Toronto address · Ward 11, University-Rosedale
13 Mansfield Ave
The City of Toronto has 8 building permits since 2017 (4 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.
- Inspections under way
Heating and ventilation
HVAC - Proposal to convert existing garage into a two-storey laneway suite and include new ground floor lowered slab.
Applied May 3, 2024 · issued May 16, 2024 · Permit 23 228113 HVA
- Revision issued
Small residential project · New laneway / rear yard suite
REVISION - underpinning existing foundation wallsProposal to convert existing garage into a two-storey laneway suite and include new ground floor lowered slab.
Applied Apr 15, 2024 · issued May 22, 2024 · 1 home added · Permit 23 228113 BLD (revision 01)
- Inspections under way
Plumbing
Plumbing - Proposal to convert existing garage into laneway suite, to include new ground floor lowered slab and second floor addition.
Applied Nov 21, 2023 · issued Jan 8, 2024 · Permit 23 228113 PLB
- Inspections under way
Small residential project · New laneway / rear yard suite
Proposal to convert existing garage into a two-storey laneway suite and include new ground floor lowered slab.
Applied Nov 21, 2023 · issued Jan 5, 2024 · 1 home added · Permit 23 228113 BLD
- Closed
Drains and site services
Drain - Proposed interior alterations to convert an existing single family detached dwelling into a 2-unit dwelling.
Applied May 19, 2020 · issued May 19, 2020 · completed Jun 15, 2020 · Permit 19 250502 DRN
- Closed
Plumbing
Plumbing - Proposed interior alterations to convert an existing single family detached dwelling into a 2-unit dwelling.
Applied May 19, 2020 · issued May 19, 2020 · completed Aug 20, 2020 · Permit 19 250502 PLB
- Closed
Heating and ventilation
HVAC - Proposed interior alterations to convert an existing single family detached dwelling into a 2-unit dwelling.
Applied May 13, 2020 · issued May 19, 2020 · completed Aug 25, 2020 · Permit 19 250502 HVA
- Closed
Small residential project · Second suite (New)
Proposed interior alterations to convert an existing single family detached dwelling into a 2-unit dwelling.
Applied Nov 18, 2019 · issued Feb 25, 2020 · completed Aug 25, 2020 · 1 home added · Permit 19 250502 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 · Other
To alter the existing one-storey ancillary building (detached garage in the rear yard, abutting the laneway) by constructing a complete second storey addition. This building (both levels) will be used for one laneway suite. The existing parking space will be removed.
Decision: Approved (hearing Sep 13, 2023)
Filed Sep 19, 2022 · File A1275/22TEY
- Closed
Minor variance · R addition
To construct a two-storey ancillary building (laneway suite) in the rear yard of the property by adding a second storey above the existing rear detached garage and converting the garage into living space at the ground floor.
Decision: Approved (hearing Aug 17, 2022)
Filed Sep 21, 2020 · File A0821/20TEY
What’s planned nearby
Development sites within 500 m
- Under review
6 storeys · 49 homes · Mixed use
470 m away · Site plan · Under review · filed Oct 15, 2021
Neighbours’ Committee of Adjustment files within 250 m
37 Henderson Ave · Minor variance
To construct a new three-storey detached building (houseplex) with front and rear first storey juliet balconies, as well as, front and rear balconies located on the second and third storeys. There will be a total of six residential dwelling units on this lot (two units occupying the basement level, two units occupying the first level, and two units occupying the second and third levels).
90 m away · filed Jul 28, 2026 · Hearing scheduled
306 Euclid Ave · Minor variance
To alter the existing three-storey detached dwelling by constructing a rooftop deck (including a spiral staircase leading from the rear third storey balcony).
190 m away · filed Jul 23, 2026 · Hearing scheduled
280 Euclid Ave · Minor variance
To alter the existing two-storey detached dwelling by constructing a rear two-storey addition with a ground floor deck, a third storey dormer (attic for habitable space) with a rear rooftop deck, and a new covered front porch with a basement walkout.
200 m away · filed Mar 31, 2026 · Approved
100 Beatrice St · Consent
250 m away · filed Mar 9, 2026 · Postponed
356 Euclid Ave · Minor variance
To alter the existing two-and-one-half-storey semi-detached dwelling by constructing a rear two-storey addition (including the basement level), a front second floor canopy, a south side window well with stairs, a rear ground floor deck with stairs and a rear third floor rooftop deck with privacy screen. The existing rear one-storey ancillary building (garage) will be maintained and unaltered.
240 m away · filed Sep 3, 2025 · Approved
322 Euclid Ave · Minor variance
To demolish the existing two-storey detached dwelling and construct a new two-and-one-half-storey detached dwelling with a front porch with stairs, a green roof (on a portion of the front and rear second storey), and a rear ground floor patio with an in-ground swimming pool. The existing garage in the rear yard will be maintained and unaltered.
200 m away · filed Aug 27, 2024 · Approved
311 Manning Ave · Minor variance
To alter the existing two-storey semi-detached dwelling by constructing a rear second storey addition with a rear second storey balcony. Also, to construct a two-storey detached ancillary building (two-car garage with a study, gym and bathroom on the second storey) in the rear yard of the property, abutting the laneway. The existing garage will be demolished.
130 m away · filed Apr 23, 2024 · Approved
324 Euclid Ave · Minor variance
To alter the existing two-and-one-half-storey detached dwelling by constructing a one-storey south side addition, complete second and third storey additions (with a front third storey balcony, and rear second and third storey juliette balconies), and a rear ground floor deck. The existing ancillary building (attached garage), in the rear yard, abutting the laneway, will be maintained and unaltered.
200 m away · filed Mar 4, 2024 · 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.