Toronto address · Ward 11, University-Rosedale
78 Hazelton Ave
The City of Toronto has 12 building permits since 2017 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.
- Closed
Plumbing
Plumbing - Proposal for a rear addition to the third floor with interior alterations to the existing third floor area and reconstruct an existing third floor deck.
Applied Oct 18, 2022 · issued Oct 18, 2022 · completed Oct 19, 2022 · Permit 21 137952 PLB
- Closed
Small residential project · Multiple projects
Proposal for a rear addition to the third floor with interior alterations to the existing third floor area and reconstruct an existing third floor deck.
Applied Apr 9, 2021 · issued May 13, 2021 · completed Oct 19, 2022 · Permit 21 137952 BLD
- Closed
Heating and ventilation
HVAC - Proposal for a rear addition to the third floor with interior alterations to the existing third floor area and reconstruct an existing third floor deck.
Applied Apr 9, 2021 · issued May 13, 2021 · completed Oct 12, 2022 · Permit 21 137952 HVA
- Closed
Small residential project · Interior alterations
Extend bay window to the 2nd floor
Applied Apr 12, 2005 · issued Apr 25, 2005 · completed Jan 27, 2026 · Permit 04 192485 BLD (revision 04)
- Closed
Small residential project · Multiple projects
Alter plans as approved under file 04 - 192485 and 04 - 192485 - 01 and 04-192485-02 by constructing a deck and basement walk out at rear
Applied Apr 5, 2005 · issued Apr 5, 2005 · completed Jan 27, 2026 · Permit 04 192485 BLD (revision 03)
- Closed
Small residential project · Multiple projects
Alter plans as approved under file 04 - 192485 and 04 - 192485 - 01 by altering front elevation for basement window.Existing & Proposed: Semi-Detached House
Applied Mar 15, 2005 · issued Mar 15, 2005 · completed Jan 27, 2026 · Permit 04 192485 BLD (revision 02)
- Closed
Small residential project · Multiple projects
Alter bp 04 192485 by making interior alterations to basement and removing basement walkout at side.Existing & Proposed: Semi-Detached House
Applied Jan 11, 2005 · issued Jan 11, 2005 · completed Jan 27, 2026 · Permit 04 192485 BLD (revision 01)
- Closed
Heating and ventilation
HVAC - Underpin basement and make interior alterations to basement.Existing & Proposed: Semi-Detached House - Multiple Projects
Applied Jan 7, 2005 · issued Apr 28, 2005 · completed Jan 27, 2026 · Permit 04 192485 HVA
- Closed
Small residential project · Multiple projects
Underpin basement and make interior alterations to basement.Existing & Proposed: Semi-Detached House
Applied Nov 16, 2004 · issued Nov 16, 2004 · completed Jan 27, 2026 · Permit 04 192485 BLD
- Closed
Plumbing
Plumbing - to construct a 2-storey addition at the rear. Also make interior alterations to the 1st, 2nd, and 3rd floor. See C of A decision - Addition(s) (install fixtures see attached list)
Applied Nov 1, 2004 · issued Nov 1, 2004 · completed Jan 27, 2026 · Permit 03 116692 PLB
- Closed
Heating and ventilation
HVAC - to construct a 2-storey addition at the rear. Also make interior alterations to the 1st, 2nd, and 3rd floor. See C of A decision - Addition(s) Replace gas furnace with air conditioning and alter ductwork to existing and extend ductwork to rear addition.
Applied Nov 1, 2004 · issued Nov 17, 2004 · completed Jan 27, 2026 · Permit 03 116692 HVA
- Closed
Small residential project · Addition(s)
to construct a 2-storey addition at the rear. Also make interior alterations to the 1st, 2nd, and 3rd floor. See C of A decision
Applied Mar 20, 2003 · issued Jan 19, 2004 · completed Jan 27, 2026 · Permit 03 116692 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 alter the existing three-storey semi-detached dwelling by demolishing the rear third storey and rear second storey deck and constructing a rear third storey addition with rear second storey deck.
Decision: Approved (hearing Jul 22, 2020)
Filed Jan 9, 2020 · File A0026/20TEY
What’s planned nearby
Development sites within 500 m
- Approved
9 storeys · 55 homes · Mixed use
190 m away · Site plan · Approved · filed Oct 20, 2022
- Approved
11 storeys · 60 homes · Mixed use
230 m away · Rezoning · Approved · filed Mar 2, 2023
- Under review
19 storeys · 43 homes · Mixed use
250 m away · Condominium · Under review · filed Oct 28, 2021
- Approved
11 storeys · Not stated in the file
300 m away · Site plan · Approved · filed Feb 13, 2025
- Under review
220-234 Davenport Road and 148-158 Avenue Road
38 storeys · 110 homes · Mixed use
300 m away · Site plan · Under review · filed Jul 2, 2021
- Under review
183-189 Avenue Road and 109-111 Pears Avenue
11 storeys · 18 homes · Mixed use
300 m away · Site plan · Under review · filed Oct 25, 2021
Neighbours’ Committee of Adjustment files within 250 m
131 Davenport Rd · Minor variance
To alter the existing three-storey mixed-use building (previous residential and office uses which are currently vacant) with rear second and third storey balconies, by converting it into a personal service use (grooming spa).
180 m away · filed Jul 13, 2026 · Hearing scheduled
32 Tranby Ave · Minor variance
To alter the existing two-and-one-half-storey semi-detached dwelling by constructing a rear third storey addition (enclose a portion of the existing rear third storey rooftop deck into habitable space).
250 m away · filed Jun 2, 2026 · Approved
106 Scollard St · Minor variance
To alter the existing residential dwelling unit by converting it into two separate residential dwelling units (occupying the second and third storeys of the existing three-storey mixed-use building). Also, to extend the existing commercial unit (currently occupying the ground floor) into the basement.
210 m away · filed Mar 19, 2026 · Approved
3 New St · Minor variance
To alter the existing three-storey building by constructing a rear third storey addition (converting the existing third floor balcony into habitable space), a complete fourth storey addition with a front balcony (above the third floor), and a rooftop mechanical unit with screening. The existing integral two-car garage will be maintained and unaltered. This building which used to contain commercial / live-work use will only contain residential use.
160 m away · filed Mar 6, 2026 · Approved
17 Bernard Ave · Minor variance
To alter the existing rear one-storey detached ancillary building (one-car garage), by constructing a one-storey addition in front of the existing garage. Thise altered ancillary building will contain two tandem parking spaces.
240 m away · filed Mar 5, 2026 · Approved
180 Davenport Rd · Minor variance
To alter the existing buildings (municipally known as 178A and 180 Davenport Road, under the same ownership) by constructing a two-storey middle addition that will connect the two buildings internally. Also, to construct a rear third storey addition with a rear terrace, a mechanical penthouse, rooftop access enclosure and a covered rooftop terrace. This building will contain one commercial unit (occupying the basement, ground and second storeys) and one residential dwelling unit (occupying the third storey).
240 m away · filed Jan 29, 2026 · Approved
20 Tranby Ave · Minor variance
To alter the existing three-storey detached dwelling by constructing a new roof for the existing rear one-storey addition, extending the rear second storey roof, and interior alterations. Also, to permit and maintain the existing one-storey front addition with a front porch with stairs and bay window.
230 m away · filed Nov 25, 2025 · Approved
122 Avenue Rd · Minor variance
To permit the interior demolition on the ground floor and the north side door (temporary opening to facilitate the removal of dirt for the underpinned basement) constructed without an authorized building permit on the existing one-and-one-half-storey detached building, currently vacant and under construction. Also, to alter the existing one-and-one-half-storey detached building by constructing a basement level extension, and a second storey addition (mezzanine) with a front second storey rooftop patio for a new eating establishment. No loading spaces will be provided.
190 m away · filed Aug 19, 2025 · 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.