Toronto address · Ward 12, Toronto-St. Paul's
20 Helena Ave
The City of Toronto has 4 building permits since 2017 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
Heating and ventilation
HVAC - Proposal for two-storey addition, interior alterations, new rear platform and basement walk-out at rear of existing single family semi-detached dwelling.
Applied May 27, 2016 · issued May 30, 2016 · completed Mar 14, 2017 · Permit 16 118653 HVA
- Closed
Small residential project · Garage
Proposal to construct a detached garage at the rear of an existing single family, semi-detached dwelling.
Applied Mar 3, 2016 · issued Mar 8, 2016 · completed Mar 1, 2017 · Permit 16 123158 BLD
- Closed
Plumbing
Plumbing - Proposal for two-storey addition (38.09m2), interior alterations (54.99m2), and basement entrance at rear of existing single family semi-detached dwelling.
Applied Feb 19, 2016 · issued Feb 26, 2016 · completed Mar 14, 2017 · Permit 16 118653 PLB
- Closed
Small residential project · Multiple projects
Proposal for two-storey addition, interior alterations, new rear platform and basement walk-out at rear of existing single family semi-detached dwelling.
Applied Feb 19, 2016 · issued Feb 26, 2016 · completed Mar 14, 2017 · Permit 16 118653 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
- Under review
35 storeys · 380 homes · Mixed use
250 m away · Site plan · Under review · filed Aug 23, 2022
- Under review
40 storeys · 1,338 homes · Mixed use
270 m away · Condominium · Under review · filed Oct 25, 2021
- Under review
28 storeys · 210 homes · Residential
300 m away · Condominium · Under review · filed Nov 1, 2021
- Approved
34 storeys · 440 homes · Mixed use
320 m away · Site plan · Approved · filed Apr 11, 2022
- Approved
37 storeys · 355 homes · Mixed use
380 m away · Site plan · Approved · filed Sep 16, 2022
- Approved
Neighbours’ Committee of Adjustment files within 250 m
43 Hocken Ave · Minor variance
130 m away · filed Aug 7, 2026 · Postponed
24 Ellsworth Ave · Minor variance
To alter the existing two-storey semi-detached dwelling by constructing a rear two-storey addition (including basement extension) with a rear first storey deck with stairs. Also, to reconstruct the front porch with stairs.
170 m away · filed Dec 11, 2025 · Approved
26 Ellsworth Ave · Minor variance
To alter the existing two-storey semi-detached dwelling by constructing a partial rear third storey addition above the existing rear building footprint.
180 m away · filed Dec 11, 2025 · Approved
54 Vaughan Rd · Minor variance
To permit a residential use below a non-residential use within the existing two-storey mixed-use building by converting the existing vacantbasement into a new two-bedroom residential dwelling unit. The ground floor commercial use (hair salon) will be maintained and there will be a total of two residential dwelling units within the building on the lot (one dwelling unit in the basement and one dwelling unit on the second storey).
160 m away · filed Sep 4, 2025 · Approved
62 Hocken Ave · Minor variance
To alter the existing two-storey detached dwelling by constructing a partial third storey addition with a rooftop deck (above the existing second storey), a front porch with stairs, and a rear two-storey addition with a ground floor deck and patio. The existing rear ground floor deck will be demolished.
200 m away · filed May 8, 2025 · Approved
108 Hilton Ave · Minor variance
To alter the existing two-and-one-half-storey detached dwelling by enclosing the existing front porch into habitable space.
180 m away · filed Jan 3, 2025 · Approved
48 Alcina Ave · Minor variance
To alter the existing two-storey detached dwelling by constructing second and third storey additions.
150 m away · filed Oct 24, 2024 · Approved
90 Alcina Ave · Minor variance
To construct a one-storey ancillary building (two-car garage) at the rear of the existing two-and-one-half-storey semi-detached dwelling, abutting a laneway.
250 m away · filed Aug 29, 2024 · 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.