Toronto address · Ward 12, Toronto-St. Paul's
20 Warren Rd
The City of Toronto has 11 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 to construct interior alterations to existing coach house
Applied Aug 30, 2019 · issued Sep 9, 2019 · completed Jul 3, 2024 · Permit 17 226934 HVA
- Closed
Heating and ventilation
HVAC - Proposal for a rear 3 storey addition, new 3rd floor addition, interior alterations to all floors, basement underpinning, 2 ground floor decks, one 2nd floor deck, and 3rd floor terrace in existing detached single family dwelling.
Applied Aug 6, 2019 · issued Sep 4, 2019 · completed Jul 3, 2024 · Permit 15 207057 HVA
- Closed
Small residential project · Interior alterations
REV01: Revision to issued permit 17-226934 BLD. Proposal to add new roof canopy to existing coach house. Proposal to construct interior alterations to existing coach house
Applied Oct 29, 2018 · issued Nov 6, 2018 · completed Jul 3, 2024 · Permit 17 226934 BLD (revision 01)
- Closed
Small residential project · Interior alterations
Proposal to construct interior alterations to existing coach house
Applied Sep 1, 2017 · issued Sep 13, 2017 · completed Jul 3, 2024 · Permit 17 226934 BLD
- Closed
Drains and site services
Drain - Proposal to construct interior alterations to existing coach house
Applied Sep 1, 2017 · issued Sep 13, 2017 · completed Jul 3, 2024 · Permit 17 226934 DRN
- Closed
Plumbing
Plumbing - Proposal to construct interior alterations to existing coach house
Applied Sep 1, 2017 · issued Sep 13, 2017 · completed Jul 3, 2024 · Permit 17 226934 PLB
- Closed
Small residential project · Multiple projects
Rev 2 - Proposed revision to second floor deck.Proposal for a rear 3 storey addition, new 3rd floor addition, interior alterations to all floors, basement underpinning, 2 ground floor decks, one 2nd floor deck, and 3rd floor terrace in existing detached single family dwelling.
Applied Jun 15, 2017 · issued Jun 23, 2017 · completed Jul 3, 2024 · Permit 15 207057 BLD (revision 02)
- Closed
Small residential project · Multiple projects
Revision to existing permit- extension to second floor deck
Applied Jan 11, 2016 · issued May 29, 2017 · completed Jul 3, 2024 · Permit 15 207057 BLD (revision 01)
- Closed
Drains and site services
Drain - Proposal for a rear 3 storey addition, new 3rd floor addition, interior alterations to all floors, basement underpinning, 2 ground floor decks, one 2nd floor deck, and 3rd floor terrace in existing detached single family dwelling.
Applied Aug 14, 2015 · issued Oct 23, 2015 · completed Jul 3, 2024 · Permit 15 207057 DRN
- Closed
Plumbing
Plumbing - Proposal for a rear 3 storey addition, new 3rd floor addition, interior alterations to all floors, basement underpinning, 2 ground floor decks, one 2nd floor deck, and 3rd floor terrace in existing detached single family dwelling.
Applied Aug 14, 2015 · issued Oct 23, 2015 · completed Mar 20, 2024 · Permit 15 207057 PLB
- Closed
Small residential project · Multiple projects
Proposal for a rear 3 storey addition, new 3rd floor addition, interior alterations to all floors, basement underpinning, 2 ground floor decks, one 2nd floor deck, and 3rd floor terrace in existing detached single family dwelling.
Applied Aug 14, 2015 · issued Oct 23, 2015 · completed Jul 3, 2024 · Permit 15 207057 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
4 homes · Residential
200 m away · Condominium · Under review · filed Feb 27, 2026
- Under review
175-195 St Clair Avenue West and 273 Poplar Plains Road
13 storeys · 164 homes · Residential
350 m away · Site plan · Under review · filed Sep 29, 2021
- Under review
169-171 Balmoral Avenue and 438-440 Avenue Road
24 storeys · 223 homes · Residential
370 m away · Site plan · Under review · filed Aug 10, 2022
- Under review
49 storeys · Mixed use
480 m away · Site plan · Under review · filed Dec 24, 2025
Neighbours’ Committee of Adjustment files within 250 m
31 Warren Rd · Minor variance
To alter the existing three-storey detached dwelling by constructing a partial two-storey side (north) addition, third storey dormer additions (above the northwest and northeast portions of the dwelling), a partial rear (east) two-storey addition with a basement extension below, front and rear basement walkouts, and a rear (east) covered porch. An in-ground pool will be installed in the rear yard. Also, to construct a new one-storey detached ancillary building (two-car garage) in the front yard, abutting Warren Road.
70 m away · filed Apr 27, 2026 · Approved
65 Clarendon Ave · Minor variance
To alter the existing three-storey semi-detached dwelling by constructing a rear third storey addition with a side (east) third storey balcony (above the second floor).
120 m away · filed Apr 20, 2026 · Approved
85 Lynwood Ave · Minor variance
To convert the existing rear one-storey ancillary building (detached garage in the rear yard) into a one-storey ancillary building (containing a garden suite) by constructing a side (west) addition. There will be a total of two residential dwelling units on this lot (one unit within the main building and one unit within the ancillary building).
140 m away · filed Feb 11, 2026 · Approved
249 Russell Hill Rd · Minor variance
To alter the existing two-and-one-half-storey detached dwelling by constructing rear second and third storey additions, a new front porch with stairs and canopy, new side (north and south) window wells, a new south side covered basement walkout, and a new rear ground floor deck with stairs. Also, to construct a new front stone walkway. The existing rear asphalt driveway will be modified to align with the width of the north wall of the one-storey detached ancillary building (garage that will be maintained and unaltered).
120 m away · filed Jan 27, 2026 · Approved
101 Russell Hill Rd · Minor variance
To alter the existing two-storey detached dwelling by constructing a rear third storey addition with a front terrace (balcony).
200 m away · filed Mar 24, 2025 · Approved
111 Russell Hill Rd · Minor variance
To alter the existing three-storey detached dwelling by constructing front and rear additions on the second level (main floor) and third level, and a fourth storey addition with front and rear patios. There will be a rear addition within the basement (first level) for a pool and hot tub, and a rear at-grade patio.
190 m away · filed Feb 25, 2025 · Approved
15 Warren Rd · Minor variance
To construct a new three-storey detached dwelling with an integral garage with a car lift (for one parking space at grade and two parking spaces below grade in the basement), a partially covered front porch (the second and third storeys are cantilevered at the southwest portion of the dwelling), a rear second floor balcony, a side (south) third floor partially covered rooftop deck and roof garden, and a rear ground floor terrace and deck with an in-ground swimming pool. Also, to construct a one-storey ancillary building (garden pavilion) in the rear yard of the property.
60 m away · filed Jan 10, 2025 · Approved
71 Clarendon Ave · Consent
To obtain consent to create new easements/rights-of-way.
110 m away · filed Dec 31, 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.