Toronto address · Ward 12, Toronto-St. Paul's
298 Lonsdale Rd
The City of Toronto has 25 building permits since 2017 (14 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
Temporary structure · Other temporary tents
Proposal to install a temporary tent (30' X30') from May 30 to June 2, 2026
Applied Apr 16, 2026 · issued Apr 17, 2026 · Permit 26 144736 TPS
- Closed
Temporary structure · Other temporary tents
Proposal to install a temporary tent (30' X30') from June 4 to June 5, 2025
Applied Apr 30, 2025 · issued May 1, 2025 · completed Mar 17, 2026 · Permit 25 151837 TPS
- Closed
Addition or alteration · Interior alterations
REVISION - re-submission for the building sprinkler permitProposal to construct interior alterations to the Boarding Commons space with upgrades to the existing HVAC and plumbing system.
Applied Oct 16, 2023 · issued Nov 10, 2023 · completed Mar 22, 2024 · Permit 23 133605 BLD (revision 01)
- Closed
Addition or alteration · Other
Replacement of stair handrails and guards in existing exit stair F.
Applied Jul 27, 2023 · issued Aug 29, 2023 · completed May 14, 2024 · Permit 23 180760 BLD
- Closed
Plumbing
Plumbing - Proposal to construct interior alterations to the Boarding Commons space with upgrades to the existing HVAC and plumbing system.
Applied Apr 13, 2023 · issued Jul 10, 2023 · completed Oct 24, 2023 · Permit 23 133605 PLB
- Closed
Addition or alteration · Interior alterations
Proposal to construct interior alterations to the Boarding Commons space with upgrades to the existing HVAC and plumbing system.
Applied Apr 13, 2023 · issued Jul 10, 2023 · completed Mar 22, 2024 · Permit 23 133605 BLD
- Closed
Heating and ventilation
HVAC - Proposal to construct interior alterations to the Boarding Commons space with upgrades to the existing HVAC and plumbing system.
Applied Apr 13, 2023 · issued Jul 10, 2023 · completed Oct 31, 2023 · Permit 23 133605 HVA
- Closed
Addition or alteration · Other
Proposal for the installation of extensive green roof on top of a 1 storey roof slab of an existing Secondary School.
Applied Jun 21, 2019 · issued Jul 26, 2019 · completed Sep 6, 2019 · Permit 19 176156 BLD
- Closed
Designated structure · Solar collector
Proposed installation of 10kW rooftop solar pv system.
Applied Nov 28, 2017 · issued Dec 14, 2017 · completed Feb 20, 2018 · Permit 17 268042 DST
- Closed
Plumbing · Fixtures/Roof Drains: other
Proposal to replace the sinks in the 2nd floor science lab of an existing secondary school - "Bishop Strachan School"
Applied Sep 21, 2017 · issued Oct 19, 2017 · completed Nov 3, 2017 · Permit 17 236978 PSA
- Inspections under way
Addition or alteration · Interior demolition
Proposal for interior demolition to the music room in an existing secondary school - Room 623, "Bishop Strachan School" - Phase 1
Applied May 7, 2017 · issued May 16, 2017 · Permit 17 155524 BLD
- Revision issued
Heating and ventilation
Revision 01 - relocation of AHUHVAC - Proposal to construct a 2 sty rear addition for the new Science, Technology, Engineering and Math (S.T.E.M.) Labs with mechanical roof top above, new gymnasium below grade, and interior alterations for new Arts Centre to existing Bishop Strachan School. Note: See separate permits for generator relocation and demolition of Head Master's house.
Applied Jan 19, 2017 · issued Feb 17, 2017 · Permit 14 156648 HVA (revision 01)
Show 13 more permits
- Inspections under way
Fire and security upgrade · Sprinklers
Proposal to install sprinkler system in residence.
Applied Jul 6, 2016 · issued Aug 8, 2016 · Permit 16 185836 FSU
- Inspections under way
Addition or alteration · Interior alterations
Interior alterations to devide existing room 266
Applied Apr 27, 2016 · issued May 24, 2016 · Permit 16 146885 BLD
- Closed
Temporary structure · Certified tents
Proposal to install 1 certified tent (#14-251056), 20m X 35m Hoecker Frame tent from June 13th to June 18, 2016 - Bishop Strachan School.
Applied Apr 19, 2016 · issued May 3, 2016 · completed Aug 15, 2025 · Permit 16 142534 TPS
- Permit issued
Addition or alteration · Interior alterations
Interior alterations to an existing office room to create 3 offices and a meeting room.
Applied Feb 3, 2015 · issued Feb 26, 2015 · Permit 15 111497 BLD
- Permit issued
Plumbing · Backflow prevention devices (Water only)
Proposal to install 1 backflow prevention device in an existing secondary school - Bishop Strachan School.
Applied Jan 22, 2015 · issued Feb 11, 2015 · Permit 15 107350 PSA
- Inspections under way
Drains and site services · Inside and outside drains
Drain - Proposal to construct a 2 sty rear addition for the new Science, Technology, Engineering and Math (S.T.E.M.) Labs with mechanical roof top above, new gymnasium below grade, and interior alterations for new Arts Centre to existing Bishop Strachan School. Note: See separate permits for generator relocation and demolition of Head Master's house.
Applied Jun 3, 2014 · issued Jul 29, 2014 · Permit 14 156648 STS
- Closed
Demolition
Proposal to demo existing 2 sty Head Masters House (containing 1 dwelling unit. No replacement dwelling. NOTE: See active BLD permit for addition to private school 14 156648. Bishop Strachan School.
Applied May 15, 2014 · issued Jul 8, 2014 · completed Dec 23, 2025 · 1 home removed · Permit 14 157404 DEM
- Inspections under way
Addition or alteration · Multiple projects
Proposal to construct a 2 sty rear addition for the new Science, Technology, Engineering and Math (S.T.E.M.) Labs with mechanical roof top above, new gymnasium below grade, and interior alterations for new Arts Centre to existing Bishop Strachan School. Note: See separate permits for generator relocation and demolition of Head Master's house.
Applied May 14, 2014 · issued Oct 6, 2015 · Permit 14 156648 BLD
- Inspections under way
Plumbing
Plumbing - Proposal to construct a 2 sty rear addition for the new Science, Technology, Engineering and Math (S.T.E.M.) Labs with mechanical roof top above, new gymnasium below grade, and interior alterations for new Arts Centre to existing Bishop Strachan School. Note: See separate permits for generator relocation and demolition of Head Master's house.
Applied May 14, 2014 · issued Jul 28, 2014 · Permit 14 156648 PLB
- Inspections under way
Heating and ventilation
HVAC - Proposal to construct a 2 sty rear addition for the new Science, Technology, Engineering and Math (S.T.E.M.) Labs with mechanical roof top above, new gymnasium below grade, and interior alterations for new Arts Centre to existing Bishop Strachan School. Note: See separate permits for generator relocation and demolition of Head Master's house.
Applied May 14, 2014 · issued Aug 14, 2014 · Permit 14 156648 HVA
- Permit issued
Plumbing
Plumbing - Proposal to erect structure on roof to support generator that is being relocatd from the grade to roof on boiler building at existing private school. The Bishop Strachan School.
Applied May 6, 2014 · issued May 27, 2014 · Permit 14 152509 PLB
- Inspections under way
Addition or alteration · Multiple projects
Proposal to erect structure on roof to support generator that is being relocated from the grade to roof on boiler building at existing private school. The Bishop Strachan School.
Applied May 6, 2014 · issued May 20, 2014 · Permit 14 152509 BLD
- Permit issued
Heating and ventilation
HVAC - Proposal to erect structure on roof to support generator that is being relocatd from the grade to roof on boiler building at existing private school. The Bishop Strachan School.
Applied May 6, 2014 · issued May 27, 2014 · Permit 14 152509 HVA
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 review
7 storeys · 16 homes · Residential
260 m away · Site plan · Under review · filed Jul 15, 2026
- Approved
14 storeys · 54 homes · Mixed use
400 m away · Rezoning · Approved · filed Dec 15, 2025
Neighbours’ Committee of Adjustment files within 250 m
173 Warren Rd · Minor variance
To alter the existing two-and-one-half-storey detached dwelling by constructing a front three-storey addition with bay windows at the first and second storeys, a front second floor addition with a bay window, a front first floor addition with a bay window, a rear ground floor addition with a cupola, a rear second storey addition over the existing first floor addition, and a side (south) second and third floor addition with bay windows. Also to construct a new front porch (portico) with stairs and front third floor dormer additions.
210 m away · filed Apr 20, 2026 · Approved
3 Frybrook Rd · Minor variance
To alter the existing three-storey detached dwelling by constructing rear one-storey additions (on both sides of the vestibule), and a rear two-storey addition. Also, to reconstruct the existing rear one-storey addition (abutting a portion of the side (west) lot line). This property has Heritage designation.
210 m away · filed Jan 15, 2026 · Approved
336 Russell Hill Rd · Minor variance
To construct a new three-storey detached dwelling with an integral garage (leading to 3 parking spaces within the basement level), a raised rear ground floor terrace, a rear third storey balcony, and a front pilaster. Also, to convert the existing one-storey ancillary building (detached garage in the rear yard), into a two-storey ancillary building (lounge and art studio) by constructing a one-storey side (north) addition and a partial second storey addition.
150 m away · filed Aug 23, 2024 · Approved
390 Russell Hill Rd · Minor variance
To alter the existing two-storey detached dwelling by constructing a rear two-storey addition, and a rear ground floor terrace with stairs. Also, to construct a new rear in-ground swimming pool with a deck, and to reconstruct the front porch and stairs.
240 m away · filed Jul 24, 2024 · Approved
20 Thelma Ave · Minor variance
To construct a new three-storey detached dwelling with front integral garage, a front driveway, a rear basement walkout, a front second storey balcony, a front third storey balcony, and a roof deck. This dwelling will contain two units (one located in the basement and on the ground floor and one located on the ground floor and second and third storeys).
210 m away · filed Jan 31, 2024 · Approved
29 Thelma Ave · Minor variance
To construct a new three-storey detached dwelling with a front integral garage, a front covered porch, a rear ground floor deck, and a rear second storey balcony.
190 m away · filed Apr 17, 2023 · Approved
307 Russell Hill Rd · Minor variance
To construct a new three-storey detached dwelling with an integral garage and car lift, front and rear balconies on the second floor, and a hammerhead turnaround.
180 m away · filed Jul 15, 2022 · Approved
23 Coulson Ave · Minor variance
To convert the existing two-and-one-half-storey semi-detached dwelling from two units into three units by installing a secondary suite on the third floor. Also, to construct a rear basement walkout entrance, a rear third storey balcony and a rear yard parking pad abutting the existing detached garage.
200 m away · filed May 2, 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.