Toronto address · Ward 4, Parkdale-High Park

345 Sunnyside Ave

The City of Toronto has 9 building permits since 2017 (9 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.

Small residential project · Addition(s)
Revision 02: BASEMENT INTERIOR ALTERATIONS, FIRST AND SECOND FLOOR INTERIOR ALTERATIONS (20m2) REAR FIRST FLOOR DECK ALTERATIONS AND REAR DECK ROOFRevision 1: Extend the basement with underpinning (l=6.8m) the newly poured footings and foundations for the rear addition.Proposal for two storey rear addition
Applied Aug 19, 2026 · issued Sep 10, 2026 · Permit 25 202815 BLD (revision 02)
Revision issued
Heating and ventilation
HVAC - Proposal for two storey rear addition
Applied Jul 21, 2026 · issued Sep 8, 2026 · Permit 25 202815 HVA
Permit issued
Plumbing
Revision 1: Extend the basement with underpinning (l=6.8m) the newly poured footings and foundations for the rear addition.Plumbing - Proposal for two storey rear addition
Applied Nov 28, 2025 · issued Dec 12, 2025 · Permit 25 202815 PLB (revision 01)
Revision issued
Small residential project · Addition(s)
Revision 1: Extend the basement with underpinning (l=6.8m) the newly poured footings and foundations for the rear addition.Proposal for two storey rear addition
Applied Nov 28, 2025 · issued Dec 16, 2025 · Permit 25 202815 BLD (revision 01)
Revision issued
Small residential project · Addition(s)
Proposal for two storey rear addition
Applied Jul 30, 2025 · issued Nov 27, 2025 · Permit 25 202815 BLD
Inspections under way
Plumbing
Plumbing - Proposal for two storey rear addition
Applied Jul 30, 2025 · issued Nov 27, 2025 · Permit 25 202815 PLB
Inspections under way
Drains and site services
Drain - Proposed basement underpinning, interior alterations and drain work.
Applied Jul 8, 2025 · issued Jul 25, 2025 · Permit 25 190171 DRN
Permit issued
Plumbing
Plumbing - Proposed basement underpinning, interior alterations and drain work.
Applied Jul 8, 2025 · issued Jul 25, 2025 · Permit 25 190171 PLB
Permit issued
Small residential project · Multiple projects
Proposed basement underpinning, interior alterations and drain work.
Applied Jul 8, 2025 · issued Jul 25, 2025 · Permit 25 190171 BLD
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 · New R building
To alter the existing two-and-one-half-storey detached dwelling by constructing a rear two-storey addition To alter the existing two-and-one-half-storey detached dwelling by constructing a rear two-storey addition (with a flat roof), and a rear ground floor deck with stairs. The existing one-storey ancillary building (garage), in the rear yard, will be maintained and unaltered.
Decision: Approved (hearing Oct 22, 2025)
Filed Aug 29, 2025 · File A0671/25TEY
Closed

What’s planned nearby

Development sites within 500 m

6 Howard Park Avenue
11 storeys · 130 homes · Mixed use
450 m away · Condominium · Under review · filed Nov 8, 2021
Under review

Neighbours’ Committee of Adjustment files within 250 m

15 Constance St · Minor variance
110 m away · filed Sep 24, 2026 · Accepted
374 Sunnyside Ave · Minor variance
To alter the existing two-and-one-half-storey detached dwelling by constructing a rear two-storey addition, a north side third storey dormer addition, a new enclosed front porch with a canopy and stairs, and a rear covered porch with stairs.
160 m away · filed Aug 5, 2026 · Tentatively scheduled
350 Sunnyside Ave · Minor variance
To alter the existing two-and-one-half-storey detached dwelling by constructing a rear one-storey addition with a new rear roof deck above. The existing partial one-storey ground floor addition with roof deck above will be demolished.
60 m away · filed Nov 26, 2025 · Approved
294 Roncesvalles Ave · Minor variance
To permit a wellness centre (located in the basement and ground floor) in the existing two-and-one-half-storey mixed-use building that contains two dwelling units (located on the second and third floor).
170 m away · filed Jan 19, 2024 · Approved
147 Westminster Ave · Minor variance
To alter the existing two-storey detached dwelling by constructing a third storey addition, a rear two-storey addition, rear roof decks on the second and third floors, and a rear ground level deck. The existing detached garage at the rear will remain unaltered.
250 m away · filed Dec 11, 2023 · Approved
141 Geoffrey St · Minor variance
To alter the existing two-and-one-half-storey detached dwelling by constructing a rear two-storey addition with a rear ground floor patio and stairs. Also, to construct a one-storey ancillary building (detached garage with a west side deck and stairs) in the rear yard.
180 m away · filed Jul 24, 2023 · Approved
155 Grenadier Rd · Minor variance
To construct a new one-storey detached ancillary building (garage), in the rear yard, abutting the laneway.
70 m away · filed Apr 19, 2023 · Approved
294 Roncesvalles Ave · Minor variance
To convert a portion of the existing two-and-one-half-storey detached dwelling from a ground floor and basement florist use to a ground floor eating establishment (café/restaurant) with basement food storage areas. The existing two residential units on the second and third levels will be maintained and unaltered.
170 m away · filed Mar 22, 2023 · Refused

Everything planned in Parkdale-High Park

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.