Toronto address · Ward 20, Scarborough Southwest

23 Commonwealth Ave

The City of Toronto has 7 building permits since 2017 (7 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.

Heating and ventilation
HVAC Revision 01 - New heating system proposed for entire dwelling. -------------------------------------------------------------------------HVAC - Proposal for new two storey addition and finished basement
Applied Aug 18, 2026 · issued Sep 3, 2026 · Permit 25 248229 HVA (revision 01)
Revision issued
Plumbing
Revision to convert basement to a second suite.Plumbing - Proposal for new two storey addition and finished basement
Applied May 15, 2026 · issued May 15, 2026 · Permit 25 248229 PLB (revision 01)
Revision issued
Small residential project · Multiple projects
Revision to convert basement into a secondary suite.Proposal for new two storey addition and finished basement
Applied May 15, 2026 · issued Aug 4, 2026 · Permit 25 248229 BLD (revision 01)
Revision issued
Plumbing
Plumbing - Proposal for new two storey addition and finished basement
Applied Nov 3, 2025 · issued Nov 20, 2025 · Permit 25 248229 PLB
Inspections under way
Drains and site services
Drain - Proposal for new two storey addition and finished basement
Applied Nov 3, 2025 · issued Nov 20, 2025 · Permit 25 248229 DRN
Inspections under way
Small residential project · Multiple projects
Proposal for new two storey addition and finished basement
Applied Nov 3, 2025 · issued Nov 20, 2025 · Permit 25 248229 BLD
Inspections under way
Heating and ventilation
HVAC - Proposal for new two storey addition and finished basement
Applied Nov 3, 2025 · issued Dec 1, 2025 · Permit 25 248229 HVA
Inspections under way

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.

Minor variance · R addition
To alter the existing two-storey dwelling by enclosing the front porch and constructing a rear yard two-storey addition with a rear yard deck.
Decision: Approved (hearing Jul 9, 2025)
Filed May 7, 2025 · File A0104/25SC
Closed

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

23 Huntington Ave · Minor variance
To construct an addition to the rear of the existing detached garage.
100 m away · filed Jun 9, 2026 · Hearing scheduled
45 Commonwealth Ave · Minor variance
To construct a new two-storey detached building (triplex) with a front covered porch, front ground floor balcony, front second storey balcony, rear ground floor deck, rear second storey balcony and rear basement walkout. The existing one-storey detached dwelling will be demolished.
150 m away · filed Mar 24, 2025 · Approved
24 Winter Ave · Minor variance
To construct a new two-storey detached dwelling with a secondary suite in the basement. There will be a total of two dwelling units on the lot.
250 m away · filed Jan 15, 2025 · Approved
60 Huntington Ave · Consent
To obtain consent to sever the existing lot into two new residential lots. Cross reference Minor Variance applications A0006/25SC and A0005/25SC being considered jointly.
250 m away · filed Dec 31, 2024 · Refused
60 Huntington Ave · Minor variance
To construct a new three-storey fourplex. Cross reference Consent and Minor Variance Applications A0006/25SC and B0003/25SC being considered jointly.
250 m away · filed Dec 31, 2024 · Refused
60 Huntington Ave · Minor variance
To construct a new three-storey fourplex. Cross reference Consent and Minor Variance Applications A0006/25SC and B0003/25SC being considered jointly.
250 m away · filed Dec 31, 2024 · Refused
854 Danforth Rd · Minor variance
To demolish the existing dwelling, to construct a new 3-storey detached dwelling and a garden suite in the rear yard.
200 m away · filed Oct 11, 2023 · Approved
898 Danforth Rd · Minor variance
To construct a second storey addition to existing dwelling.
160 m away · filed Mar 20, 2023 · Approved

Everything planned in Scarborough Southwest

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.