Toronto address · Ward 9, Davenport
18 Chesley Ave
The City of Toronto has 11 building permits since 2017 (5 still open) 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.
- Permit issued
Small residential project · New laneway / rear yard suite
Proposed Laneway House at backyard
Applied Apr 15, 2026 · issued Aug 21, 2026 · 1 home added · Permit 26 144487 BLD
- Permit issued
Drains and site services
Drain - Proposed Laneway House at backyard
Applied Apr 15, 2026 · issued Aug 21, 2026 · Permit 26 144487 DRN
- Inspections under way
Heating and ventilation
HVAC - Proposal for a 2 storey rear addition, underpinning, interior alterations, front basement walkout, rear deck and convert to 2 units.
Applied Dec 5, 2025 · issued Dec 16, 2025 · Permit 24 186924 HVA
- Closed
Drains and site services
Drain - Proposal for a 2 storey rear addition, underpinning, interior alterations, front basement walkout, rear deck and convert to 2 units.
Applied Jul 7, 2025 · issued Jul 7, 2025 · completed Sep 26, 2025 · Permit 24 186924 DRN
- Inspections under way
Plumbing
Plumbing - Proposal for a 2 storey rear addition, underpinning, interior alterations, front basement walkout, rear deck and convert to 2 units.
Applied Jul 7, 2025 · issued Jul 7, 2025 · Permit 24 186924 PLB
- Inspections under way
Small residential project · Multiple projects
Proposal for a 2 storey rear addition, underpinning, interior alterations, front basement walkout, rear deck and convert to 2 units.
Applied Jul 24, 2024 · issued Mar 31, 2025 · 1 home added · Permit 24 186924 BLD
- Cancelled
Heating and ventilation
HVAC - Proposal for a rear addition, interior alterations, underpinning of basement, secondary suite in the basement, rear deck and below grade entrance.
Applied Aug 17, 2021 · issued Aug 24, 2021 · completed May 8, 2026 · Permit 21 199537 HVA
- Cancelled
Plumbing
Plumbing - Proposal for a rear addition, interior alterations, underpinning of basement, secondary suite in the basement, rear deck and below grade entrance.
Applied Aug 17, 2021 · issued Aug 24, 2021 · completed May 8, 2026 · Permit 21 199537 PLB
- Cancelled
Small residential project · Multiple projects
Proposal for a rear addition, interior alterations, underpinning of basement, secondary suite in the basement, rear deck and below grade entrance.
Applied Aug 17, 2021 · issued Aug 24, 2021 · completed May 8, 2026 · 1 home added · Permit 21 199537 BLD
- Cancelled
Drains and site services
Drain - Proposal for a rear addition, interior alterations, underpinning of basement, secondary suite in the basement, rear deck and below grade entrance.
Applied Aug 17, 2021 · issued Aug 24, 2021 · completed May 8, 2026 · Permit 21 199537 DRN
- Closed
Drains and site services · Back water valve (Sewer only)
Proposed back water valve
Applied Oct 30, 2018 · issued Oct 30, 2018 · completed Oct 31, 2018 · Permit 18 249768 DRN
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 · R addition
To alter the existing two-storey detached dwelling by constructing a two-storey rear addition and interior alterations to accommodate two secondary suites.
Decision: Refused (hearing May 26, 2021)
Filed Jan 14, 2021 · File A0044/21TEY
What’s planned nearby
Development sites within 500 m
- Approved
- Approved
9 storeys · Residential
430 m away · Rezoning · Approved · filed Mar 23, 2026
Neighbours’ Committee of Adjustment files within 250 m
367 Brock Ave · Minor variance
210 m away · filed Jul 13, 2026 · Postponed
148 Margueretta St · Minor variance
To alter the existing rear one-storey detached ancillary building (one-car garage abutting the laneway) by constructing a complete second storey addition (to contain one laneway suite) with a side (east) dormer, and a covered second storey balcony at the northwest corner. The second storey of this ancillary building will be cantilevered on the east side. There will be a total of four residential dwelling units on this lot (three units within the main dwelling, and one unit within the ancillary building).
180 m away · filed Apr 7, 2026 · Approved
204 Margueretta St · Minor variance
To legalize and to maintain the rear and side (south) roof (canopy) which was constructed without an authorized building permit. There will be a total of one residential dwelling unit on this lot (within the existing two-and-one-half storey detached dwelling).
230 m away · filed Sep 10, 2025 · Approved
155 Margueretta St · Minor variance
To alter the existing two-storey semi-detached dwelling by constructing a new one-storey ancillary building (detached garage) in the rear yard. This ancillary building will not be used for habitable space.
140 m away · filed Aug 25, 2025 · Approved
137 Margueretta St · Minor variance
To alter the existing two- storey detached dwelling by constructing a rear second storey addition, a complete third storey addition with a rear balcony, a rear ground level porch, and a basement walkout. There will be a total of two residential dwelling units on this lot (one unit within the basement level, and one unit to occupy the first, second, and third levels).
140 m away · filed Aug 15, 2025 · Approved
139 Margueretta St · Minor variance
To construct a one-storey ancillary building (detached garage) in the rear yard, abutting the laneway. The existing garage will be demolished.
140 m away · filed Sep 6, 2024 · Approved
88 Margueretta St · Minor variance
To alter the existing two-storey townhouse dwelling by constructing a front basement walkout entry with stairs.
240 m away · filed Sep 6, 2024 · Approved
429 Brock Ave · Minor variance
To construct a new two-storey ancillary building (containing one laneway suite on both levels), in the rear yard, abutting the laneway. The existing detached garage will be demolished.
30 m away · filed May 27, 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.