Structure · 116 of 153 by permit count
Triplex/Semi-Detached building permits in Toronto
The City of Toronto has 83 building permits on triplex/semi-detached structures on record for Toronto, going back to 2001. Those permits created 16 homes and removed 0, a net change of +16. Declared construction value totals $2.1M. The most recent permit was issued Nov 14, 2025 at 28 Leduc Dr.
- Permits on record
- 832001–2025
- Declared construction value
- $2.1Mas filed, not adjusted
- Homes created
- 16dwelling units
- Homes removed
- 0net +16
Permits issued per year
20012025 (part year)
Most common work
Structures worked on
Most recent permits
| Issued | Address | Work | What was filed | Value | Status |
|---|---|---|---|---|---|
| Nov 14, 2025 | 28 Leduc Dr | Building Permit Related (DR) | Drain - Proposed interior alterations to convert SFD to Triplex | — | Open |
| Jun 5, 2025 | 28 Leduc Dr | Building Permit Related(PS) | Plumbing - Proposed interior alterations to convert SFD to Triplex | — | Closed |
| Feb 7, 2025 | 245 Brock Ave | Building Permit Related(MS) | HVAC - Basement: Underpinning of foundations & interior/exterior alterations to allow for a separate unit (66.21 sq.m), First floor: Interior/exterior alterations (66.33 sq.m), Second floor: Interior/exterior alterations and allowing for rear yard exit (57.13 sq.m), Rear balcony (9.70 sq.m)Garage: D | — | Closed |
| Jan 30, 2025 | 28 Leduc Dr | Interior Alterations | Proposed interior alterations to convert SFD to Triplex | $270K | Open |
| Sep 27, 2024 | 380 Clinton St | Multiple Projects | Proposal for interior alterations to convert existing semi dwelling to 3 units. | $100K | Closed |
| Jun 7, 2024 | 480 Markham St | Building Permit Related(PS) | Plumbing - Proposed interior alterations to convert SFD Semi into triplex. | — | Open |
| May 16, 2024 | 480 Markham St | Interior Alterations | Proposed interior alterations to convert SFD Semi into triplex. | $150K | Open |
| Mar 7, 2024 | 443 Manning Ave | Building Permit Related (DR) | Drain - proposing interior alterations, a new walkout stairs and underpinning | — | Closed |
| Jan 31, 2024 | 443 Manning Ave | Multiple Projects | proposing interior alterations, a new walkout stair and underpinning, roof deck | $300K | Closed |
| Jan 31, 2024 | 443 Manning Ave | Building Permit Related(PS) | Plumbing - proposing interior alterations, a new walkout stairs and underpinning | — | Closed |
| Jan 31, 2024 | 443 Manning Ave | Building Permit Related(MS) | HVAC - proposing interior alterations, a new walkout stairs and underpinning | — | Closed |
| Jun 23, 2023 | 2945 Lawrence Ave E | Fire Alarm | Proposal for replacement of fire alarm system | $196K | Open |
| Mar 6, 2023 | 2945 Lawrence Ave E | Building Permit Related(MS) | REV01: New HVAC systemHVAC - Proposed fire damage repair to existing two storey building containing 3 units. | — | Open |
| Feb 15, 2023 | 2945 Lawrence Ave E | Building Permit Related(PS) | Plumbing - Proposed fire damage repair to existing two storey building containing 3 units. | — | Open |
| Jan 12, 2023 | 2945 Lawrence Ave E | Fire Damage | Proposed fire damage repair to existing two storey building containing 3 units. | — | Open |
| Nov 3, 2021 | 8 Elway Crt | Other(SR) | Proposal to repair garage and build new retaining wall. | $50K | Closed |
| May 19, 2016 | 753 Lawrence Ave W | Building Permit Related(PS) | Plumbing - Create fourth dwelling unit in garage area. | — | Closed |
| May 17, 2016 | 751 Lawrence Ave W | Building Permit Related(PS) | Plumbing - Create fourth dwelling unit in garage area. | — | Closed |
| Sep 11, 2015 | 295 Royal York Rd | Building Permit Related(PS) | Plumbing - Interior alterations to an existing 3 units Semi-detached dwelling due to Fire Damage. | — | Closed |
| Aug 28, 2015 | 295 Royal York Rd | Building Permit Related(MS) | HVAC - Interior alterations to an existing 3 units Semi-detached dwelling due to Fire Damage. | — | Closed |
| Aug 28, 2015 | 295 Royal York Rd | Fire Damage | Interior alterations to an existing 3 units Semi-detached dwelling due to Fire Damage. | — | Closed |
| Jul 16, 2015 | 239 Beverley St | Other(SR) | Permit to construct a 4th Basement Suite within existing Semi-Detached Triplex. | $40K | Closed |
| Mar 18, 2015 | 1389 Dufferin St | Building Permit Related(MS) | Revision - to whole mechanical system. | — | Closed |
| Mar 18, 2015 | 1387 Dufferin St | Building Permit Related(MS) | Revision - change to whole mechanical system. | — | Closed |
| Jan 29, 2015 | 1389 Dufferin St | Building Permit Related(PS) | Plumbing - Interior Alterations to construct a 4th dwelling unit (in Basement) within an existing Semi-Detached Triplex Dwelling. | — | Closed |
| Jan 29, 2015 | 1389 Dufferin St | Interior Alterations | Proposal to construct 1 additonal Dwelling Unit at the basement level within an existing 3-unit Semi-Detached Triplex. [4 units total]. | $50K | Closed |
| Jan 29, 2015 | 1387 Dufferin St | Building Permit Related(PS) | Plumbing - Interior Alterations to construct a 4th dwelling unit (in Basement) within an existing Semi-Detached Triplex Dwelling. | — | Closed |
| Jan 29, 2015 | 1387 Dufferin St | Interior Alterations | Proposal to construct a 4th basement Dwelling Unit within an existing 3-unit Semi-Detached Triplex, which contains 3 existing dwelling units [4 units total]. | $50K | Closed |
| Oct 14, 2014 | 59 Barton Ave | Building Permit Related(PS) | Plumbing - Proposal for a partial second storey addition | — | Closed |
| Jun 24, 2013 | 118 Albany Ave | Deck | Proposal to reconstruct third floor deck to an existing 3-storey Semi-detached house with 3 dwelling units. | $3K | Closed |
| Apr 26, 2013 | 115 Cheritan Ave | Interior Alterations | Convert existing garage at 117 Cheritan Ave into storage space and convert existing garage at 115 Cheritan into one bedroom dwelling unit. as per OMB decision File No. PL12111. | $20K | Closed |
| Apr 24, 2013 | 1093 Mount Pleasant Rd | Building Permit Related(MS) | HVAC - Interior alteration to basement, main, and second floor of semi-detached triplex | — | Closed |
| Apr 15, 2013 | 1093 Mount Pleasant Rd | Building Permit Related(PS) | Plumbing - Interior alteration to basement, main, and second floor of semi-detached triplex | — | Closed |
| Apr 15, 2013 | 1093 Mount Pleasant Rd | Interior Alterations | Interior alteration to basement, main, and second floor of semi-detached triplex | $30K | Closed |
| Oct 2, 2012 | 1246-1248 AVENUE RD | Building Permit Related(MS) | HVAC - Interior alteration to basement to create two additional dwelling units | — | Closed |
| Feb 16, 2012 | 1246-1248 AVENUE RD | Interior Alterations | Interior alteration to basement to create two additional dwelling units | — | Closed |
| Nov 29, 2011 | 3161 Weston Rd | New Building | Revision 02 re; Add additional windows to the side of Triplex Dwelling. To construct a new 2 storey semi-detached duplex dwelling.REVISION #1 to convert third floor attic space to third dwelling unit as approved at OMB (A259/10EYK) To construct a new 2 storey semi-detached duplex dwelling. | — | New build |
| Nov 29, 2011 | 3161 Weston Rd | New Building | Revision 03 re; Add additional windows to the side of Triplex Dwelling. REVISION #2 to convert third floor attic space to third dwelling unit as approved at OMB (# PL101257) (A259/10EYK) To construct a new 2 storey semi-detached duplex dwelling. | — | New build |
| Oct 13, 2011 | 178 Divadale Dr | Interior Alterations | Removing wall between dining and kitchen and installing beam | $2K | Closed |
| Aug 11, 2011 | 274 Pacific Ave | Building Permit Related(PS) | Plumbing - Interior alteration on ground and second floor, of existing semi-duplex. | — | Closed |
The 40 most recent of 83 permits on record. Figures come from the City’s active and cleared permit datasets, refreshed daily — what that covers, and what it misses.