Toronto address · Ward 10, Spadina-Fort York
100 Niagara St
The City of Toronto has 10 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
Addition or alteration · Multiple projects
Proposal to construct a second floor addition and ground floor interior alterations to an existing group d occupancy including associated mechanical, electrical, plumbing and structural work. New ground floor fenestration's not modifying existing rough openings.
Applied Jan 4, 2021 · issued Jan 26, 2021 · completed Mar 14, 2022 · Permit 21 100412 BLD
- Closed
Heating and ventilation
HVAC - Proposal to construct a second floor addition and ground floor interior alterations to an existing group d occupancy including associated mechanical, electrical, plumbing and structural work. New ground floor fenestration's not modifying existing rough openings.
Applied Jan 4, 2021 · issued Jan 26, 2021 · completed Mar 14, 2022 · Permit 21 100412 HVA
- Closed
Plumbing
Plumbing - Proposal to construct a second floor addition and ground floor interior alterations to an existing group d occupancy including associated mechanical, electrical, plumbing and structural work. New ground floor fenestration's not modifying existing rough openings.
Applied Jan 4, 2021 · issued Jan 26, 2021 · completed Mar 14, 2022 · Permit 21 100412 PLB
- Cancelled
Heating and ventilation
HVAC - Proposal to construct a new 2nd floor addition to an existing 1 storey Designer's Studio.See permit 18 256147 BLD for interior alterations.
Applied May 22, 2019 · issued Nov 22, 2019 · completed Dec 9, 2020 · Permit 19 157445 HVA
- Cancelled
Addition or alteration · Addition(s)
Proposal to construct a new 1 storey addition to an existing 1 storey Designer's Studio.See permit 18 256147 BLD for interior alterations.
Applied May 22, 2019 · issued Nov 22, 2019 · completed Dec 9, 2020 · Permit 19 157445 BLD
- Cancelled
Plumbing
Plumbing - Proposal to construct a new 2nd floor addition to an existing 1 storey Designer's Studio.See permit 18 256147 BLD for interior alterations.
Applied May 22, 2019 · issued Nov 22, 2019 · completed Dec 9, 2020 · Permit 19 157445 PLB
- Cancelled
Heating and ventilation
HVAC - Proposal to renovate office space to new layout with mezzanine
Applied Nov 14, 2018 · issued Dec 10, 2018 · completed Dec 9, 2020 · Permit 18 256147 HVA
- Cancelled
Plumbing
Plumbing - Proposal to renovate office space to new layout with mezzanine
Applied Nov 14, 2018 · issued Dec 10, 2018 · completed Dec 9, 2020 · Permit 18 256147 PLB
- Cancelled
Addition or alteration · Interior alterations
Proposed interior alterations for designer's studio.
Applied Nov 14, 2018 · issued Nov 27, 2018 · completed Dec 9, 2020 · Permit 18 256147 BLD
- Closed
Addition or alteration · Interior alterations
Interior alterations to ground floor, relocating plumbing fixtures, & new rooftop HVAC system
Applied May 27, 2005 · issued Jun 3, 2005 · completed Oct 10, 2017 · Permit 05 136715 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 non-residential building by adding a first floor mezzanine, a second storey addition and a rooftop terrace.
Decision: Approved (hearing Oct 9, 2019)
Filed Jun 12, 2019 · File A0614/19TEY
What’s planned nearby
Development sites within 500 m
- Under review
125-133 Niagara Street and 2 Tecumseth Street
40 storeys · 1,225 homes · Mixed use
100 m away · Site plan · Under review · filed Nov 19, 2021
- Under review
18 storeys · Not stated in the file
210 m away · Site plan · Under review · filed Oct 11, 2022
- Under review
21 storeys · 166 homes · Mixed use
220 m away · Site plan · Under review · filed Sep 15, 2022
- Refused
18 storeys · 342 homes · Mixed use
270 m away · Site plan · Refused · filed Aug 11, 2023
- Submitted
37 storeys · 268 homes · Residential
350 m away · Site plan · Submitted · filed Mar 9, 2026
- Under review
1-9 Niagara Street and 18 Portland Street
22 storeys · 182 homes · Mixed use
380 m away · Site plan · Under review · filed Sep 8, 2022
Neighbours’ Committee of Adjustment files within 250 m
675 King St W · Consent
To obtain consent to create a new stratified easement/right-of-way. This stratified easement/right-of-way is a height between grade and 6.1 m for a future cantilevered structure above.
240 m away · filed Feb 2, 2026 · Approved
689 King St W · Consent
To obtain consent to create a new stratified easement/right-of-way. This stratified easement/right-of-way has a height that varies from 4.4 m to 6.1 from grade, for a future cantilevered structure above.
220 m away · filed Apr 8, 2025 · Approved
677 Wellington St W · Minor variance
To legalize and to maintain the location of the prefabricated building (Building 1), abutting Wellington Street West.
230 m away · filed Feb 5, 2025 · Approved
2 Tecumseth St · Minor variance
To alter the development standards (as approved under Site Specific Zoning By-law 1336-2023), for the 33-storey (Building A) and 26-storey (Building C) mixed-use buildings, by increasing the height, gross floor area, and maximum permitted projections of equipment and structures. Also, to reduce the minimum required parking spaces, loading spaces, building setbacks, and separation distances. There will be a total of 1,224 residential dwelling units (including 28 residential affordable rental units) on this lot.
160 m away · filed Oct 31, 2023 · Approved
575 Wellington St W · Minor variance
To permit the extension of the existing lawful non-conforming live/work unit on the second storey of the two-storey mixed-use building, by constructing a rear second storey addition and a rear rooftop deck.
120 m away · filed Aug 9, 2023 · Approved
643 Wellington St W · Minor variance
To construct a new three-storey detached dwelling with a secondary suite within the basement with a rear walkout. There will be two front and one rear secondary storey juliet balconies, a rear third storey terrace, a rear first storey deck, and a rooftop patio with a green roof.
90 m away · filed Mar 14, 2023 · Approved
577 Wellington St W · Minor variance
To alter the existing two-storey non-residential building by constructing third and fourth storey additions, with a rear third storey roof deck.
120 m away · filed Feb 6, 2023 · Approved
2 Tecumseth St · Consent
To obtain consent to sever the property into two lots.
160 m away · filed Jan 19, 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.