Toronto address · Ward 18, Willowdale

335 Horsham Ave

The City of Toronto has 13 building permits since 2017 and 3 Committee of Adjustment files 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.

Heating and ventilation
HVAC - PART 2 - West Lot, 335 Horsham AveProposal to construct a new 2 storey SFD-detached dwelling with an integral garage and a finished basement. See also 23 163401 DEM, 21 178898 ZZC and 20 112652 TLAB.
Applied Jan 9, 2024 · issued Feb 7, 2024 · completed Jan 23, 2025 · Permit 23 163416 HVA
Closed
Heating and ventilation
HVAC - PART 1 - East Lot, 333 Horsham AveProposal to construct a new 2 storey SFD-detached dwelling with an integral garage and a finished basement. See also 23 163401 DEM, 21 179706 ZZC and 20 112653 TLAB.
Applied Jan 9, 2024 · issued Feb 7, 2024 · completed Jan 23, 2025 · Permit 23 163426 HVA
Closed
Drains and site services
Drain - PART 1 - East Lot, 333 Horsham AveProposal to construct a new 2 storey SFD-detached dwelling with an integral garage and a finished basement. See also 23 163401 DEM, 21 179706 ZZC and 20 112653 TLAB.
Applied Jun 20, 2023 · issued Aug 14, 2023 · completed Mar 25, 2025 · Permit 23 163426 DRN
Closed
New house · New building
PART 2 - West Lot, 335 Horsham AveProposal to construct a new 2 storey SFD-detached dwelling with an integral garage and a finished basement. See also 23 163401 DEM, 21 178898 ZZC and 20 112652 TLAB.
Applied Jun 20, 2023 · issued Aug 14, 2023 · completed Mar 25, 2025 · 1 home added · Permit 23 163416 BLD
Closed
New house · New building
PART 1 - East Lot, 333 Horsham AveProposal to construct a new 2 storey SFD-detached dwelling with an integral garage and a finished basement. See also 23 163401 DEM, 21 179706 ZZC and 20 112653 TLAB.
Applied Jun 20, 2023 · issued Aug 14, 2023 · completed Jan 10, 2025 · 1 home added · Permit 23 163426 BLD
Closed
Demolition
Proposal to demolish the existing 1 storey SFD-detached dwelling.
Applied Jun 20, 2023 · issued Aug 14, 2023 · completed Sep 29, 2023 · 1 home removed · Permit 23 163401 DEM
Closed
Drains and site services
Drain - PART 2 - West Lot, 335 Horsham AveProposal to construct a new 2 storey SFD-detached dwelling with an integral garage and a finished basement. See also 23 163401 DEM, 21 178898 ZZC and 20 112652 TLAB.
Applied Jun 20, 2023 · issued Aug 14, 2023 · completed Mar 25, 2025 · Permit 23 163416 DRN
Closed
Plumbing
Plumbing - PART 2 - West Lot, 335 Horsham AveProposal to construct a new 2 storey SFD-detached dwelling with an integral garage and a finished basement. See also 23 163401 DEM, 21 178898 ZZC and 20 112652 TLAB.
Applied Jun 20, 2023 · issued Aug 14, 2023 · completed Jan 21, 2025 · Permit 23 163416 PLB
Closed
Plumbing
Plumbing - PART 1 - East Lot, 333 Horsham AveProposal to construct a new 2 storey SFD-detached dwelling with an integral garage and a finished basement. See also 23 163401 DEM, 21 179706 ZZC and 20 112653 TLAB.
Applied Jun 20, 2023 · issued Aug 14, 2023 · completed Jan 10, 2025 · Permit 23 163426 PLB
Closed
Heating and ventilation
To construct a new two-storey single family detached dwelling with an integral garage.the existing dwelling would be demolished.
Applied Mar 12, 2023 · completed Apr 12, 2023 · Permit 23 122560 HVA
Cancelled
Plumbing
To construct a new two-storey single family detached dwelling with an integral garage.the existing dwelling would be demolished.
Applied Mar 12, 2023 · completed Apr 12, 2023 · Permit 23 122560 PLB
Cancelled
New house · New building
To construct a new two-storey single family detached dwelling with an integral garage.the existing dwelling would be demolished.
Applied Mar 12, 2023 · completed Apr 12, 2023 · 1 home added · Permit 23 122560 BLD
Cancelled

Show 1 more permit

Drains and site services
To construct a new two-storey single family detached dwelling with an integral garage.the existing dwelling would be demolished.
Applied Mar 12, 2023 · completed Apr 12, 2023 · Permit 23 122560 DRN
Cancelled

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.

Minor variance · New R building
To construct a new dwelling on PART 2. File Numbers B0035/19NY, A0568/19NY & A0569/19NY will be considered jointly.
Decision: Refused (hearing Jan 16, 2020)
Filed Aug 20, 2019 · File A0568/19NY
Closed
Minor variance · New R building
To construct a new dwelling on PART 1. File Numbers B0035/19NY, A0568/19NY & A0569/19NY will be considered jointly.
Decision: Refused (hearing Jan 16, 2020)
Filed Aug 20, 2019 · File A0569/19NY
Closed
Consent · Sever lot
To obtain consent to sever the property into two undersized residential lots.
Decision: Refused (hearing Jan 16, 2020)
Filed Aug 20, 2019 · 1 new lot · File B0035/19NY
Conditional consent

What’s planned nearby

Development sites within 500 m

No rezoning, site plan, subdivision or condominium file open within 500 m, and no pre-construction project on the site.

Neighbours’ Committee of Adjustment files within 250 m

233 Churchill Ave · Minor variance
To construct a new dwelling. Please note, this application was previously deferred Thursday, January 8, 2026.
230 m away · filed Nov 4, 2025 · Approved
63 Cobden St · Minor variance
To construct a new detached dwelling with a balcony and a Garden Suite in the rear yard.
90 m away · filed Nov 3, 2025 · Approved
59 Cobden St · Minor variance
To construct a new two-storey detached dwelling.
110 m away · filed Sep 29, 2025 · Approved
297 Horsham Ave · Minor variance
To construct a new detached dwelling with an integral garage.
200 m away · filed Sep 23, 2025 · Approved
20 Hazelglen Ave · Minor variance
To construct a new garden suite in the rear yard of the subject property. Please note a previous application (File # A0206/25NY) with respect to the subject property, was before the Committee of Adjustment on Thursday, June 26, 2025, which was ultimately approved on condition.
120 m away · filed Sep 18, 2025 · Approved
20 Hazelglen Ave · Minor variance
To construct a new garden suite at the rear of the existing property.
120 m away · filed May 7, 2025 · Approved
387 Hounslow Ave · Consent
To obtain consent to sever the two existing lots at 387 and 389 Hounslow Avenue to create three new lots. Each new lot would be developed with a new detached dwelling, each requiring variances as outlined in files A0107/24NY, A0108/24NY, and A0109/24NY. Files B0006/24NY, A0107/24NY and B0007/24NY, A0109/24NY, A0108/24NY will be cnsidered jointly.
130 m away · filed Feb 15, 2024 · Refused
389 Hounslow Ave · Consent
To obtain consent to sever the two existing lots at 387 and 389 Hounslow Avenue to create three new lots. The existing detached dwelling would be demolished. Each new lot would be developed with a new detached dwelling, each requiring variances as outlined in files A0107/24NY, A0108/24NY, and A0109/24NY. Files B0006/24NY, A0107/24NY and B0007/24NY, A0109/24NY, A0108/24NY will be cnsidered jointly.
110 m away · filed Feb 15, 2024 · Refused

Everything planned in Willowdale

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.