Toronto address · Ward 5, York South-Weston
666 Trethewey Dr
The City of Toronto has 6 building permits since 2017 (6 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
Small residential project · New laneway / rear yard suite
Revision: to reflect as built conditions
Applied Jun 18, 2026 · issued Jul 23, 2026 · 1 home added · Permit 25 268290 BLD (revision 01)
- Revision issued
Heating and ventilation
REV 01: Revised layoutHVAC - Proposal for a new garden suite.
Applied May 21, 2026 · issued Jun 4, 2026 · Permit 25 268290 HVA (revision 01)
- Inspections under way
Plumbing
Plumbing - Proposal for a new garden suite.
Applied Dec 19, 2025 · issued Feb 4, 2026 · Permit 25 268290 PLB
- Inspections under way
Small residential project · New laneway / rear yard suite
Proposal for a new garden suite.
Applied Dec 19, 2025 · issued Feb 4, 2026 · 1 home added · Permit 25 268290 BLD
- Inspections under way
Heating and ventilation
HVAC - Proposal for a new garden suite.
Applied Dec 19, 2025 · issued Feb 18, 2026 · Permit 25 268290 HVA
- Inspections under way
Drains and site services
Drain - Proposal for a new garden suite.
Applied Dec 19, 2025 · issued Feb 18, 2026 · Permit 25 268290 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 garden suite in the rear yard.
Decision: Approved (hearing Aug 14, 2025)
Filed Mar 24, 2025 · File A0135/25EYK
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
28 Hearst Crcl · Minor variance
To construct a detached garage in the rear yard.
90 m away · filed Jun 26, 2019 · Approved
18 The Wishbone · Minor variance
To construct a two-storey rear addition and a second storey addition above the existing dwelling.
190 m away · filed Mar 13, 2019 · Approved
1 Chiswick Ave · Minor variance
To maintain the existing driveway.
80 m away · filed Mar 8, 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.