Toronto address · Ward 5, York South-Weston
12 Britannia Ave
The City of Toronto has 4 building permits 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
Heating and ventilation
HVAC - Proposal to construct a two storey rear addition, interior alterations to all floors, basement underpinning and the installation of plumbing fixtures to an existing semi-detached SFD.
Applied May 27, 2022 · issued Jun 30, 2022 · completed Mar 18, 2024 · Permit 22 142258 HVA
- Closed
Plumbing
Plumbing - Proposal to construct a two storey rear addition, interior alterations to all floors, basement underpinning and the installation of plumbing fixtures to an existing semi-detached SFD.
Applied May 4, 2022 · issued Jun 8, 2022 · completed Mar 18, 2024 · Permit 22 142258 PLB
- Closed
Small residential project · Multiple projects
Proposal to construct a two storey rear addition, interior alterations to all floors, basement underpinning and the installation of plumbing fixtures to an existing semi-detached SFD.
Applied May 4, 2022 · issued Jun 8, 2022 · completed Mar 18, 2024 · Permit 22 142258 BLD
- Closed
Drains and site services
Drain - Proposal to construct a two storey rear addition, interior alterations to all floors, basement underpinning and the installation of plumbing fixtures to an existing semi-detached SFD.
Applied May 4, 2022 · issued Jun 8, 2022 · completed Mar 18, 2024 · Permit 22 142258 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
- Under review
11 storeys · 72 homes · Residential
120 m away · Site plan · Under review · filed Mar 16, 2026
- Under review
11 storeys · 537 homes · Mixed use
340 m away · Site plan · Under review · filed Apr 26, 2022
- Under review
- Under review
- Under review
11 storeys · 292 homes · Mixed use
410 m away · Site plan · Under review · filed Apr 26, 2022
- Under review
11 storeys · 191 homes · Mixed use
470 m away · Site plan · Under review · filed Mar 13, 2026
Neighbours’ Committee of Adjustment files within 250 m
2451 St Clair Ave W · Minor variance
To construct a six-storey mixed-use building that will consist of 10 residential units and retail on the ground floor. A previous Committee of Adjustment application (A0323/24EYK) approved variances related to gross floor area, setback for a wall containing a window, buiding height and the number of parking spaces.
180 m away · filed Feb 12, 2026 · Approved
317 Ryding Ave · Minor variance
To construct a new multiplex containing 4 dwelling units and to convert the existing garage into a laneway suite.
200 m away · filed Dec 3, 2025 · Approved
2455 St Clair Ave W · Minor variance
To construct a new 6-storey mixed use building.
200 m away · filed Oct 17, 2025 · Approved
20 Blakley Ave · Minor variance
To construct a second storey addition above the existing detached garage. The altered garage will be converted into a garden suite.
220 m away · filed May 26, 2025 · Approved
2451 St Clair Ave W · Minor variance
To construct a six-storey mixed-use building that will consist of 10 residential units and retail on the ground floor.
180 m away · filed Aug 8, 2024 · Approved
266 Ryding Ave · Minor variance
To construct a semi-detached garage in the rear yard.
170 m away · filed Jan 17, 2023 · Approved
268 Ryding Ave · Minor variance
To construct a semi-detached garage in the rear yard.
150 m away · filed Jan 17, 2023 · Approved
9 Ravenal St · Minor variance
To construct a two-storey rear addition and a basement walk-out in the front yard.
180 m away · filed Oct 6, 2022 · 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.