253 Silverthorn Ave

Building permits

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

• Small residential project · Change of use

  Rev 01 - Add exits to the first floor, and second floor to a roof terrace. Fire protection for basement exit. Alterations are to remove needed fire protected window requirements under 25-247638 BLD 00 SR.Proposal for interior alterations to convert existing 2 residential units to 3 residential units (no change to the footprint of building)

  Applied Mar 23, 2026 · issued Apr 17, 2026 · completed Jun 25, 2026 · Permit 25 247638 BLD (revision 01)

  Closed

• Small residential project · Change of use

  Proposal for interior alterations to convert existing 2 residential units to 3 residential units (no change to the footprint of building)

  Applied Oct 31, 2025 · issued Feb 2, 2026 · completed Jun 25, 2026 · 3 homes added · Permit 25 247638 BLD

  Closed

• Plumbing

  Plumbing - Proposal for interior alterations to convert single family dwelling to a 2 unit dwelling.

  Applied Oct 1, 2025 · issued Oct 1, 2025 · completed Jan 16, 2026 · Permit 25 210631 PLB

  Closed

• Drains and site services

  Drain - Proposal for interior alterations to convert single family dwelling to a 2 unit dwelling.

  Applied Oct 1, 2025 · issued Oct 1, 2025 · completed Jan 16, 2026 · Permit 25 210631 DRN

  Closed

• Drains and site services · Back water valve (Sewer only)

  Proposal to install a backwater valve.

  Applied Sep 24, 2025 · issued Sep 24, 2025 · completed Jun 26, 2026 · Permit 25 229880 DRN

  Closed

• Small residential project · Multiple projects

  Proposal for interior alterations to convert single family dwelling to a 2 unit dwelling.

  Applied Aug 14, 2025 · issued Sep 10, 2025 · completed Jan 19, 2026 · 1 home added · Permit 25 210631 BLD

  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

• 44 Rowntree Ave · Minor variance

  To convert the existing rear one-storey detached ancillary building into a two-storey ancillary building (containing a two-car garage on the ground level, and one garden suite that will occupy the rear portion of the ground level and the second level), by constructing a second storey addition, and a two-storey addition along the rear (north) and side (east) portion of the building. 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).

  150 m away · filed Nov 24, 2025 · Approved

• 43 Turnberry Ave · Minor variance

  To legalize and to maintain the reconstruction of a complete second storey addition, and the construction of a rear two-storey addition (including a basement extension below), and front and rear covered porches with stairs, which were all constructed beyond an authorized building permit.

  220 m away · filed Feb 21, 2025 · Approved

• 249 Silverthorn Ave · Minor variance

  To alter the existing two-storey detached dwelling by constructing a rear two-storey addition, new front and rear covered verandahs with stairs, front and rear basement walkouts, and front and rear second storey balconies. Also, to construct a new two-storey detached ancillary building (containing one garden suite which will occupy both levels), in the rear yard of the property. There will be a total of four residential dwelling units on this lot (three dwelling units within the main house and one dwelling unit within the ancillary building).

  10 m away · filed Jul 10, 2024 · Approved

• 291 Silverthorn Ave · Minor variance

  To alter the existing two-storey mixed-use building ('Retail (Butcher) Store') by construct a new one-storey rear addition.

  110 m away · filed Jul 21, 2022 · Approved

• 289 Blackthorn Ave · Minor variance

  To alter the existing two-storey townhouse dwelling by constructing a two-storey rear addition with a ground floor deck, and to reconstruct the front porch stairs. The existing one-storey rear addition will be demolished.

  140 m away · filed May 3, 2022 · Approved

• 167 Rosethorn Ave · Minor variance

  To alter the existing three-storey detached dwelling by re-constructing the rear two-storey addition and constructing a rear ground floor deck, a rear second storey balcony with exterior stair access to the rear deck, and a rear third storey balcony. Further, a new secondary suite will be created for a total two units within the building.

  190 m away · filed Oct 28, 2021 · Approved

• 176 Rosethorn Ave · Minor variance

  To alter the existing two-storey semi-detached dwelling by constructing a new front porch and a front basement walkout and converting the basement into a secondary suite.

  230 m away · filed Sep 16, 2021 · Approved

• 35 Turnberry Ave · Minor variance

  To construct a new rear detached garage.

  200 m away · filed Aug 31, 2021 · Approved

Everything planned in Davenport