Toronto address · Ward 18, Willowdale
452 Hounslow Ave
The City of Toronto has 1 building permit since 2017 (1 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.
- Inspections under way
Drains and site services · Back water valve (Sewer only)
Installation of backwater valve
Applied Sep 18, 2026 · issued Sep 21, 2026 · Permit 26 239701 DRN
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
221-237 Finch Avenue West and 43 Finchurst Drive
4 storeys · 122 homes · Not stated in the file
470 m away · Site plan · Under review · filed Dec 12, 2022
Neighbours’ Committee of Adjustment files within 250 m
465 Hounslow Ave · Minor variance
To construct a new detached dwelling with an integral garage and rear deck.
100 m away · filed Aug 26, 2025 · Approved
408 Horsham Ave · Minor variance
To construct a new dwelling. File numbers B0016/25NY, A0313/25NY & A0314/25NY will be jointly considered.
210 m away · filed Jun 25, 2025 · Refused
408 Horsham Ave · Consent
To obtain consent to sever the property into two residential lots and to construct two new dwellings. File numbers B0016/25NY, A0313/25NY & A0314/25NY will be jointly considered.
210 m away · filed Jun 25, 2025 · Refused
408 Horsham Ave · Minor variance
To construct a new dwelling. File numbers B0016/25NY, A0313/25NY & A0314/25NY will be jointly considered.
210 m away · filed Jun 25, 2025 · Refused
348 Horsham Ave · Minor variance
Proposal to construct a new dwelling.
190 m away · filed Jan 19, 2024 · Approved
450 Hounslow Ave · Minor variance
Proposal to construct a new two-storey dwelling with a covered front porch, rear deck, rear balcony and rear basment walk-up.
20 m away · filed Sep 19, 2023 · Approved
492 Hounslow Ave · Minor variance
Proposal to construct new two-storey single family dwelling and rear deck.
240 m away · filed Jan 25, 2023 · Approved
484 Hounslow Ave · Minor variance
Proposal to construct a new dwelling.
180 m away · filed Jan 17, 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.