351 Silverthorn Ave

Building permits

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

• Addition or alteration · Addition(s)

  Revision 01. Removal of requirement for fire alarm system.

  Applied Dec 6, 2019 · issued Jan 8, 2020 · completed Aug 26, 2021 · Permit 17 130009 BLD (revision 01)

  Closed

• Addition or alteration · Addition(s)

  To construct new 1 storey front addition to existing place of worship.

  Applied Mar 16, 2017 · issued May 3, 2017 · completed Aug 26, 2021 · Permit 17 130009 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

• 308 Silverthorn Ave · Minor variance

  To construct a new one-storey ancillary building (shed), in the rear yard of the property. The existing rear one-storey ancillary building (shed), with an interlock pad, will be demolished/removed.

  130 m away · filed Jun 9, 2026 · Approved

• 343 Blackthorn Ave · Minor variance

  To construct a new fourplex and a new as of right garden suite in the rear.

  110 m away · filed May 8, 2026 · Approved

• 451 Rogers Rd · Minor variance

  To construct a new four-storey semi-detached mixed-use building (with a mezzanine level above the ground floor and cantilevered portions of the second, third and fourth storeys at the front and west sides of the building) with a covered front entrance, a rooftop staircase access enclosure (for maintenance), rear balconies on the second, third and fourth storeys with a rear exterior access staircase, and a rear basement walkout. Long-term bicycle parking spaces will be provided within the dwelling units. There will be a total of four residential dwelling units, and one commercial unit within t…

  190 m away · filed Feb 18, 2026 · Approved

• 449 Rogers Rd · Minor variance

  To construct a new four-storey semi-detached mixed-use building (with a mezzanine level above the ground floor and cantilevered portions of the second, third and fourth storeys at the front and east sides of the building) with a covered front entrance, a rooftop staircase access enclosure (for maintenance), rear balconies on the second, third and fourth storeys with a rear exterior access staircase, and a rear basement walkout. Long-term bicycle parking spaces will be provided within the dwelling units. There will be a total of four residential dwelling units, and one commercial unit within t…

  180 m away · filed Feb 18, 2026 · Approved

• 81 Aileen Ave · Minor variance

  To construct a new fourplex.

  240 m away · filed Jan 29, 2026 · Approved

• 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).

  250 m away · filed Nov 24, 2025 · Approved

• 405 Silverthorn Ave · Minor variance

  To construct a new two-storey garden suite in the rear yard that will include an attached garage. The existing detached garage and shed will be demolished.

  240 m away · filed Oct 17, 2025 · Approved

• 212 Chambers Ave · Consent

  To obtain consent to sever a portion of the land for the purpose of a lot addition.

  240 m away · filed Nov 7, 2024 · Approved

Everything planned in York South-Weston