Toronto address · Ward 11, University-Rosedale
12 Montrose Ave
The City of Toronto has 3 building permits since 2017 and 1 Committee of Adjustment file on record for this address.
Building permits
Every permit the City lists for this address since 2017, and any still open from before, newest first.
- Closed
Heating and ventilation
HVAC - Proposal to construct addition (15.11m2), interior alterations to convert 2-unit dwelling to 3-unit dwelling (253.47m2), one new basement walkout, one new deck, and three new balconies. See related ZC file 17-226474, C of A file A1023/17TEY, and TLAB file 18-131841.
Applied Jan 30, 2020 · issued Mar 3, 2020 · completed Jul 29, 2020 · Permit 18 230794 HVA
- Closed
Plumbing
Plumbing - Proposal to construct addition (15.11m2), interior alterations to convert 2-unit dwelling to 3-unit dwelling (253.47m2), one new basement walkout, one new deck, and three new balconies. See related ZC file 17-226474, C of A file A1023/17TEY, and TLAB file 18-131841.
Applied Sep 5, 2019 · issued Sep 18, 2019 · completed Jul 29, 2020 · Permit 18 230794 PLB
- Closed
Small residential project · Multiple projects
Proposal to construct addition (15.11m2), interior alterations to convert 2-unit dwelling to 3-unit dwelling (253.47m2), one new basement walkout, one new deck, and three new balconies. See related ZC file 17-226474, C of A file A1023/17TEY, and TLAB file 18-131841.
Applied Sep 24, 2018 · issued Jan 7, 2019 · completed Jul 29, 2020 · 1 home added · Permit 18 230794 BLD
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.
- Closed
Minor variance · R addition
To alter the existing three-storey detached dwelling containing two units by constructing a third storey addition, rear ground, second, and third storey decks, a new front porch and a rear basement walkout. The altered detached dwelling will contain three residential dwelling units.
Decision: Refused (hearing Feb 28, 2018)
Filed Sep 20, 2017 · File A1023/17TEY
What’s planned nearby
Development sites within 500 m
- Under review
10 storeys · 74 homes · Residential
340 m away · Site plan · Under review · filed Apr 1, 2026
Neighbours’ Committee of Adjustment files within 250 m
303 Shaw St · Minor variance
150 m away · filed Jun 25, 2026 · Postponed
277 Crawford St · Minor variance
To alter the existing three-storey detached dwelling by replacing the existing rear one-storey addition with a new two-storey addition (including a basement level) with a walkout basement and a ground floor deck. Also, to construct a new rear third storey dormer addition with a deck (above the two-storey addition).
80 m away · filed Apr 24, 2026 · Approved
25 Montrose Ave · Minor variance
To alter the existing two-and-one-half-storey detached dwelling by constructing a rear third storey addition with a rear balcony, a rear ground floor deck with stairs, and a rear basement walkout on the south side of the dwelling. Also, to convert the basement into one residential dwelling unit. There will be a total of two residential dwelling units on this lot (one unit occupying the basement level, and one unit occupying the first, second, and third storeys). The existing rear one-storey detached ancillary building (one-car garage) will be maintained and unaltered.
80 m away · filed Apr 2, 2026 · Approved
1083-1085 Dundas St W · Minor variance
To permit an eating establishment to occupy the entire ground floor area of the one-storey commercial building. The existing seven parking spaces, located on the vacant lands municipally known as 14R Halton Street, will be maintained and unaltered.
240 m away · filed Mar 2, 2026 · Refused
33 Beatrice St · Minor variance
To alter the existing two-and-one-half-storey semi-detached dwelling by constructing a rear one-storey addition along the north side of the existing one-storey addition (including an extension to the basement area and the second storey rooftop deck). Also, to reconstruct the rear basement walkout stairs. There will be a total of two residential dwelling units on this lot (one unit occupying the basement and one unit occupying the first, second, and third storeys).
150 m away · filed Jul 17, 2025 · Approved
81 Montrose Ave · Minor variance
To alter the existing two-storey semi-detached dwelling by constructing a complete third storey addition (Mezzanine), a rear first and second floor addition and a rear third floor balcony. The existing ancillary building (garage) in the rear yard will be maintained and unaltered.
210 m away · filed Apr 24, 2025 · Postponed
75 Montrose Ave · Minor variance
To alter the existing two-storey semi-detached dwelling by constructing a front two-storey addition (at the northwest portion of the dwelling), a rear second storey addition, and a third storey addition with a front balcony (above the second floor). The existing front bay window will be demolished.
200 m away · filed Aug 29, 2024 · Approved
236 Crawford St · Minor variance
To alter the existing two-and-one-half-storey semi-detached dwelling (triplex) by constructing a front basement walkout, and a new rear ground floor deck with stairs (the existing rear ground floor deck will be demolished).
220 m away · filed Aug 28, 2024 · Approved
From the City of Toronto’s open data: building permits (active, and cleared since 2017), Committee of Adjustment applications and address points, this record updated Sep 29, 2026, and the development sites from its Development Applications data. Contains information licensed under the Open Government Licence – Toronto. Construction cost estimates and contractors’ names are left out on purpose, and nothing here names an owner.