343 Sunnyside Ave

Building permits

Every permit the City lists for this address since 2017, and any still open from before, newest first.

• Small residential project · Accessory Building(s)

  Proposed new detached garage in rear yard.

  Applied Nov 25, 2025 · issued Nov 27, 2025 · completed Jul 14, 2026 · Permit 25 258155 BLD

  Closed

• Heating and ventilation

  Revision 01 as per bubbled areasHVAC - Proposal to construct a front and rear addition, interior alterations, basement underpinning, thrid floor roof deck, and front and rear porches

  Applied Oct 4, 2019 · issued Oct 9, 2019 · completed Feb 13, 2020 · Permit 19 125466 HVA (revision 01)

  Closed

• Heating and ventilation

  HVAC - Proposal to construct a front and rear addition, interior alterations, basement underpinning, thrid floor roof deck, and front and rear porches

  Applied Jul 22, 2019 · issued Jul 26, 2019 · completed Feb 13, 2020 · Permit 19 125466 HVA

  Closed

• Drains and site services

  Drain - Proposal to construct a front and rear addition, interior alterations, basement underpinning, thrid floor roof deck, and front and rear porches

  Applied Jun 18, 2019 · issued Jun 18, 2019 · completed Feb 13, 2020 · Permit 19 125466 DRN

  Closed

• Plumbing

  Plumbing - Proposal to construct a front and rear addition, interior alterations, basement underpinning, thrid floor roof deck, and front and rear porches

  Applied Mar 14, 2019 · issued Apr 15, 2019 · completed Feb 11, 2020 · Permit 19 125466 PLB

  Closed

• Small residential project · Multiple projects

  Proposal to construct a front and rear addition, interior alterations, basement underpinning, thrid floor roof deck, and front and rear porches

  Applied Mar 14, 2019 · issued Apr 15, 2019 · completed Feb 11, 2020 · Permit 19 125466 BLD

  Closed

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 2½-storey detached dwelling by constructing a two storey addition at the southeast corner, a front two-storey addition, a rear third storey addition with a rear third floor deck, and enclose the front porch.

  Decision: Approved (hearing Nov 21, 2018)

  Filed Jan 8, 2018 · File A0025/18TEY

  Closed

What’s planned nearby

Development sites within 500 m

• 6 Howard Park Avenue

  11 storeys · 130 homes · Mixed use

  460 m away · Condominium · Under review · filed Nov 8, 2021

  Under review

Neighbours’ Committee of Adjustment files within 250 m

• 15 Constance St · Minor variance

  120 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.

  170 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.

  70 m away · filed Nov 26, 2025 · Approved

• 289 Roncesvalles Ave · Minor variance

  To alter the existing three-storey mixed-use building by constructing rear second and third storey additions (above the existing ground level that will be partially reconstructed with a new rear basement addition below), a complete fourth storey addition with front and rear balconies, a rear basement walkout, a south side second storey balcony, as well as rooftop access for maintenance from two staircase enclosures and one elevator enclosure (located above the fourth level). There will be a total of one commercial unit and six residential dwelling units on this lot (one commercial unit occupy…

  250 m away · filed Sep 11, 2025 · Approved

• 345 Sunnyside Ave · Minor variance

  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.

  10 m away · filed Aug 29, 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.

  230 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.

  170 m away · filed Jul 24, 2023 · Approved

Everything planned in Parkdale-High Park