Toronto address · Ward 11, University-Rosedale
455 Ossington Ave
The City of Toronto has 16 building permits since 2017 (12 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.
- Issuance pending
Small residential project · Multiple projects
Rev 03: alterations to basement layout to create additoinal unit (4 Units)
Applied May 2, 2023 · 4 homes added · Permit 22 111007 BLD (revision 01)
- Revision issued
Plumbing
Rev 03: alterations to basement layout to create additoinal unit (4 Units)
Applied May 2, 2023 · issued May 24, 2023 · Permit 22 111007 PLB (revision 01)
- Closed
Heating and ventilation
Rev 01: revision to Permit No. 22 111007 HVA 00 MS
Applied Jul 10, 2022 · issued Jul 20, 2022 · completed Jun 26, 2023 · Permit 22 111007 HVA (revision 01)
- Inspections under way
Small residential project · New laneway / rear yard suite
Proposed two storey rear laneway dwelling review related 22-111007
Applied Feb 7, 2022 · issued Dec 6, 2022 · 1 home added · Permit 22 111426 BLD
- Inspections under way
Heating and ventilation
HVAC - Proposed two storey rear laneway dwelling review related 22-111007
Applied Feb 7, 2022 · issued Dec 6, 2022 · Permit 22 111426 HVA
- Inspections under way
Plumbing
Plumbing - Proposed two storey rear laneway dwelling review related 22-111007
Applied Feb 7, 2022 · issued Dec 6, 2022 · Permit 22 111426 PLB
- Permit issued
Drains and site services
Drain - Proposed two storey rear laneway dwelling review related 22-111007
Applied Feb 7, 2022 · issued Dec 6, 2022 · Permit 22 111426 DRN
- Inspections under way
Plumbing
Plumbing - Proposed third storey addition to an existing two storey multi-unit dwelling and interior alterations to all floor levels.
Applied Feb 7, 2022 · issued Jul 18, 2022 · Permit 22 111007 PLB
- Closed
Heating and ventilation
HVAC - Proposed third storey addition to an existing two storey multi-unit dwelling and interior alterations to all floor levels.
Applied Feb 7, 2022 · issued Apr 29, 2022 · completed Jun 26, 2023 · Permit 22 111007 HVA
- Closed
Drains and site services
Drain - Proposed third storey addition to an existing two storey multi-unit dwelling and interior alterations to all floor levels.
Applied Feb 7, 2022 · issued Jul 18, 2022 · completed Jun 26, 2023 · Permit 22 111007 DRN
- Inspections under way
Small residential project · Multiple projects
Proposed third storey addition to an existing two storey multi-unit dwelling and interior alterations to all floor levels.
Applied Feb 4, 2022 · issued Apr 29, 2022 · 1 home added · Permit 22 111007 BLD
- Permit issued
Drains and site services · Back water valve (Sewer only)
Proposla to install a backwater valve on the sanitary line in an existing detached dwelling with 2 units.
Applied Feb 22, 2021 · issued Feb 22, 2021 · Permit 21 118599 DRN
Show 4 more permits
- Revocation pending
Plumbing
Plumbing - Proposal to convert an existing detached single family dwelling into a 2 dwelling units. Demolish rear garage and provide 2 parking spaces. Refer to related ZZC Certificate.
Applied Nov 4, 2020 · issued Nov 4, 2020 · Permit 20 177214 PLB
- Revision issued
Small residential project · Second suite (New)
REVISION *** underpining and a basement walkout, front canopy, see also Order 20 207369 UNS ***
Applied Nov 4, 2020 · issued Dec 18, 2020 · Permit 20 177214 BLD (revision 01)
- Inspections under way
Drains and site services
Drain - Proposal to convert an existing detached single family dwelling into a 2 dwelling units. Demolish rear garage and provide 2 parking spaces. Refer to related ZZC Certificate.
Applied Nov 4, 2020 · issued Nov 5, 2020 · Permit 20 177214 DRN
- Inspections under way
Small residential project · Second suite (New)
Proposal to convert an existing detached single family dwelling into a 2 dwelling units. Demolish rear garage and provide 2 parking spaces. Refer to related ZZC Certificate.
Applied Aug 6, 2020 · issued Aug 25, 2020 · 1 home added · Permit 20 177214 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 convert the existing two-unit, two-storey detached dwelling into a three-unit, three storey detached dwelling by constructing a third storey addition. A new two-storey laneway suite will also be constructed.
Decision: Approved (hearing Dec 8, 2021)
Filed Aug 18, 2021 · File A1059/21TEY
What’s planned nearby
Development sites within 500 m
- Under review
- Under appeal
- Approved
6 storeys · 19 homes · Residential
490 m away · Site plan · Approved · filed Jul 10, 2025
Neighbours’ Committee of Adjustment files within 250 m
409 Ossington Ave · Consent
To obtain consent for the technical severance of the property for the purpose of re-establishing two residential lots which merged on title.
160 m away · filed Feb 5, 2026 · Approved
186 Roxton Rd · Minor variance
To alter the existing two-storey semi-detached dwelling by constructing a side (south) one-storey addition, a rear two-storey addition (above with a portion of the existing one-storey), and a partial third storey addition (dormer) with a rear (west) deck. Also, to alter the existing one-storey ancillary building (detached garage in the rear yard, abutting the lane) by reducing a front (east) portion of the building (storage shed), and to construct a front (east) canopy structure (awning).
160 m away · filed Dec 4, 2025 · Approved
260 Roxton Rd · Minor variance
To alter the existing two-storey townhouse dwelling by constructing rear one and two-storey additions, a rear second floor deck (above the new rear one-storey addition), and a rear ground floor deck. The existing rear one-storey addition, and rear ground floor deck will be demolished.
60 m away · filed May 9, 2025 · Approved
324 Roxton Rd · Minor variance
To alter the existing two-storey semi-detached dwelling by reconstructing a front covered porch with stairs and a basement walkout, a rear ground floor covered deck, and a rear second floor deck. There will be three residential dwelling units on this lot.
210 m away · filed Apr 9, 2025 · Approved
513 Ossington Ave · Minor variance
To construct a new two-storey detached ancillary building (one laneway suite), in the rear yard, abutting the laneway. The existing fourplex dwelling will be maintained and unaltered.
180 m away · filed Mar 8, 2024 · Approved
475 Ossington Ave · Minor variance
To alter the existing two-and-one-half-storey detached dwelling by constructing a rear second storey addition with a rear third storey rooftop deck. There will be three residential dwelling units within this dwelling.
60 m away · filed Nov 21, 2023 · Approved
29 Shannon St · Minor variance
To alter the existing two-storey detached dwelling by constructing third storey additions with a rear balcony, and a rear two-storey addition with a ground floor patio.
220 m away · filed Aug 8, 2023 · Approved
58 Concord Ave · Minor variance
To alter the existing two-and-one-half-storey semi-detached dwelling with three units by converting it into one dwelling unit and constructing a rear ground floor deck. Also, to permit the existing rear screened porch that was constructed without an authorized building permit.
230 m away · filed Feb 3, 2023 · Application withdrawn
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.