Toronto address · Ward 11, University-Rosedale
252 Bloor St W
O.I.S.E
The City of Toronto has 45 building permits since 2017 (18 still open) 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.
- Permit issued
Plumbing
Plumbing - Interior renovation to 3rd floor existing office and classroom spaces. Modifications to plumbing, HVAC and electrical upgrades.
Applied Apr 29, 2026 · issued Sep 2, 2026 · Permit 26 152221 PLB
- Permit issued
Heating and ventilation
HVAC - Interior renovation to 3rd floor existing office and classroom spaces. Modifications to plumbing, HVAC and electrical upgrades.
Applied Apr 29, 2026 · issued Sep 2, 2026 · Permit 26 152221 HVA
- Permit issued
Addition or alteration · Interior alterations
Interior renovation to 3rd floor. Change of use from existing offices to classroom spaces. Modifications to plumbing, HVAC and electrical upgrades. Occupant load increased from existing 307 to 660 persons.
Applied Apr 29, 2026 · issued Sep 2, 2026 · Permit 26 152221 BLD
- Permit issued
Fire and security upgrade · Other
Proposal to replace Fire Pump
Applied Feb 4, 2026 · issued Mar 10, 2026 · Permit 26 113049 FSU
- Permit issued
Addition or alteration · Other
Proposal for rooftop solar installation.
Applied Dec 29, 2025 · issued Feb 24, 2026 · Permit 25 270393 BLD
- Inspections under way
Addition or alteration · Interior alterations
Proposed interior alterations to the north portion of the 10th floor to create an office and study area.
Applied Dec 15, 2025 · issued Feb 11, 2026 · Permit 25 266312 BLD
- Permit issued
Plumbing
Plumbing - Proposed interior alterations to the north portion of the 10th floor to create an office and study area.
Applied Dec 15, 2025 · issued Feb 11, 2026 · Permit 25 266312 PLB
- Inspections under way
Heating and ventilation
HVAC - Proposed interior alterations to the north portion of the 10th floor to create an office and study area.
Applied Dec 15, 2025 · issued Feb 11, 2026 · Permit 25 266312 HVA
- Closed
Addition or alteration · Interior alterations
Proposal for interior alterations - Revitalise classroom 2-227 and relocate existing Mechanical Equipment to suit new layout
Applied Nov 19, 2024 · issued Jan 24, 2025 · completed Mar 24, 2026 · Permit 24 240788 BLD
- Closed
Heating and ventilation
HVAC - Proposal for interior alterations - Revitalise classroom 2-227 and relocate existing Mechanical Equipment to suit new layout
Applied Nov 19, 2024 · issued Jan 24, 2025 · completed Apr 8, 2026 · Permit 24 240788 HVA
- Closed
Heating and ventilation
Revision #01 - Changes to mechanical permit.HVAC - interior alterations, alteration to roof terrace, construct addition at side
Applied May 30, 2024 · issued Jul 11, 2024 · completed Mar 16, 2026 · Permit 22 238672 HVA (revision 01)
- Cancelled
Addition or alteration · Interior alterations
Proposal for interior alterations to a portion of the 3rd floor level. Education Commons (3-320 general area) - construct demising walls to create a larger lounge area & renovation of the office area with a staff lounge. [University of Toronto 'Ontario Institute for Studies in Education (OISE)']
Applied Oct 13, 2023 · issued Nov 20, 2023 · completed Oct 17, 2025 · Permit 23 214004 BLD
Show 33 more permits
- Cancelled
Plumbing
Plumbing - Proposed interior alterations (3-320 general area).
Applied Oct 13, 2023 · issued Nov 23, 2023 · completed Oct 17, 2025 · Permit 23 214004 PLB
- Cancelled
Heating and ventilation
HVAC - Proposed interior alterations (3-320 general area).
Applied Oct 13, 2023 · issued Nov 23, 2023 · completed Oct 17, 2025 · Permit 23 214004 HVA
- Closed
Heating and ventilation
HVAC - The proposed renovation includes interior upgrades to the Social Justice Education department, to the 12th floor of the building renovation to communal areas, offices, and inclusion for a Universal Washroom. Project includes modifications to HVAC, Plumbing, and Electrical.
Applied May 11, 2023 · issued Jun 13, 2023 · completed Oct 14, 2025 · Permit 23 144625 HVA
- Closed
Addition or alteration · Interior alterations
The proposed renovation includes interior upgrades to the Social Justice Education department, to the 12th floor of the building renovation to communal areas, offices, and inclusion for a Universal Washroom. Project includes modifications to HVAC, Plumbing, and Electrical.
Applied May 11, 2023 · issued Jun 6, 2023 · completed Nov 18, 2025 · Permit 23 144625 BLD
- Closed
Plumbing
Plumbing - The proposed renovation includes interior upgrades to the Social Justice Education department, to the 12th floor of the building renovation to communal areas, offices, and inclusion for a Universal Washroom. Project includes modifications to HVAC, Plumbing, and Electrical.
Applied May 11, 2023 · issued Jun 13, 2023 · completed Feb 6, 2026 · Permit 23 144625 PLB
- Closed
Heating and ventilation
HVAC - interior alterations, alteration to roof terrace, construct addition at side
Applied Dec 12, 2022 · issued Feb 24, 2023 · completed Mar 16, 2026 · Permit 22 238672 HVA
- Closed
Addition or alteration · Multiple projects
interior alterations, alteration to roof terrace, construct addition at side
Applied Dec 12, 2022 · issued Feb 24, 2023 · completed May 8, 2026 · Permit 22 238672 BLD
- Closed
Plumbing
Plumbing - interior alterations, alteration to roof terrace, construct addition at side
Applied Dec 12, 2022 · issued Feb 24, 2023 · completed Mar 11, 2026 · Permit 22 238672 PLB
- Application on hold
Fire and security upgrade
FS - Sprinkler Shop Drawing - REPLACEMENT OF EXISTING U OF T OWNED HYDRO VAULT WITH TORONTO HYDRO SIDEWALK VAULT. REMOVAL OF EXISTING HYDRO VAULT SLAB, INSTALLATION OF NEW FRAMING, REPAIR OF PODIUM DECK CONCRETE DETERIORATION, INSTALLATION OF NEW WATERPROOFING SYSTEMS AND HARD LANDSCAPING. RE-ROUTING OF HVAC DUCTWORK AND INSTALLATION OF NEW SLAB-ON-GRADE DRAIN
Applied Sep 8, 2021 · Permit 21 196136 FSU
- Inspections under way
Addition or alteration · Interior alterations
Replacement of existing u of t owned hydro vault with toronto hydro sidewalk vault. Removal of existing hydro vault slab, installation of new framing, repair of podium deck concrete deterioration, installation of new waterproofing systems and hard landscaping. Re-routing of hvac ductwork and installation of new slab-on-grade drain
Applied Aug 10, 2021 · issued Oct 14, 2021 · Permit 21 196136 BLD
- Inspections under way
Plumbing
Plumbing - REPLACEMENT OF EXISTING U OF T OWNED HYDRO VAULT WITH TORONTO HYDRO SIDEWALK VAULT. REMOVAL OF EXISTING HYDRO VAULT SLAB, INSTALLATION OF NEW FRAMING, REPAIR OF PODIUM DECK CONCRETE DETERIORATION, INSTALLATION OF NEW WATERPROOFING SYSTEMS AND HARD LANDSCAPING. RE-ROUTING OF HVAC DUCTWORK AND INSTALLATION OF NEW SLAB-ON-GRADE DRAIN
Applied Aug 10, 2021 · issued Oct 14, 2021 · Permit 21 196136 PLB
- Inspections under way
Heating and ventilation
Hvac - replacement of existing u of t owned hydro vault with toronto hydro sidewalk vault. Removal of existing hydro vault slab, installation of new framing, repair of podium deck concrete deterioration, installation of new waterproofing systems and hard landscaping. Re-routing of hvac ductwork and installation of new slab-on-grade drain
Applied Aug 10, 2021 · issued Oct 14, 2021 · Permit 21 196136 HVA
- Permit issued
Fire and security upgrade · Fire alarm
Proposal to upgrade the fire alarm system on the10th floor of existing university building - University of Toronto
Applied Jun 4, 2021 · issued Jul 6, 2021 · Permit 21 165588 FSU
- Closed
Designated structure · Sign building permit related
The proposal contains one illuminated ground sign, displaying static copy located along the southerly frontage, perpendicular to Bloor St W. The sign contains two sign faces.*****UNIVERSITY OF TORONTO*****
Applied Apr 1, 2021 · issued Apr 30, 2021 · completed May 27, 2021 · Permit 21 134967 DST
- Closed
Designated structure · Sign building permit related
To erect and display two wall signs, one illuminated on the south elevation and one non-illuminated on the west elevation of the building. Both signs displaying static copy.***OISE*******UNIVERSITY OF TORONTO****
Applied Mar 3, 2020 · issued Aug 20, 2020 · completed May 27, 2021 · Permit 20 121144 DST
- Closed
Plumbing
Plumbing - Proposal interior alterations ground floor lobby existing building.
Applied Oct 9, 2019 · issued Oct 9, 2019 · completed Oct 6, 2020 · Permit 19 196052 PLB
- Closed
Heating and ventilation
HVAC - Proposal interior alterations ground floor lobby existing building.
Applied Jul 26, 2019 · issued Sep 11, 2019 · completed Dec 11, 2020 · Permit 19 196052 HVA
- Closed
Addition or alteration · Interior alterations
Proposal interior alterations ground floor lobby existing building.
Applied Jul 26, 2019 · issued Aug 12, 2019 · completed Oct 6, 2020 · Permit 19 196052 BLD
- Closed
Plumbing · Backflow prevention devices (Water only)
Proposal to install backflow prevention device for existing university.
Applied Apr 11, 2019 · issued May 21, 2019 · completed Nov 30, 2020 · Permit 19 138746 PSA
- Closed
Addition or alteration · Interior alterations
Installation of new Barrier Free Ramp at the entrance & St.George TTC station Acess.
Applied Jun 18, 2018 · issued Jun 26, 2018 · completed Feb 8, 2019 · Permit 18 180179 BLD
- Cancelled
Addition or alteration · Interior alterations
Proposal for interior alterations to 2 classrooms on the basement level and 10th floor of existing university buidling - University of Toronto
Applied May 8, 2018 · issued May 16, 2018 · completed Aug 29, 2022 · Permit 18 155318 BLD
- Closed
Plumbing
Plumbing - Proposed interior alterations to the existing office space for the "University of Toronto"
Applied Jan 26, 2017 · issued Feb 21, 2017 · completed Sep 7, 2017 · Permit 17 109421 PLB
- Closed
Heating and ventilation
HVAC - Proposed interior alterations to the existing office space for the "University of Toronto"
Applied Jan 26, 2017 · issued Feb 21, 2017 · completed Nov 29, 2019 · Permit 17 109421 HVA
- Closed
Addition or alteration · Interior alterations
Proposed interior alterations to the existing office space at 4 th Floor ,for the "University of Toronto"
Applied Jan 26, 2017 · issued Feb 14, 2017 · completed Dec 10, 2019 · Permit 17 109421 BLD
- Closed
Addition or alteration · Other
Proposal to allow minimal alteration to foundation to allow for buried pipes and service for heating and cooling only to the adajacent building at 246 Bloor St W - 16-101967
Applied Jan 21, 2016 · issued Jan 26, 2016 · completed Dec 22, 2017 · Permit 16 107087 BLD
- Inspections under way
Fire and security upgrade · Electromagnetic locks
Proposal to install 5 electromagnetic locks at OISE, ground security lobby and concourse level
Applied Jul 23, 2014 · issued Aug 7, 2014 · Permit 14 195374 FSU
- Permit issued
Plumbing · Backflow prevention devices (Water only)
permit to install one back flow device in basement of existing university building
Applied Jul 24, 2012 · issued Aug 17, 2012 · Permit 12 216989 PSA
- Closed
Addition or alteration · Interior alterations
Proposal for interior alterations to portions of floors 5 and 12 for new classrooms and offices. OISE building for University of Toronto.
Applied May 25, 2011 · issued Jul 12, 2011 · completed Jul 14, 2020 · Permit 11 202610 BLD
- Permit issued
Plumbing
Plumbing - Permit for interior alterations to mezzanine level of existing Library - U of T
Applied Oct 12, 2010 · issued Mar 12, 2013 · Permit 10 273884 PLB
- Inspections under way
Addition or alteration · Interior alterations
interior alterations to existing U of T building - floor 5 North/
Applied Jul 26, 2007 · issued Aug 13, 2007 · Permit 07 247873 BLD
- Closed (dormant)
Heating and ventilation
alter hvac system concourse level
Applied Feb 12, 2002 · issued Mar 19, 2002 · completed Jun 8, 2026 · Permit 02 109739 HVA
- Permit issued
Addition or alteration · Interior alterations
make interior alterations to concourse level for pressurized vestibule for smoke control
Applied Feb 11, 2002 · issued Mar 19, 2002 · Permit 02 109739 BLD
- Closed (dormant)
Plumbing · Unknown
Install plumbing fixture on 4th floor: 1 kitchen sink refer to application number: 413445
Applied Jun 15, 1998 · issued Jul 15, 1998 · completed Jun 8, 2026 · Permit 98 017860 PLB
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 appeal
28 storeys · 398 homes · Mixed use
130 m away · Site plan · Under appeal · filed May 17, 2021
- Under review
42 homes · Residential
200 m away · Condominium · Under review · filed Oct 29, 2021
- Under review
36 storeys · 426 homes · Residential
210 m away · Rezoning · Under review · filed Aug 26, 2026
- Under appeal
36 storeys · Not stated in the file
210 m away · Site plan · Under appeal · filed Oct 1, 2021
- Approved
300 Bloor Street West and 478 Huron Street
34 storeys · 339 homes · Residential
310 m away · Condominium · Approved · filed Mar 17, 2026
- Approved
33-49 Avenue Road and 136-150 Yorkville Avenue
31 storeys · Mixed use
390 m away · Site plan · Approved · filed Apr 28, 2021
Neighbours’ Committee of Adjustment files within 250 m
210 Bloor St W · Minor variance
To permit one 36-storey mixed-use building, which will span across two lots, for a private student residence use. There will be a total of 426 dwelling units, and 220.5 m² of non-residential retail uses (at-grade) within this building. The properties municipally known as 208 Bloor Street West and 210 Bloor Street West are currently under separate ownership and governed by separate Site-Specific Zoning By-laws (By-law 782-2022(OLT), and By-law 778-2024). In the near future, both properties will merge on title under one single entity to facilitate this new development. There is a current Site P…
220 m away · filed Mar 18, 2026 · Refused
208 Bloor St W · Minor variance
To permit one 36-storey mixed-use building, which will span across two lots, for a private student residence use. There will be a total of 426 dwelling units, and 220.5 m² of non-residential retail uses (at-grade) within this building. The properties municipally known as 208 Bloor Street West and 210 Bloor Street West are currently under separate ownership and governed by separate Site-Specific Zoning By-laws (By-law 782-2022(OLT), and By-law 778-2024). In the near future, both properties will merge on title under one single entity to facilitate this new development. There is a current Site P…
230 m away · filed Mar 18, 2026 · Refused
64 Prince Arthur Ave · Minor variance
To alter the development standards for a 13-storey mixed-use building with a three-level underground garage (approved by Site Specific Zoning By-Law 1144-2023), by increasing the number of storeys and building height from 13-storeys (43 m) to 15-storeys (55 m), increasing the permitted gross floor area, as well as reducing setbacks, minimum separations distances, and the number of parking spaces. A type "C" loading space will be provided and parking space access will be provided by a vehicular elevator. There will be a total of 40 residential dwelling units within the building on the lot.
120 m away · filed Jun 9, 2025 · Approved
83 Lowther Ave · Minor variance
To alter the existing townhouse dwelling (containing six split levels) by constructing a front dormer with a balcony, and a rear addition with a deck, on the sixth level.
150 m away · filed Apr 24, 2025 · Approved
145 St George St · Minor variance
To alter the development standards (as approved under Site Specific By-law 750-2023) for the 12-storey apartment building by increasing building heights and gross floor area, and reducing building setbacks and amenity gross floor area. A related Site Plan Application (21 155930 STE 11 SA) is currently under review.
120 m away · filed Apr 24, 2025 · Refused
36 Prince Arthur Ave · Minor variance
To convert the existing two-and-one-half-storey commercial building (eating establishment) into a mixed-use building by constructing a rear five-storey addition. This altered building will contain one non-residential unit (including one bar/pub, and five office spaces), one residential dwelling unit (to be located on the fifth storey), side (west) third and fourth storey terraces, a side (east) fifth storey terraces, a rear parking pad (for one visitor parking space and one accessible parking space), and a rear yard ancillary building (waste and recyclable material storage shed). This existin…
180 m away · filed Oct 10, 2024 · Approved
23 Bedford Rd · Minor variance
To alter the existing three-storey building containing office and residential uses, by removing the existing covered parking area between the east and west wing of the building and constructing a ground floor addition for new infilled office space with a new lobby entrance. One parking space will be provided on-site.
180 m away · filed Apr 5, 2023 · Approved
72 Lowther Ave · Minor variance
To alter the existing two-and-one-half-storey detached dwelling by constructing a rear one-storey addition with a second storey roof deck and a ground level water feature (small reflecting pool). Also, to construct a one-storey ancillary building (detached garage) in the rear yard of the property.
230 m away · filed Feb 6, 2023 · 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.