Toronto address · Ward 5, York South-Weston

12 Batavia Ave

The City of Toronto has 23 building permits since 2017 (3 still open) and 2 Committee of Adjustment files 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.

Heating and ventilation
HVAC Revision to Permit # 21 134057 BLD 00. Revisions are for reference. Interiorlayout changes to ground and second floor plan.
Applied Jun 30, 2023 · issued Jul 18, 2023 · completed Apr 26, 2024 · Permit 21 134057 HVA (revision 02)
Closed
Small residential project · New laneway / rear yard suite
Revision to Permit # 21 134057 BLD 00. Revisions for Interiorlayout changes to ground and second floor plan.
Applied Jun 30, 2023 · issued Jul 28, 2023 · completed May 10, 2024 · Permit 21 134057 BLD (revision 02)
Closed
Plumbing
Revision to Permit # 21 134057 BLD 00. Revisions for reference. Interiorlayout changes to ground and second floor plan.
Applied Jun 30, 2023 · issued Jul 18, 2023 · completed Jun 7, 2024 · Permit 21 134057 PLB (revision 02)
Closed
Alternative solution
Proposal alternative solution regarding sprinkler system.
Applied Apr 19, 2023 · completed Oct 3, 2023 · Permit 23 135728 ALT
Approved
Drains and site services · Site service
Proposal for a site service permit for the existing house related to 21 121299 and 22 222482.
Applied Jan 31, 2023 · Permit 23 108970 STS
Under review
Small residential project · Other
Solar PV installation of 12 flush mounted solar panels on the roof of an existing residential building.
Applied Nov 13, 2022 · issued Dec 13, 2022 · completed Jun 14, 2024 · Permit 22 228710 BLD
Closed
Heating and ventilation
HVAC - Convert the existing single family dwelling into four dwelling units. Rear three storey addition, second and third floor additions to existing one storey dwelling, third floor balconies, rear deck and basement walkout and underpinning. See 21-134057 BLD for rear laneway suite.
Applied Oct 27, 2022 · issued Dec 11, 2023 · completed Apr 26, 2024 · Permit 22 222482 HVA
Closed
Small residential project · Multiple projects
Convert the existing single family dwelling into four dwelling units. Rear three storey addition, second and third floor additions to existing one storey dwelling, third floor balconies, rear deck and basement walkout and underpinning. See 21-134057 BLD for rear laneway suite.
Applied Oct 27, 2022 · issued Dec 11, 2023 · completed May 9, 2024 · 4 homes added · Permit 22 222482 BLD
Closed
Plumbing
Plumbing - Convert the existing single family dwelling into four dwelling units. Rear three storey addition, second and third floor additions to existing one storey dwelling, third floor balconies, rear deck and basement walkout and underpinning. See 21-134057 BLD for rear laneway suite.
Applied Oct 27, 2022 · issued Dec 11, 2023 · completed May 10, 2024 · Permit 22 222482 PLB
Closed
Plumbing
Revision - Plumbing - interior layout changes, parking at rear laneway and landscaping percentage change
Applied Sep 27, 2022 · issued Oct 28, 2022 · completed Jun 7, 2024 · Permit 21 134057 PLB (revision 01)
Closed
Small residential project · Other
Installation of 20 solar modules without exceeding maximum building height threshold (east unit)
Applied Mar 3, 2022 · issued Mar 30, 2022 · completed Jun 17, 2025 · Permit 22 119232 BLD
Closed
Small residential project · Other
Installation of 22 solar modules without exceeding maximum building height threshold (west unit)
Applied Mar 3, 2022 · issued Mar 29, 2022 · completed Jun 17, 2025 · Permit 22 119307 BLD
Closed

Show 11 more permits

Heating and ventilation
Revision 01 - Proposal to change the design from duplex to five unit dwelling and underpinning. HVAC - Proposal for 2nd storey addition and interior alterations to create basement 2nd suite + laneway suite
Applied Nov 9, 2021 · issued May 18, 2022 · completed Dec 6, 2023 · Permit 21 121299 HVA (revision 01)
Cancelled
Heating and ventilation
Revision to mechanical to match the building revisions to convert laneway suite into two suitesHVAC - Proposal to construct a new two storey laneway suite in the rear yard. Refer to related building permit 21 121299 for alterations to principal dwelling.
Applied Nov 9, 2021 · issued Oct 28, 2022 · completed Apr 26, 2024 · Permit 21 134057 HVA (revision 01)
Closed
Small residential project · Multiple projects
Revision 01 - Revised underpinningConstruction of 2nd and 3rd storey additions, rear addition and interior alterations for a duplex. Refer to related building permit 21 134057 for creating new rear yard laneway suite .
Applied Nov 9, 2021 · issued May 18, 2022 · Permit 21 121299 BLD (revision 01)
Revision issued
Small residential project · New laneway / rear yard suite
Revision to existing laneway suite.Proposal to construct a new two storey laneway suite in the rear yard. Refer to related building permit 21 121299 for alterations to principal dwelling.
Applied Nov 9, 2021 · issued Oct 26, 2022 · completed May 10, 2024 · Permit 21 134057 BLD (revision 01)
Closed
Small residential project · New laneway / rear yard suite
Proposal to construct a new two storey laneway suite in the rear yard. Refer to related building permit 21 121299 for alterations to principal dwelling.
Applied Mar 30, 2021 · issued Oct 25, 2021 · completed May 10, 2024 · 1 home added · Permit 21 134057 BLD
Closed
Plumbing
Plumbing - Proposal to construct a new two storey laneway suite in the rear yard. Refer to related building permit 21 121299 for alterations to principal dwelling.
Applied Mar 30, 2021 · issued Sep 12, 2022 · completed Jun 7, 2024 · Permit 21 134057 PLB
Closed
Heating and ventilation
HVAC - Proposal to construct a new two storey laneway suite in the rear yard. Refer to related building permit 21 121299 for alterations to principal dwelling.
Applied Mar 30, 2021 · issued Oct 25, 2021 · completed Apr 26, 2024 · Permit 21 134057 HVA
Closed
Drains and site services
Drain - Proposal to construct a new two storey laneway suite in the rear yard. Refer to related building permit 21 121299 for alterations to principal dwelling.
Applied Mar 30, 2021 · issued Oct 28, 2022 · completed Jun 7, 2024 · Permit 21 134057 DRN
Closed
Small residential project · Multiple projects
Construction of 2nd and 3rd storey additions, rear addition and interior alterations for a duplex. Refer to related building permit 21 134057 for creating new rear yard laneway suite .
Applied Feb 28, 2021 · issued Oct 25, 2021 · completed Dec 6, 2023 · 1 home added · Permit 21 121299 BLD
Cancelled
Heating and ventilation
HVAC - Proposal for 2nd storey addition and interior alterations to create basement 2nd suite + laneway suite
Applied Feb 28, 2021 · issued Oct 25, 2021 · completed Dec 6, 2023 · Permit 21 121299 HVA
Cancelled
Plumbing
Plumbing - Proposal for 2nd storey addition and interior alterations to create basement 2nd suite + laneway suite
Applied Feb 28, 2021 · issued Sep 12, 2022 · completed Dec 6, 2023 · Permit 21 121299 PLB
Cancelled

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.

Minor variance · New R building
To permit an additional dwelling unit in the laneway suite. A previous Committee of Adjustment application (A0176/22EYK) approved variances relating to a fourplex and soft landscaping.
Decision: Refused (hearing Jun 8, 2023)
Filed Apr 18, 2023 · File A0179/23EYK
Closed
Minor variance · Other
To construct a two-storey addition above the existing dwelling, a three-storey rear addition and to construct a new laneway suite with 2 dwelling units. A total of 6 dwelling units will be provided.
Decision: Approved (hearing Jun 30, 2022)
Filed Feb 25, 2022 · File A0176/22EYK
Closed

What’s planned nearby

Development sites within 500 m

3459-3461 Dundas Street West
7 storeys · 34 homes · Mixed use
380 m away · Site plan · Under review · filed Mar 7, 2025
Under review

Neighbours’ Committee of Adjustment files within 250 m

43 Mould Ave · Minor variance
To construct a new fourplex.
190 m away · filed May 10, 2026 · Approved
45 Mariposa Ave · Minor variance
To construct a third storey front addition and a second and third storey rear addition above the existing dwelling.
140 m away · filed Dec 12, 2025 · Approved
82 Pritchard Ave · Minor variance
To construct a laneway suite and a carport.
240 m away · filed Nov 7, 2024 · Approved
8 Batavia Ave · Minor variance
To construct a new laneway suite with two residential units.
10 m away · filed Feb 26, 2024 · Application withdrawn
18 Mould Ave · Minor variance
To legalize and maintain an attached accessory structure (shed) to the rear of the existing dwelling.
120 m away · filed Feb 7, 2024 · Refused
31 Mariposa Ave · Minor variance
To make interior alterations to accommodate two secondary suites.
100 m away · filed Jan 10, 2024 · Approved
82 Pritchard Ave · Minor variance
To construct a new detached dwelling.
240 m away · filed Oct 27, 2023 · Approved
21 Batavia Ave · Minor variance
To permit one additional laneway suite in a new rear yard ancillary building, for a total of two laneway suites. A previous Committee of Adjustment application (A0068/23EYK) approved variances relating to the permitted number of dwelling units on the subject property.
70 m away · filed May 10, 2023 · Withdrawn

Everything planned in York South-Weston

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.