Toronto address · Ward 10, Spadina-Fort York
21 Canniff St
The City of Toronto has 26 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.
- Closed
Fire and security upgrade · Sprinklers
PROPOSED: Replacement of sprinkler system on P2, P3, and P4 (underground parking garage) levels of existing Bell building.
Applied Nov 13, 2023 · issued Jan 16, 2024 · completed Aug 4, 2026 · Permit 23 225204 FSU
- Permit issued
Addition or alteration · Interior alterations
Relocation of existing partition to prepare future battery room. HVAC, plumbing and electrical modifications to suit.
Applied Jan 4, 2023 · issued Jan 19, 2023 · Permit 23 100538 BLD
- Permit issued
Heating and ventilation
HVAC - Relocation of existing partition to prepare future battery room. HVAC, plumbing and electrical modifications to suit.
Applied Jan 4, 2023 · issued Feb 9, 2023 · Permit 23 100538 HVA
- Permit issued
Heating and ventilation · Other
Proposal for a additional exhaust fan for future battery storage system.
Applied Feb 24, 2021 · issued Apr 14, 2021 · Permit 21 119985 MSA
- Inspections under way
Addition or alteration · Interior alterations
Proposal for interior alterations on 4th floor of existing office.
Applied Feb 18, 2021 · issued Mar 9, 2021 · Permit 21 117691 BLD
- Inspections under way
Heating and ventilation
HVAC - Proposal for interior alterations on 4th floor of existing office.
Applied Feb 18, 2021 · issued Mar 9, 2021 · Permit 21 117691 HVA
- Permit issued
Plumbing
Plumbing - Proposal for interior alterations to existing ofice space on the 3rd and 4th floors for new data centre - Bell Canada
Applied Dec 18, 2019 · issued Jan 21, 2020 · Permit 19 262626 PLB
- Permit issued
Heating and ventilation
HVAC - Proposal for interior alterations to existing ofice space on the 3rd and 4th floors for new data centre - Bell Canada
Applied Dec 18, 2019 · issued Jan 21, 2020 · Permit 19 262626 HVA
- Permit issued
Addition or alteration · Interior alterations
Proposal for interior alterations to existing ofice space on the 3rd and 4th floors for new data centre - Bell Canada
Applied Dec 18, 2019 · issued Jan 20, 2020 · Permit 19 262626 BLD
- Closed
Heating and ventilation · Other
Propoasal to add and upgrade HVAC system.
Applied Mar 8, 2019 · issued Mar 26, 2019 · completed Dec 17, 2019 · Permit 19 123269 MSA
- Closed
Plumbing · Other
Applied Mar 8, 2019 · issued Mar 26, 2019 · completed Dec 18, 2019 · Permit 19 123280 PSA
- Inspections under way
Designated structure · Other
Replacing rusted/deteirorated cooling tower parts and replace structural supports.
Applied Dec 19, 2017 · issued Jan 16, 2018 · Permit 17 277209 DST
Show 14 more permits
- Inspections under way
Heating and ventilation
HVAC - Replacing rusted/deteirorated cooling tower parts and replace structural supports.
Applied Dec 19, 2017 · issued Jan 23, 2018 · Permit 17 277209 HVA
- Closed
Plumbing · Fixtures/Roof Drains: other
Installation of a sink on the 4th floor
Applied Nov 7, 2017 · issued Nov 14, 2017 · completed Apr 8, 2019 · Permit 17 259339 PSA
- Closed
Addition or alteration · Interior alterations
Proposal to construct interior alterations to ground floor office
Applied Jul 27, 2017 · issued Aug 10, 2017 · completed Oct 6, 2017 · Permit 17 206631 BLD
- Closed
Heating and ventilation
HVAC - Proposal to construct interior alterations to ground floor office
Applied Jul 27, 2017 · issued Aug 10, 2017 · completed Oct 2, 2017 · Permit 17 206631 HVA
- Closed
Plumbing · Piping: other buildings
Replace corroded storm piping in parking level.
Applied Feb 9, 2017 · issued Mar 14, 2017 · completed Dec 7, 2017 · Permit 17 115120 PSA
- Permit issued
Heating and ventilation
HVAC - Proposal for interior alterations including sprinkler alterations to office area on ground floor of Bell building (35m2).
Applied Aug 8, 2012 · issued Aug 13, 2012 · Permit 12 225054 HVA
- Permit issued
Plumbing
Plumbing - Proposal for interior alterations including sprinkler alterations to office area on ground floor of Bell building (35m2).
Applied Aug 8, 2012 · issued Aug 13, 2012 · Permit 12 225054 PLB
- Permit issued
Addition or alteration · Interior alterations
Proposal for interior alterations including sprinkler alterations to office area on ground floor of Bell building (35m2).
Applied Aug 7, 2012 · issued Aug 13, 2012 · Permit 12 225054 BLD
- Inspections under way
Fire and security upgrade · Fire alarm
Permit for fire alarm upgrade to existing office space. All floors.
Applied Feb 9, 2012 · issued Feb 14, 2012 · Permit 12 120234 FSU
- Closed (dormant)
Heating and ventilation · Alter: add on /Ductwork
Proposal to alter exiting diesel fuel systems to existing BELL communications industrial facility.
Applied May 29, 2009 · issued Jun 2, 2009 · completed Jun 8, 2026 · Permit 09 143395 MSA
- Inspections under way
Heating and ventilation
HVAC - Renovation of existing ground floor into 1000sqft raised floor computer centre and support spaces. construction of 4th floor ups room, construction of B4 storage spaces "meet me" room + cylinder room
Applied May 7, 2007 · issued May 9, 2007 · Permit 06 198517 HVA
- Inspections under way
Heating and ventilation
HVAC - Interior alteration to portion of 4th floor equiptment room only of a BELL communications industrial facility. - Interior Alterations
Applied Mar 16, 2006 · issued Mar 23, 2006 · Permit 06 117935 HVA
- Inspections under way
Addition or alteration · Interior alterations
Interior alteration to portion of 4th floor equiptment room only of a BELL communications industrial facility.
Applied Mar 16, 2006 · issued Mar 23, 2006 · Permit 06 117935 BLD
- Inspections under way
Non-residential building permit · Alteration to existing building
Install partitions in basement level 3 to create a storage room and barrier free vestibule and ramp.
Applied Jan 19, 2000 · issued Mar 23, 2000 · Permit 00 122290 CMB
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
- Approved
801-805 Wellington Street West and 53 Strachan Avenue
28 storeys · 296 homes · Residential
70 m away · Rezoning · Approved · filed Mar 17, 2026
- Approved
938-950 King Street West and 95-99 Strachan Avenue
18 storeys · 229 homes · Mixed use
130 m away · Site plan · Approved · filed Aug 4, 2021
- Under review
17 storeys · 227 homes · Mixed use
160 m away · Site plan · Under review · filed Sep 8, 2022
- Under review
13 storeys · Mixed use
180 m away · Site plan · Under review · filed Dec 24, 2021
- Refused
18 storeys · 342 homes · Mixed use
440 m away · Site plan · Refused · filed Aug 11, 2023
- Under review
125-133 Niagara Street and 2 Tecumseth Street
40 storeys · 1,225 homes · Mixed use
460 m away · Site plan · Under review · filed Nov 19, 2021
Neighbours’ Committee of Adjustment files within 250 m
823 Adelaide St W · Minor variance
To construct a new three-and-one-half-storey semi-detached houseplex (duplex) with a front porch with stairs, a front basement entrance with stairs, a rear ground floor deck with stairs, and a rear fourth storey rooftop deck platform. Also, to construct a new one-storey ancillary building (detached garage containing an undersized parking space with a green roof) in the rear yard, with vehicular access from the abutting public lane (Stanley Terrace) along the (side) east lot line. There will be a total of two dwelling units on this lot.
250 m away · filed Apr 27, 2026 · Approved
950 King St W · Minor variance
To alter the development standards (as approved under Site Specific Zoning By-law 686-2023(OLT)) for an 18-storey mixed-use building (which is currently under construction), by constructing one additional storey. There will be a total of 243 residential dwelling units on this lot.
130 m away · filed Mar 4, 2026 · Approved
938 King St W · Minor variance
To alter the development standards as approved under Site Specific Zoning By-law 686-2023(OLT) for an 18-storey mixed-use building. There will be a total of 231 residential dwelling units on this lot.
120 m away · filed Aug 8, 2024 · Approved
62 Stanley Ter · Minor variance
To legalize and to maintain the new three-storey detached dwelling, a carport, and a fourth storey stair enclosure (to access the rooftop patio), that was constructed by demolishing additional walls beyond the limits of the authorized/issued building permit, following the approved Minor Variance Decision Number A0343/20TEY.
210 m away · filed Aug 8, 2023 · Approved
31 Stafford St · Minor variance
To permit the construction of a rear second floor balcony.
160 m away · filed Aug 22, 2022 · Approved
39 Stafford St · Minor variance
To construct a new three-storey detached dwelling on the conveyed lot described in Consent Application B0025/21TEY.
180 m away · filed Mar 1, 2021 · Approved
39 Stafford St · Consent
To obtain consent to sever the property into two undersized residential lots.
180 m away · filed Mar 1, 2021 · Approved
39 Stafford St · Minor variance
To maintain an existing two-storey townhouse dwelling on the retained lot described in Consent Application B0025/21TEY.
180 m away · filed Mar 1, 2021 · 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.