Toronto address · Ward 4, Parkdale-High Park
321 Windermere Ave
The City of Toronto has 1 building permit since 2017 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
Drains and site services · Back water valve (Sewer only)
Proposal to install a back water valve.
Applied Mar 18, 2019 · issued Mar 18, 2019 · completed Mar 21, 2019 · Permit 19 126848 DRN
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
- Approved
15 storeys · 60 homes · Mixed use
250 m away · Rezoning · Approved · filed Dec 24, 2025
- Approved
12 storeys · 91 homes · Mixed use
450 m away · Rezoning · Approved · filed Jul 28, 2023
Neighbours’ Committee of Adjustment files within 250 m
50 Durie St · Minor variance
To alter the existing two-storey detached dwelling by constructing a front covered porch with stairs, a rear basement walkout with a patio, a rear two-storey addition (including a basement extension) with a covered ground floor deck and stairs (connecting to the existing garage foundation slab, which will be maintained), as well as a third storey addition with a rear rooftop deck. Also, the existing rear one-storey ancillary building (structural frame of the semi-detached garage) will be demolished.
210 m away · filed Jun 18, 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…
170 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.
70 m away · filed May 26, 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.
120 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.
50 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.
250 m away · filed Jun 9, 2024 · Approved
11 Willard Gdns · Minor variance
To alter the existing three-storey detached dwelling by constructing a rear one-storey addition.
210 m away · filed Dec 4, 2023 · 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).
190 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.