thepermitmap

Structure · 57 of 153 by permit count

Duplex/Semi-Detached building permits in Toronto

The City of Toronto has 580 building permits on duplex/semi-detached structures on record for Toronto, going back to 1996. Those permits created 89 homes and removed 9, a net change of +80. Declared construction value totals $19.9M. The most recent permit was issued Nov 6, 2024 at 525 Roxton Rd.

Permits on record
5801996–2024
Declared construction value
$19.9Mas filed, not adjusted
Homes created
89dwelling units
Homes removed
9net +80

Permits issued per year

20002024 (part year)

Most common work

  • Building Permit Related(PS)123 · 21%
  • Building Permit Related(MS)82 · 14%
  • Building Permit Related (DR)51 · 9%
  • New Building34 · 6%
  • Interior Alterations33 · 6%
  • Multiple Projects30 · 5%
  • Unknown26 · 4%
  • New Building-Certified23 · 4%
  • Addition(s)22 · 4%
  • Other(SR)20 · 3%
  • Garage16 · 3%
  • Porch16 · 3%

Structures worked on

  • Duplex/Semi-Detached580 · 100%

Most recent permits

Issued Address Work What was filed Value Status
Nov 6, 2024 525 Roxton Rd Multiple Projects REVISION - structural changesProposed 3rd storey rear addition (31.78m2 ) with interior alterations throughout (158.6m2 ) to create an additional secondary suite for a total of 3 units (BSMT AREA 22.74M2) Open
Dec 18, 2023 36 St Annes Rd Building Permit Related(MS) HVAC - Proposed secondary unit addition , interior alterations Closed
Aug 31, 2023 2 Chambers Ave Building Permit Related (DR) Drain - Proposal to construct a 2nd-storey addition, interior alterations including a new washroom and a new balcony (4 CHAMBERS AVE). Closed
Aug 31, 2023 2 Chambers Ave Building Permit Related(PS) Plumbing - Proposal to construct a 2nd-storey addition, interior alterations including a new washroom and a new balcony (4 CHAMBERS AVE). Closed
Aug 29, 2023 2 Chambers Ave Party Wall Admin Permits Party wall admin permit for 4 Chambers Ave (23 177437 BLD 00 SR) Closed
Oct 8, 2021 6 Allenby Ave Interior Alterations Interior alterations to the main floor kitchen area, new fixtures, and minor alterations on second floor. $4K Open
Aug 14, 2018 222 Aylesworth Ave Building Permit Related(MS) Rev. #1: Changes to the entire HVAC layoutHVAC - New semi detached dwelling, Closed
Mar 12, 2018 74 Wineva Ave Building Permit Related(PS) Plumbing - Proposal for interior alterations to finish basement, and to close off access to stairs on second floor of existing duplex semi dwelling. Closed
Dec 6, 2017 63 Bowood Ave Building Permit Related(MS) HVAC - Construct new 3rd floor bedroom and washroom addition. Closed
Nov 16, 2017 2 Chambers Ave Multiple Projects Revision 01: Proposal for alterations to the ground floor and new window in the rear. Make interior alterations to basement, provide underpinning of foundation walls and construct basement entrance at front and rear. Closed
Oct 30, 2017 74 Wineva Ave Interior Alterations Proposal for interior alterations to finish basement, and to close off access to stairs on second floor of existing duplex semi dwelling. $25K Closed
Jul 17, 2017 74 Wineva Ave Building Permit Related (DR) Drain - Basement underpinning Closed
Jul 17, 2017 72 Wineva Ave Party Wall Admin Permits Party wall administration permit for work relating to #74 Wineva Ave. (17-178471 BLD) $1K Closed
Apr 26, 2017 1006 College St Demolition Demo existing 1 of pair of Semi-detached converted houses ( #1004 and #1006 ) See Environmental assessment report/asbestos abatement. Same Owner. See seperate application for #1004. Demolition
Jan 26, 2017 142 1/2 Strachan Ave Building Permit Related(MS) Revise has per plans. HVAC - INTERIOR ALTERATIONS TO LAYOUT INCLUDING NEW FINISHES THROUGHOUT, REMOVAL OF EXISTING FIREPLACE DETAILED AND OVERSEEN BY STRUCTURAL ENGINEER Closed
Jan 13, 2017 63 Bowood Ave Addition(s) Construct new 3rd floor bedroom and washroom addition. $75K Closed
Jan 13, 2017 63 Bowood Ave Building Permit Related(PS) Plumbing - Construct new 3rd floor bedroom and washroom addition. Closed
Mar 1, 2016 617 Bathurst St Building Permit Related(PS) Plumbing - Permit for interior alterations to create 2nd suite in semi-detached dwelling. Closed
Feb 24, 2016 276 Pacific Ave Building Permit Related(PS) Plumbing - Proposal for interior alterations to ground, second floor and roof plan Closed
Dec 3, 2015 99-101 BRAEMAR AVE Building Permit Related (DR) Drain - Proposal to underpin 49.1m perimeter of existing basement of #99 (south half of building) & replace CLG I beams & 4 columns. Closed
Dec 3, 2015 99-101 BRAEMAR AVE Building Permit Related(PS) Plumbing - Proposal to underpin 49.1m perimeter of existing basement of #99 (south half of building) & replace CLG I beams & 4 columns. Closed
Dec 2, 2015 142 1/2 Strachan Ave Interior Alterations INTERIOR ALTERATIONS TO LAYOUT INCLUDING NEW FINISHES THROUGHOUT, REMOVAL OF EXISTING FIREPLACE DETAILED AND OVERSEEN BY STRUCTURAL ENGINEER $50K Closed
Dec 2, 2015 142 1/2 Strachan Ave Building Permit Related(PS) Plumbing - INTERIOR ALTERATIONS TO LAYOUT INCLUDING NEW FINISHES THROUGHOUT, REMOVAL OF EXISTING FIREPLACE DETAILED AND OVERSEEN BY STRUCTURAL ENGINEER Closed
Nov 5, 2015 1192 Royal York Rd Building Permit Related(MS) HVAC - New washroom, kitchen, some rewok of bedroom walls, new raised coffered ceilings. Open
Nov 4, 2015 85 Bellwoods Ave Building Permit Related(MS) HVAC - Proposal to demolish one side of a single family semi-detached dwelling and construct new 3 storey duplex. Refer to related administrative permit. Closed
Oct 30, 2015 1192 Royal York Rd Building Permit Related(PS) Plumbing - New washroom, kitchen, some rewok of bedroom walls, new raised coffered ceilings. Open
Oct 30, 2015 1192 Royal York Rd Multiple Projects New washroom, kitchen, some rewok of bedroom walls, new raised coffered ceilings. $80K Open
Oct 20, 2015 155 Humberside Ave Party Wall Admin Permits admin permit for party wall for work at #153 $10K Closed
Oct 14, 2015 153 Humberside Ave Building Permit Related(MS) HVAC - Permit for interior alterations to existing 3rd floor unit. Existing four dwelling units. Closed
Oct 13, 2015 29 Featherwood Pl Second Suite (New) Proposal for interior alterations of existing single-family 4-level back split semi to landlord (owner) unit and create a separate 2-bedroom rental unit on upper level. $15K Open
Oct 13, 2015 29 Featherwood Pl Building Permit Related(PS) Plumbing - Proposal for interior alterations of existing single-family 4-level back split semi to landlord (owner) unit and create a separate 2-bedroom rental unit on upper level. Open
Oct 5, 2015 153 Humberside Ave Building Permit Related(PS) Plumbing - Permit for interior alterations to existing 3rd floor unit. Closed
Oct 5, 2015 153 Humberside Ave Interior Alterations Permit for interior alterations to existing 3rd floor unit. Existing four dwelling units. $10K Closed
Sep 9, 2015 1756 Danforth Ave Building Permit Related(PS) Plumbing - Proposal for a) new basement entrances b) basement underpinning, c) cold rooms, d) front steps, and e) garage roofs in exisitng semi-detached duplex units Open
Sep 3, 2015 65 Leslie St Underpinning underpining part of the the footing in realted to new adjacent house connection to (15-179235) . Closed
Aug 6, 2015 10A Ashdale Ave Piping: Other Buildings Increase water service from 1/2 inch to 3/4 inch $3K Open
Aug 4, 2015 215 Lauder Ave Deck Proposal to rebuild deck on ground floor, add pergola. $10K Closed
Jul 31, 2015 222 Aylesworth Ave Building Permit Related (DR) Drain - New semi detached dwelling, Closed
Jul 31, 2015 222 Aylesworth Ave Building Permit Related(PS) Plumbing - New semi detached dwelling, Closed
Jul 22, 2015 168 Fulton Ave Porch Proposal to construct a new front porch to an existing SFD-semi dwelling. $7K Closed

The 40 most recent of 580 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
580
City refresh
2026-09-12 10:24
Page built
2026-09-12
Sheet
STC-604