Toronto address · Ward 4, Parkdale-High Park
12 Ostend Ave
The City of Toronto has 3 building permits since 2017 (3 still open) 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.
- Inspections under way
Small residential project · Multiple projects
Proposed construction of a new (2) storey rear yard addition, interior alterations and rear yard deck to an existing (2) storey detached single family dwelling.
Applied Mar 9, 2010 · issued Mar 22, 2010 · Permit 10 129071 BLD
- Inspections under way
Heating and ventilation
HVAC - Proposed construction of a new (2) storey rear yard addition, interior alterations and rear yard deck to an existing (2) storey detached single family dwelling.
Applied Mar 9, 2010 · issued Mar 22, 2010 · Permit 10 129071 HVA
- Inspections under way
Plumbing
Plumbing - Proposed construction of a new (2) storey rear yard addition, interior alterations and rear yard deck to an existing (2) storey detached single family dwelling.
Applied Mar 9, 2010 · issued Mar 22, 2010 · Permit 10 129071 PLB
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.
- Application withdrawn
Consent · Re-establish Easement/ROW
To obtain consent to re-establish an easement/right-of-way for pedestrian and vehicular access, in favour of 10 Ostend Avenue.
Filed Sep 17, 2021 · File B0097/21TEY
What’s planned nearby
Development sites within 500 m
- Approved
15 storeys · 60 homes · Mixed use
50 m away · Rezoning · Approved · filed Dec 24, 2025
Neighbours’ Committee of Adjustment files within 250 m
271 Beresford Ave · Minor variance
To alter the existing two-storey detached dwelling by constructing a third storey addition with a rear balcony, a rear first storey landing with stairs, and a rear second storey juliet balcony. There will be an enclosed stairwell projection on the south side of the dwelling. Also, there will be a total of three residential dwelling units on this lot (one unit within the basement level, one unit occupying the first storey, and one unit occupying both the second and third storeys).
220 m away · filed Apr 24, 2026 · Approved
86 Durie St · Minor variance
To alter the existing two-storey detached dwelling by constructing a rear (west) two-storey addition, a rear (west) second storey roof addition, a side (north), rear (west) and front (east) dormers, and a rear ground floor deck with stairs. Also, to construct a new two-storey detached ancillary building (containing a basement, one garage on the ground level and one garden suite on the second level), in the rear yard, abutting Mayfield Avenue. The existing attached garage will be demolished. There will be a total of two residential dwelling units on this lot (one unit within the main dwelling…
130 m away · filed Aug 13, 2025 · Approved
91 Deforest Rd · Minor variance
To alter the existing two-storey detached dwelling by constructing a rear second storey addition (cantilevered at the south portion of the dwelling) with a rear juliette balcony.
220 m away · filed May 26, 2025 · Approved
2271 Bloor St W · Consent
To obtain consent to sever the property into two lots and to create various easements/rights-of-way.
60 m away · filed Apr 8, 2025 · Approved
60 Mayfield Ave · Minor variance
To alter the existing two-storey detached dwelling by constructing a rear second storey balcony. The existing two-storey rear addition (currently under construction) will be maintained.
200 m away · filed Aug 9, 2024 · Approved
99 Deforest Rd · Minor variance
To alter the existing two-storey detached dwelling by constructing a side (east ) ground level deck with stairs. Also, to permit a front yard parking pad, and to maintain the two-storey rear ancillary building (shed) that was constructed without an authorized permit.
230 m away · filed Jul 22, 2024 · Application withdrawn
110 Durie St · Minor variance
To alter the existing one-storey detached dwelling by constructing a complete second storey addition, a partial front two-storey addition, a rear one-storey addition (sunroom), and a new front covered porch with stairs.
60 m away · filed Jun 9, 2024 · Approved
26 Ostend Ave · Minor variance
To alter the existing two-storey detached dwelling by constructing a front two-storey addition and a rear one-storey addition (with a deck above).
60 m away · filed Oct 13, 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.