Toronto address · Ward 11, University-Rosedale
456 Montrose Ave
The City of Toronto has 7 building permits since 2017 (5 still open) 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.
- Cancelled
Small residential project · Multiple projects
Proposal to remove existing unconditioned extension (no heat, no air) and replace with unconditioned sunroom addition (no heat, no air)
Applied Nov 1, 2024 · completed Nov 27, 2024 · Permit 24 233814 BLD
- Permit issued
Small residential project · New laneway / rear yard suite
Proposal for new construction of two-storey laneway suite in wood frame construction with extensive green roof.
Applied Sep 27, 2024 · issued May 12, 2025 · 1 home added · Permit 24 219221 BLD
- Permit issued
Drains and site services
Drain - Proposal for new construction of two-storey laneway suite in wood frame construction with extensive green roof.
Applied Sep 27, 2024 · issued May 12, 2025 · Permit 24 219221 DRN
- Permit issued
Heating and ventilation
HVAC - Proposal for new construction of two-storey laneway suite in wood frame construction with extensive green roof.
Applied Sep 27, 2024 · issued May 12, 2025 · Permit 24 219221 HVA
- Permit issued
Plumbing
Plumbing - Proposal for new construction of two-storey laneway suite in wood frame construction with extensive green roof.
Applied Sep 27, 2024 · issued May 12, 2025 · Permit 24 219221 PLB
- Closed
Drains and site services · Back water valve (Sewer only)
Proposal for Backwater Valve.
Applied May 14, 2021 · issued May 14, 2021 · completed May 17, 2021 · Permit 21 154902 DRN
- Inspections under way
Small residential project · Interior alterations
Proposal to install a new staircases in the existing single family dwelling.
Applied Oct 27, 2016 · issued Dec 8, 2016 · Permit 16 243674 BLD
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
711 Crawford St · Minor variance
To construct a new two-storey detached ancillary building (to contain one laneway suite), in the rear yard, abutting the laneway. There will be a total of four residential dwelling units on this lot (three units within the main building and one unit within the ancillary building).
80 m away · filed May 15, 2026 · Approved
728 Crawford St · Minor variance
To construct a new two-storey detached ancillary building to contain a garage with one parking space on the ground level and studio space (non-habitable space) on the second storey, in the rear yard, abutting the laneway.
230 m away · filed Apr 10, 2026 · Approved
686 Crawford St · Minor variance
To alter the existing two-and-one-half-storey detached dwelling by constructing a third storey addition (dormers at the northwest, and south portions of the dwelling, partially cantilevered at the southwest portion of the dwelling), and a cantilevered rear third storey balcony with privacy planter.
90 m away · filed Oct 21, 2025 · Approved
421 Grace St · Minor variance
To alter the existing two-and-one-half-storey semi-detached dwelling by constructing a rear second storey addition with a rear box bay window, a third storey addition with a rear partially covered rooftop deck and green roof (above the second floor), a new covered front porch with stairs (the enclosed portion of the existing front porch will be demolished), a front basement window well, and a rear entrance canopy.
230 m away · filed Sep 29, 2025 · Approved
709 Crawford St · Minor variance
To construct a new three-storey detached dwelling with a front covered porch with stairs, front and rear third storey balconies, and a partially rear covered ground floor deck. Also, to construct a new two-storey ancillary building (laneway suite) in the rear yard of the property. There will be a total of three residential dwelling units on this lot (two units within the main dwelling and one unit (laneway suite) within the ancillary building).
80 m away · filed Apr 1, 2025 · Approved
626 Crawford St · Minor variance
To alter the existing two-and-one-half-storey semi-detached dwelling by constructing a front basement walkout, a rear two-storey addition with a ground level juliette balcony, and a rear third storey addition with deck. The ancillary building (detached garage in the rear yard, abutting the laneway) will be maintained and unaltered. Also, there will be a total of three residential dwelling units within the main dwelling, on this lot.
180 m away · filed Jul 2, 2024 · Approved
807 Bloor St W · Minor variance
To alter the existing two-and-one-half storey building by constructing a rear two-storey addition, and converting the existing second and third floors of the building from a residential use to a commercial use for the expansion of the existing veterinarian clinic within the building.
110 m away · filed Jan 24, 2024 · Approved
700 Crawford St · Minor variance
To alter the existing three-storey semi-detached dwelling by constructing a rear third storey addition.
110 m away · filed Jul 31, 2023 · 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.