Toronto address · Ward 12, Toronto-St. Paul's
340 Lonsdale Rd
The City of Toronto has 5 building permits since 2017 (4 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
Heating and ventilation · Alter: Boiler/Furnace/AC replacement
Proposal to install two new boilers in basement level of existing apartment building. No other building construction proposed.
Applied May 2, 2012 · issued May 24, 2012 · Permit 12 165015 MSA
- Closed (dormant)
Plumbing · Backflow prevention devices (Water only)
Proposal to install one backflow prevention device
Applied Oct 6, 2009 · issued Nov 5, 2009 · completed Jun 8, 2026 · Permit 09 176211 PSA
- Inspections under way
Plumbing
Plumbing - Additional interior alterations to existing penthouse level suite in 6 storey building for modification of ensuite bath and installation of new fixtures.
Applied Aug 19, 2009 · issued Sep 1, 2009 · Permit 09 159856 PLB
- Inspections under way
Addition or alteration · Interior alterations
Additional interior alterations to existing penthouse level suite in 6 storey building for modification of master bedroom and ensuite bath.
Applied Aug 19, 2009 · issued Sep 1, 2009 · Permit 09 159856 BLD
- Inspections under way
Addition or alteration · Interior alterations
Interior alterations to existing penthouse level suite in 6 storey building for removal of bearing wall between sunroom and kitchen area.
Applied Aug 10, 2009 · issued Aug 19, 2009 · Permit 09 155377 BLD
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
14 storeys · 54 homes · Mixed use
100 m away · Rezoning · Approved · filed Dec 15, 2025
- Under review
7 storeys · 16 homes · Residential
130 m away · Site plan · Under review · filed Jul 15, 2026
- Under review
19 storeys · 98 homes · Mixed use
380 m away · Site plan · Under review · filed Aug 18, 2022
Neighbours’ Committee of Adjustment files within 250 m
7 Relmar Gdns · Consent
To obtain consent to sever a portion of land for the purpose of a lot addition.
130 m away · filed Jan 23, 2026 · Postponed
385 Spadina Rd · Minor variance
To alter the existing two-storey commercial building by constructing a rear second storey addition with a rear second floor patio (above the existing ground floor) to be used in conjunction with the eating establishment that will occupy the ground floor and second floor, with an entertainment area within the basement. Also, to construct a one-storey ancillary building (waste and recyclable material storage) in the rear yard, under the staircase.
110 m away · filed Mar 21, 2025 · Approved
63 Montclair Ave · Minor variance
To alter the redevelopment plan for an 18 and 19-storey residential building, approved under Site Specific Zoning By-law 1181-2022(OLT), by increasing the height of each tower (by one and two storeys) and to increase the gross floor area for this lot, which is currently under construction.
150 m away · filed Mar 5, 2024 · Approved
383 Spadina Rd · Minor variance
To alter the existing two-storey mixed-use building by constructing a new outdoor patio along the front (west) side of the building (fronting Spadina Road).
110 m away · filed Feb 1, 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).
200 m away · filed Jan 31, 2024 · Approved
8 Relmar Rd · Minor variance
To legalize and to maintain the excavated portion of the basement (below the existing covered front porch) and the accessible roof deck that was constructed without an authorized building permit on the three-storey semi-detached dwelling, beyond previous Minor Variance Decision A0058/17TEY.
70 m away · filed Nov 3, 2023 · Approved
8 Relmar Rd · Minor variance
To legalize and to maintain the excavated portion of the basement (below the existing covered front porch) and the accessible roof deck that was constructed without an authorized building permit on the three-storey semi-detached dwelling, beyond previous Minor Variance Decision A0057/17TEY.
70 m away · filed Nov 3, 2023 · Approved
9 Relmar Rd · Minor variance
To construct a new three-storey semi-detached dwelling with a front porch with canopy, a rear ground floor covered deck, a front basement walkout, front second and third storey balconies, and rear second and third storey balconies. Also, to construct a semi-detached garage with a front porch in the rear yard.
40 m away · filed Jul 10, 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.