thepermitmap

Street · 588 of 8,565 by permit count

Building permits on Duplex Ave

The City of Toronto has 291 building permits on record for Duplex Ave, going back to 1996. Those permits created 6 homes and removed 24, a net change of -18. Declared construction value totals $16.3M. The most recent permit was issued Sep 3, 2026 at 814 Duplex Ave.

Permits on record
2911996–2026
Declared construction value
$16.3Mas filed, not adjusted
Homes created
6dwelling units
Homes removed
24net -18

Permits issued per year

20002026 (part year)

Most common work

  • Building Permit Related(PS)54 · 19%
  • Building Permit Related(MS)33 · 11%
  • Demolition33 · 11%
  • Multiple Projects29 · 10%
  • Interior Alterations29 · 10%
  • Building Permit Related (DR)15 · 5%
  • Back Water Valve (Sewer only)14 · 5%
  • Unknown12 · 4%
  • Addition(s)8 · 3%
  • New Building7 · 2%
  • Backflow Prevention Devices (Water only)5 · 2%
  • Other(SR)4 · 1%

Structures worked on

  • SFD - Detached220 · 76%
  • Apartment Building26 · 9%
  • SFD - Semi-Detached21 · 7%
  • Unknown12 · 4%
  • Industrial4 · 1%
  • Personal Service Shop3 · 1%
  • Secondary School1 · 0%
  • Other1 · 0%
  • Underpinning1 · 0%
  • Apartment Hotel1 · 0%
  • Duplex1 · 0%

Where this street runs

Yonge-Eglinton 211 permits
Lawrence Park South 51 permits
Newtonbrook West 9 permits

Most recent permits

Issued Work What was filed Value Status
Sep 3, 2026 Interior Alterations Remove Load Bearing Wall on Main Floor. Replace wall with new Steel Beam recommended by Engineer $10K Open
May 13, 2026 Back Water Valve (Sewer only) Proposal for Backwater valve installation. Closed
Mar 31, 2026 HVAC: Other Group C Buildings Proposal to Installation of a new Split Unit System for all the Suites in the Building to replace the in-floor radiant heating $4.0M Open
Sep 30, 2025 Interior Alterations Proposed planning on changing 1 bedroom (bedroom #3 as shown on the floor plan)to a primary ensuite bathroom $25K Closed
Sep 30, 2025 Building Permit Related(PS) Plumbing - Proposed planning on changing 1 bedroom (bedroom #3 as shown on the floor plan)to a primary ensuite bathroom Closed
Jun 11, 2025 Standpipes Proposal for nstallation of standpipe and fire pump. $110K Open
Jun 6, 2025 Building Permit Related(PS) Plumbing - Convert the vacant space in Unit 0110 for a personal service shop - Uplift Nail Studio Open
Jun 6, 2025 Interior Alterations Convert the vacant space in Unit 0110 for a personal service shop - Uplift Nail Studio $80K Open
Jun 6, 2025 Building Permit Related(MS) HVAC - Convert the vacant space in Unit 0110 for a personal service shop - Uplift Nail Studio Open
Apr 9, 2025 Multiple Projects Revision 04 - Proposal to remove basement bathroom window and a bar with a sink to the rear addition portion of the basement. Revision 03 - Floor and Ridge height adjustment (Revised Elevations).Revision 02 - New brick veneer course to replace existing exterior brick on front only ICF showing brick Open
Mar 20, 2025 Interior Alterations PROPOSAL FOR INTERIOR ALTERATIONS TO GROUND AND SECOND FLOOR $75K Closed
Mar 20, 2025 Building Permit Related(PS) Plumbing - PROPOSAL FOR INTERIOR ALTERATIONS TO GROUND AND SECOND FLOOR Closed
Feb 21, 2025 Interior Alterations Proposal for interior alterations to the ground and second floor of the existing single family dwelling. $75K Closed
Feb 21, 2025 Building Permit Related(PS) Plumbing - Proposal for interior alterations to the ground and second floor of the existing single family dwelling. Closed
Jan 9, 2025 Building Permit Related(MS) HVAC - Proposed new two storey addition, interior alterations throughout existing home and basement underpinning. Closed
Nov 22, 2024 Other(BA) Proposal to supply and install a temporary work platform on the exterior of the building $800K Open
Nov 6, 2024 Back Water Valve (Sewer only) Proposal to install a back water valve Closed
Nov 6, 2024 Multiple Projects Proposal for addition to enclose existing front porch of the single family dwelling and construct new stairs. $30K Closed
Sep 13, 2024 Back Water Valve (Sewer only) 112 linear ft of exterior waterproofing with supply and installation of sump pump and back water valve Closed
May 23, 2024 New Building Revision 01. Revision to existing building permit. Height has increased and third floor size has increased. Proposed demolition of an existing single family dwelling to construct a new 3-Storey single family detached dwelling with an integral 1-car garage accessed from the front main wall. New build
Apr 24, 2024 Interior Alterations Proposal to maintain accessibility for handicap and disable people (residents) by considering a lift installation to facilitate the route to Laundry Room through existing stairs. No zoning review required. $10K Open
Feb 15, 2024 Electromagnetic Locks INSTALLATION OF MAGLOCKS (4) Garage to Building $39K Closed
Oct 18, 2023 Building Permit Related (DR) Drain - Proposed demolition of an existing single family dwelling to construct a new 3-Storey single family detached dwelling with an integral 1-car garage accessed from the front main wall. Closed
Oct 6, 2023 Deck Wooden rooftop deck with lateral wood privacy screens and railing $20K Closed
Jun 13, 2023 Building Permit Related(MS) Rev 01 - Proposed new basement duct design Closed
May 15, 2023 Building Permit Related(MS) HVAC - Proposed demolition of an existing single family dwelling to construct a new 3-Storey single family detached dwelling with an integral 1-car garage accessed from the front main wall. Closed
Apr 27, 2023 Demolition Proposed demolition of an existing single family dwelling to construct a new 3-Storey single family detached dwelling with an integral 1-car garage accessed from the front main wall. Demolition
Mar 30, 2023 Building Permit Related(PS) Plumbing - Removal of non load bearing walls and adding a powder room Closed
Mar 24, 2023 Interior Alterations propose to relocate the existing posts and replace new beam in ground floor $10K Closed
Mar 2, 2023 Building Permit Related(PS) Plumbing - Proposed demolition of an existing single family dwelling to construct a new 3-Storey single family detached dwelling with an integral 1-car garage accessed from the front main wall. Closed
Feb 7, 2023 Interior Alterations Removal of non load bearing walls and adding a powder room $20K Closed
Dec 7, 2022 Interior Alterations Proposal for floor hatch and guardrail replacements and the installation of an anchor and fall arrest anchor system in the existing Hydro One transfer station. . REV. 01: Floor Hatch and Guardrail Replacements and the installation of a Anchor and Fall Arrest Anchor system. Closed
Jun 7, 2022 Building Permit Related(MS) REV 01: Main floor - Duct lines combined into 1 line and grill, other ducts deleted, enlarged duct to 2" x 60". 3rd floor - 2 ducts combined into 1. Closed
May 25, 2022 Balcony/Guard Repairs Revision 01 - guard removal and replacement to be addedBalcony concrete repairs Closed
May 10, 2022 Building Permit Related (DR) Drain - Proposal to construct a two storey rear yard addition, covered rear porch and, interior alterations to an existing detached two storey dwelling. Closed
May 10, 2022 Multiple Projects Proposal to construct a two storey rear yard addition, covered rear porch and, interior alterations to an existing detached two storey dwelling. $450K Closed
May 10, 2022 Building Permit Related(PS) Plumbing - Proposal to construct a two storey rear yard addition, covered rear porch and, interior alterations to an existing detached two storey dwelling. Closed
Apr 12, 2022 Multiple Projects Proposal for multiple projects to an existing 2 storey SFD-detached dwelling. Scope of work includes interior alterations, enlarging window/door openings and altering the facade. $100K Closed
Apr 12, 2022 Multiple Projects Proposed underpinning work and interior alterations $10K Closed
Apr 12, 2022 Building Permit Related(PS) Plumbing - Proposal for multiple projects to an existing 2 storey SFD-detached dwelling. Scope of work includes interior alterations, enlarging window/door openings and altering the facade. Closed

The 40 most recent of 291 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
291
City refresh
2026-09-12 10:24
Page built
2026-09-12
Sheet
STR-701