Toronto address · Ward 9, Davenport
21 Sylvan 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.
- Cancelled
Plumbing
Plumbing - Construct a 3rd storey addition (41.8m2) on existing semi detached SFD
Applied Aug 22, 2019 · completed Sep 13, 2022 · Permit 19 210157 PLB
- Cancelled
Small residential project · Addition(s)
Construct a 3rd storey addition (41.8m2) on existing semi detached SFD
Applied Aug 22, 2019 · completed Sep 13, 2022 · Permit 19 210157 BLD
- Closed
Small residential project · Multiple projects
Proposal for basement finishing and a new basement walkout in an existing 2 storey SFD-semi dwelling.
Applied Dec 3, 2013 · issued Dec 12, 2013 · completed Sep 21, 2026 · Permit 13 273422 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 two-storey semi-detached dwelling by constructing a third storey addition with a rear dormer balcony.
Decision: Approved (hearing Mar 20, 2019)
Filed Dec 11, 2018 · File A1169/18TEY
What’s planned nearby
Development sites within 500 m
- Approved
6 storeys · 19 homes · Residential
300 m away · Site plan · Approved · filed Jul 10, 2025
Neighbours’ Committee of Adjustment files within 250 m
155 Rusholme Rd · Minor variance
To construct a new two-storey detached ancillary building (containing a ground floor garage with one parking space, two bicycle parking spaces and a second storey laneway suite) cantilevered on the west side with a rear second storey balcony in the rear yard, abutting the laneway. 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).
230 m away · filed Jul 8, 2026 · Approved
118 Havelock St · Minor variance
To alter the existing two-and-one-half-storey detached dwelling by constructing a three-storey addition along the south side and west rear walls of the dwelling.
110 m away · filed Mar 5, 2025 · Approved
23 Lindsey Ave · Minor variance
To alter the two-and-one-half-storey semi-detached dwelling (fronting Lindsey Avenue) by constructing a rear one-storey addition (attached garage), abutting Gladstone Avenue. Previous Minor Variance Application File A1056/23TEY for a similar proposal was recently refused.
120 m away · filed Sep 26, 2024 · Approved
23 Lindsey Ave · Minor variance
To alter the two-and-one-half-storey semi-detached dwelling (fronting Lindsey Avenue) by constructing a rear one-storey addition (attached garage), abutting Gladstone Avenue.
120 m away · filed Dec 13, 2023 · Refused
744 Dufferin St · Minor variance
To alter the existing two-and-one-half-storey semi-detached dwelling by reconstructing and extending the rear second storey addition, and to construct a two-storey front addition, a ground floor front verandah and stairs, as well as a new front basement patio and walkout. Also, the basement will be converted into a secondary suite, and the existing garage, in the rear yard, will be demolished (and replaced with a parking pad).
250 m away · filed Oct 19, 2023 · Approved
757 Dufferin St · Minor variance
To alter the existing one-storey semi-detached ancillary building (garage) by constructing a partial ground floor front addition and a second storey addition. The existing parking space will be removed, and this building will contain one garden suite.
190 m away · filed Oct 4, 2023 · Approved
755 Dufferin St · Minor variance
To alter the existing one-storey semi-detached ancillary building (garage) by constructing a partial ground floor front addition and a second storey addition. The existing parking space will be removed, and this building will contain one garden suite.
200 m away · filed Oct 4, 2023 · Approved
765 Dufferin St · Minor variance
To construct a parking pad in the front yard of an existing two-storey semi-detached dwelling. A new porch with stairs will also be constructed and the existing front porch and stairs will be demolished.
170 m away · filed Sep 7, 2023 · Refused
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.