ancillary building in the rear yard which contains a garage located on the first storey and a garden suite located on the second storey.
30 m away · filed May 3, 2023 · Approved
92 John St · Minor variance
To construct a second storey addition, a side entry at west elevation and a front balcony.
140 m away · filed Jan 25, 2023 · Approved
45 William St · Minor variance
To construct a garden suite in the rear yard.
10 m away · filed Jan 13, 2023 · Refused
25 William St · Minor variance
To construct a new detached dwelling with an attached garage. A previous Committee of Adjustment application (A0406/20EYK) approved variances related to floor space index and side yard setback.
50 m away · filed Dec 19, 2022 · Approved
5 Wadsworth Blvd · Minor variance
To construct a new detached dwelling. A previous TLAB decision (TLAB Case File Number 20 112603 S45 05 TLAB) approved variances relating to lot area and lot frontage.
90 m away · filed Apr 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.