258 Blackthorn Ave

Building permits

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

• Plumbing

  Plumbing - Construct underpinning to the existing dwelling (56.02 lm)

  Applied Jan 21, 2019 · issued Jan 21, 2019 · completed Jul 29, 2019 · Permit 19 101558 PLB

  Closed

• Small residential project · Underpinning

  Construct underpinning to the existing dwelling (56.02 lm)

  Applied Jan 7, 2019 · issued Jan 16, 2019 · completed Jul 3, 2019 · Permit 19 101558 BLD

  Closed

• Drains and site services

  Drain - Construct underpinning to the existing dwelling (56.02 lm)

  Applied Jan 7, 2019 · issued Jan 16, 2019 · completed Jul 29, 2019 · Permit 19 101558 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

• 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).

  160 m away · filed Nov 24, 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).

  60 m away · filed Jul 10, 2024 · Approved

• 66 Innes Ave · Minor variance

  To alter the existing one-storey detached dwelling by constructing a complete second storey addition. Also, to remove the enclosed front porch and construct a covered front porch.

  250 m away · filed May 31, 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.

  100 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.

  210 m away · filed Oct 28, 2021 · Approved

• 35 Turnberry Ave · Minor variance

  To construct a new rear detached garage.

  250 m away · filed Aug 31, 2021 · Approved

• 152 Gilbert Ave · Minor variance

  To alter the existing two-storey semi-detached dwelling by constructing a front two-storey addition.

  230 m away · filed Jul 15, 2019 · Approved

Everything planned in Davenport