1640 Dufferin St

Building permits

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

• Heating and ventilation

  Revision 01 - Changes to the interior duct work layout.HVAC - Proposed interior alterations (Basement = 52.17 sqmm.; first and second = 52.17 sqm. each), third storey and rear 3 storey addition ( 161.99 sqm.), basement walkout & concrete deck, detached garage.

  Applied Jun 5, 2024 · issued Jul 15, 2024 · completed Feb 10, 2026 · Permit 22 116435 HVA (revision 01)

  Closed

• Small residential project · Multiple projects

  Proposal for interior alterations to create 3 dwelling units & proposed rear metal stairs

  Applied Nov 8, 2023 · completed Oct 17, 2025 · 1 home added · Permit 23 223920 BLD

  Cancelled

• Plumbing

  Plumbing - Proposal for interior alterations to create 3 dwelling units & proposed rear metal stairs

  Applied Nov 8, 2023 · completed Oct 17, 2025 · Permit 23 223920 PLB

  Cancelled

• Heating and ventilation

  HVAC - Proposed interior alterations (Basement = 52.17 sqmm.; first and second = 52.17 sqm. each), third storey and rear 3 storey addition ( 161.99 sqm.), basement walkout & concrete deck, detached garage.

  Applied Feb 23, 2022 · issued May 17, 2022 · completed Feb 10, 2026 · Permit 22 116435 HVA

  Closed

• Plumbing

  Plumbing - Proposed interior alterations (Basement = 52.17 sqmm.; first and second = 52.17 sqm. each), third storey and rear 3 storey addition ( 161.99 sqm.), basement walkout & concrete deck, detached garage.

  Applied Feb 23, 2022 · issued May 17, 2022 · completed Feb 18, 2026 · Permit 22 116435 PLB

  Closed

• Small residential project · Multiple projects

  Proposed interior alterations (Basement = 52.17 sqmm.; first and second = 52.17 sqm. each), third storey and rear 3 storey addition ( 161.99 sqm.), basement walkout & concrete deck, detached garage.

  Applied Feb 23, 2022 · issued May 17, 2022 · completed Oct 8, 2024 · 2 homes added · Permit 22 116435 BLD

  Closed

• Drains and site services

  Drain - Proposed interior alterations (Basement = 52.17 sqmm.; first and second = 52.17 sqm. each), third storey and rear 3 storey addition ( 161.99 sqm.), basement walkout & concrete deck, detached garage.

  Applied Feb 23, 2022 · issued May 17, 2022 · completed Feb 18, 2026 · Permit 22 116435 DRN

  Closed

• Small residential project · Underpinning

  Revision - change final height from 8' to 8'3"

  Applied Mar 10, 2021 · issued Mar 18, 2021 · completed Jan 29, 2026 · Permit 20 194246 BLD (revision 01)

  Closed

• Plumbing

  Plumbing - Underpin the existing dwelling.

  Applied Jan 7, 2021 · issued Jan 7, 2021 · completed Jan 29, 2026 · Permit 20 194246 PLB

  Closed

• Drains and site services

  Drain - Underpin the existing dwelling.

  Applied Jan 7, 2021 · issued Jan 7, 2021 · completed Jul 13, 2025 · Permit 20 194246 DRN

  Closed

• Small residential project · Underpinning

  Underpin the existing dwelling.

  Applied Sep 16, 2020 · issued Oct 16, 2020 · completed Jan 29, 2026 · Permit 20 194246 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 · Other

  To convert the existing single family, two-storey detached dwelling into a two-unit, three-storey detached dwelling by constructing a rear two-storey addition, a full third-storey addition, a rear basement walkout, a rear ground floor deck, and rear second and third storey balconies. A new rear detached garage will also be constructed.

  Decision: Approved (hearing Nov 17, 2021)

  Filed Apr 15, 2021 · File A0947/21TEY

  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

• 47 Northcliffe Blvd · Minor variance

  To alter the existing three-storey detached dwelling by constructing a rear one-storey addition (sunroom). The existing rear one-storey ancillary building (garage) will be maintained and unaltered.

  230 m away · filed Feb 7, 2025 · Approved

• 26 Mackay Ave · Minor variance

  To legalize and to maintain the existing rear detached garage which was constructed without the benefit of a permit.

  110 m away · filed May 10, 2022 · Approved

• 45 Via Italia · Minor variance

  To alter the existing two-storey semi-detached dwelling by constructing a front basement walkout in order to provide direct access to the secondary suite within the basement.

  240 m away · filed Apr 7, 2022 · Approved

• 156 Rosemount Ave · Minor variance

  To legalize and maintain a front basement walkout of the existing 2½-storey semi-detached dwelling.

  90 m away · filed Oct 5, 2021 · Approved

• 1626 Dufferin St · Minor variance

  To convert the existing triplex into a fourplex. The proposal includes constructing a fourth storey addition with front and rear balconies. Also, the garage will be converted for bicycle parking spaces.

  40 m away · filed Jun 18, 2021 · Approved

• 32 Peterborough Ave · Minor variance

  To alter the existing two-storey detached dwelling by constructing a rear two-storey addition and to convert the one-unit building to a two-unit building.

  200 m away · filed Mar 23, 2021 · Approved

• 44 Peterborough Ave · Minor variance

  To alter the two-storey detached house by constructing a front three-storey addition and a front basement walkout.

  220 m away · filed Aug 20, 2020 · Approved

• 74 Westmount Ave · Minor variance

  To construct a two-storey rear addition, a partial third storey rear addition, second and third storey rear platforms, a new rear yard deck and to legalize the existing second secondary suite.

  130 m away · filed Aug 23, 2018 · Approved

Everything planned in Davenport