1800 Dufferin St

Building permits

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

• Small residential project · Party wall admin permits

  Administrative permit for work being done at 1802 Dufferin (20-179308)

  Applied Aug 12, 2020 · issued Aug 21, 2020 · completed Feb 16, 2024 · Permit 20 179311 BLD

  Closed

• Small residential project · Underpinning

  REV 01: Revision to underpinning plan and new basement walkoutUnderpinning of existing Semi-Detached has per applicant the Party wall already is underpiined.

  Applied Dec 13, 2016 · issued Dec 20, 2016 · completed Sep 14, 2020 · Permit 16 230100 BLD (revision 01)

  Closed

• Plumbing

  Plumbing - Underpinning of existing Semi-Detached has per applicant the Party wall already is underpiined.

  Applied Sep 28, 2016 · issued Oct 21, 2016 · completed Sep 14, 2020 · Permit 16 230100 PLB

  Closed

• Small residential project · Underpinning

  Underpinning of existing Semi-Detached has per applicant the Party wall already is underpiined.

  Applied Sep 28, 2016 · issued Oct 21, 2016 · completed Sep 14, 2020 · Permit 16 230100 BLD

  Closed

• Drains and site services

  Drain - Underpinning of existing Semi-Detached has per applicant the Party wall already is underpiined.

  Applied Sep 28, 2016 · issued Oct 21, 2016 · completed Sep 14, 2020 · Permit 16 230100 DRN

  Closed

Committee of Adjustment

No applications to the City's Committee of Adjustment for this address since 2017. That's where an owner asks for a minor variance (a small exception to the zoning by-law) or a consent to divide a lot.

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

• 133 Boon Ave · Minor variance

  To legalize and to maintain the rear fourth storey addition with a rooftop terrace (on the roof of the third storey), of the existing three-and-one-half-storey semi-detached dwelling (basement level is considered the first storey), that was constructed without an authorized building permit. Also, to permit the rear two-storey addition (located at the rear of the second and third storeys of the dwelling) that was constructed beyond the limits of an authorized building permit (19 212470 BLD 00 SR).

  230 m away · filed Jun 4, 2026 · Approved

• 75 Sellers Ave · Minor variance

  To alter the existing two-storey detached dwelling by constructing a rear basement walkout, a rear one-storey addition with a rear ground floor deck and stairs, and a rear second storey balcony. Also, to construct a new one-storey ancillary building (two-car garage), in the rear yard, abutting the laneway. This garage will be in full compliance with the zoning by-law(s).

  250 m away · filed Nov 4, 2025 · Approved

• 247 Westmount Ave · Minor variance

  To alter the existing one-storey detached dwelling by constructing a complete second storey addition (including a window projection at the north side). Also, to reconstruct the existing rear deck with stairs. There will be two residential dwelling units on this lot.

  170 m away · filed Apr 3, 2025 · Approved

• 173 Northcliffe Blvd · Minor variance

  To construct a new two-storey ancillary building (containing one parking space on the ground level and one garden suite on the second storey) in the rear yard of the existing two-storey detached dwelling. The existing garage in the rear yard will be demolished.

  240 m away · filed Jun 1, 2023 · Approved

• 17 Day Ave · Minor variance

  To alter the existing two-storey semi-detached dwelling by constructing a rear one-storey addition and new stairs.

  160 m away · filed Apr 25, 2023 · Withdrawn

• 249 Westmount Ave · Minor variance

  To alter the existing one-storey detached dwelling by constructing a front one-storey addition with a porch, a complete second storey addition, a rear two-storey addition, a rear second storey balcony, a rear ground floor deck, and a basement secondary suite.

  180 m away · filed Jan 9, 2023 · Approved

• 51 Ascot Ave · Minor variance

  To convert the existing one-storey ancillary building (detached garage in the rear yard, abutting St. Clair Gardens) into a two-storey ancillary building (containing a two-car garage on the ground level, and one garden suite that will occupy the second level), by constructing a complete second storey addition with two second storey side (west) juliette balconies. There will be a total of two residential dwelling units on this lot (one unit within the main dwelling and one unit within the ancillary building).

  180 m away · filed Oct 28, 2022 · Approved

• 149 Boon Ave · Minor variance

  To construct a two-storey laneway suite (with an integral garage) at the rear of the existing three-storey detached dwelling.

  240 m away · filed Aug 24, 2022 · Approved

Everything planned in Davenport