thepermitmap

Street · 8217 of 8,567 by permit count

Building permits on Welwyn Ave

The City of Toronto has 4 building permits on record for Welwyn Ave, going back to 2025. Those permits created 1 homes and removed 0, a net change of +1. The most recent permit was issued Apr 30, 2025 at 10 Welwyn Ave.

Permits on record
42025–2025
Declared construction value
as filed, not adjusted
Homes created
1dwelling units
Homes removed
0net +1

Most common work

  • Building Permit Related(MS)1 · 25%
  • Building Permit Related(PS)1 · 25%
  • Second Suite (New)1 · 25%
  • Building Permit Related (DR)1 · 25%

Structures worked on

  • 2 Unit - Detached2 · 50%
  • SFD - Detached2 · 50%

Most recent permits

Issued Work What was filed Value Status
Apr 30, 2025 Building Permit Related(PS) Rev 01 - Proposal for a second unit in the basement.Plumbing - Proposal to construct a finished basement in an existing SFD-detached house. Closed
Apr 17, 2025 Building Permit Related(MS) Rev 01 - Proposal for a second unit in the basement.HVAC - Proposal to construct a finished basement in an existing SFD-detached house. Closed
Apr 16, 2025 Building Permit Related (DR) Drain - Proposal to construct a finished basement in an existing SFD-detached house. Closed
Apr 16, 2025 Second Suite (New) Rev 02 - Proposal for a second unit in the basement.REVISION 01: REVISIONS INCLDUING ENLARGING WINDOWProposal to construct a finished basement in an existing SFD-detached house. Closed

The 4 most recent of 4 permits on record. Figures come from the City’s active and cleared permit datasets, refreshed daily — what that covers, and what it misses.

Source
City of Toronto Open Data
Dataset
Building permits, active + cleared
Records
4
City refresh
2026-09-13 10:24
Page built
2026-09-13
Sheet
STR-297