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. Half of the 76 permits issued here came through within 42 days of the application. 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
- Typical wait
- 42 days15 days slower than the city
Permits issued per year
20012025 (part year)
Zoning
- Most common zone
- R62.7% of permits · by-law 10.10
- In detached-house zones
- 4.0%34.0% below the city’s 38.0%
- Permits with a zone
- 75of 83 on record
The zoning categories the permits in Triplex/Semi-Detached fall in, under Zoning By-law 569-2013. These are the City's own category names. This counts permits, not land: it says where the building work happened under which rules, not how the area is carved up. What each zone allows, and what gets built in it.
Most common work
Structures worked on
Postal areas
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.