Toronto address · Ward 19, Beaches-East York
12 Holborne Ave
The City of Toronto has 6 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
Small residential project · Pool fence enclosure
Proposal for the installation of a pool and pool fence enclosure.
Applied Sep 10, 2020 · completed Sep 21, 2020 · Permit 20 191827 BLD
- Closed
Heating and ventilation
HVAC - Construct a second storey addition (134.56m2) a side addition , a front porch and rear deck, to an existing single family dwelling, inclusive of interior alterations to the basement and first floor.
Applied Jan 14, 2016 · issued Jan 28, 2016 · completed Feb 2, 2017 · Permit 15 264611 HVA
- Closed
Plumbing
Plumbing - Construct a second storey addition (134.56m2) , a front porch and rear deck, to an existing single family dwelling, inclusive of interior alterations to the basement and first floor.
Applied Dec 14, 2015 · issued Jan 7, 2016 · completed Feb 2, 2017 · Permit 15 264611 PLB
- Closed
Small residential project · Multiple projects
Construct a second storey addition (134.56m2) a side addition , a front porch and rear deck, to an existing single family dwelling, inclusive of interior alterations to the basement and first floor.
Applied Dec 14, 2015 · issued Jan 7, 2016 · completed Feb 2, 2017 · Permit 15 264611 BLD
- Closed
Plumbing
Plumbing - Underpinning and interior alterations
Applied Jan 8, 2015 · issued Jan 12, 2015 · completed Feb 3, 2017 · Permit 15 102330 PLB
- Closed
Small residential project · Multiple projects
Underpinning and interior alterations
Applied Jan 8, 2015 · issued Jan 9, 2015 · completed Feb 3, 2017 · Permit 15 102330 BLD
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
No rezoning, site plan, subdivision or condominium file open within 500 m, and no pre-construction project on the site.
Neighbours’ Committee of Adjustment files within 250 m
23 Fairside Ave · Minor variance
To alter the existing one-storey detached dwelling by constructing a partial side (south) ground floor (mudroom) addition.
160 m away · filed May 20, 2026 · Approved
8 Holborne Ave · Minor variance
To alter the existing three-storey detached dwelling by replacing the rear first level deck with a one-storey addition with a platform and stairs.
20 m away · filed Jan 21, 2026 · Approved
896 Coxwell Ave · Minor variance
To alter the existing one-storey detached dwelling by constructing a complete second storey addition, a new rear ground level deck, and rear basement walkout stairs. Also, to reconstruct the front porch and stairs.
220 m away · filed Oct 10, 2023 · Approved
688 Cosburn Ave · Minor variance
To construct a new three-storey semi-detached dwelling with rear first, second and third storey terraces, and a rear basement walkout on the conveyed lot. Also, a parking space will be located in the front yard.
210 m away · filed Jan 31, 2023 · Refused
688 Cosburn Ave · Minor variance
To construct a new three-storey semi-detached dwelling with rear first, second and third storey terraces, and a rear basement walkout on the retained lot. Also, a parking space will be located in the front yard.
210 m away · filed Jan 31, 2023 · Refused
688 Cosburn Ave · Consent
To obtain consent to sever the property into two undersized lots.
210 m away · filed Jan 31, 2023 · Refused
877 Coxwell Ave · Minor variance
To alter the existing one-storey detached dwelling by constructing a complete second storey addition with a ground floor covered front porch, second floor covered front balcony, rear ground floor deck, and a new flat roof for the existing attached garage.
150 m away · filed Jan 3, 2023 · Approved
875 Coxwell Ave · Minor variance
To alter the existing one-storey detached dwelling by constructing a complete second storey addition, a two-storey rear addition, two rear decks, and a rear second storey juliet balcony. Also, to convert the existing garage into office space, and to construct a parking pad in the front yard.
150 m away · filed Oct 26, 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.