Type of work · 67 of 103 by permit count
Alter: Add on /Ductwork permits in Toronto
The City of Toronto has 636 alter: add on /ductwork permits on record for Toronto, going back to 2001. Declared construction value totals $59.1M. The most recent permit was issued Jun 25, 2026 at 11 Bermondsey Rd.
- Permits on record
- 6362001–2026
- Declared construction value
- $59.1Mas filed, not adjusted
- Homes created
- 0dwelling units
- Homes removed
- 0net +0
Permits issued per year
20012026 (part year)
Most common work
Structures worked on
Most recent permits
| Issued | Address | Work | What was filed | Value | Status |
|---|---|---|---|---|---|
| Jun 25, 2026 | 11 Bermondsey Rd | Alter: Add on /Ductwork | Proposal for replacing duct in office area | $15K | Open |
| May 25, 2026 | 2 Chedington Pl | Alter: Add on /Ductwork | Proposed heat pump replacement and duct work adjustment | $30K | Open |
| Oct 29, 2025 | 44 Gordon St | Alter: Add on /Ductwork | Proposed work includes the removal of existing ductwork and installation of new ducts throughout the basement, first floor, and second floor. In the attic room, the old ducts will be removed and replaced with a new ductless heating and cooling system. The scope of work will also require cutting, pat | $30K | Closed |
| Oct 27, 2025 | 2526 Danforth Ave | Alter: Add on /Ductwork | Proposed installation of heat pumps for space heating and cooling | $350K | Open |
| Apr 24, 2025 | 3027 Weston Rd | Alter: Add on /Ductwork | Proposal for forced air system. | $10K | Closed |
| Mar 21, 2025 | 60 Montclair Ave | Alter: Add on /Ductwork | Proposed HVAC Ducts | $5K | Open |
| Dec 27, 2024 | 1147 Davenport Rd | Alter: Add on /Ductwork | Proposal to add new kitchen exhaust systems in training centre. | $15K | Closed |
| Dec 20, 2024 | 1 Wellesley Ave | Alter: Add on /Ductwork | REV01: Proposed revision for correct drawings re duckwork, furnace and a/cProposed Furnace, Ac, Ductwork. | — | Closed |
| Nov 5, 2024 | 723 Bloor St W | Alter: Add on /Ductwork | Ms- Rev 01 Minor Modification to existing permit 23 220779 MSA.Installation and electrification of sixteen cold-climate condenser heats pumps and assocaited interior heads units. Exterior heat pumps to be mounted at ground-level and/or on property roof. Small coring 4-5 inch holes (one per condenser | — | Closed |
| Mar 26, 2024 | 77 Adelaide St W | Alter: Add on /Ductwork | HVAC alterations to the existing office space in Unit 43 | $1K | Open |
| Feb 13, 2024 | 77 King St W | Alter: Add on /Ductwork | Addition of new portable AC unit with condensate pump - floors 25 and 26 | $10K | Open |
| Feb 1, 2024 | 625 Queen St E | Alter: Add on /Ductwork | Revision 01 - new exhaust duct to be in accordance with Ashrae 52-76. Flanged ducting is acceptable. Disconnecting current path of airflow from ecologizer that exits via roof to create | — | Open |
| Oct 10, 2023 | 777 Bay St | Alter: Add on /Ductwork | Work is limited to modification to the installation of (2) supply air ducts to existing light troffer diffusersfrom the existing ducted VAV in the Minister Corner Office of the 18th Floor, Ministers Suite. System is to be balanced and air volume reported at completion. | $25K | Open |
| Aug 14, 2023 | 777 Bay St | Alter: Add on /Ductwork | PROPOSED: New in-line supply air fan in Room MS-252, M-Level, multi-tenant floor. M-LEVEL | $10K | Open |
| Dec 2, 2022 | 50 Verne Cres | Alter: Add on /Ductwork | install gas forced air hvac system from baseboard | $25K | Open |
| Nov 16, 2022 | 123 Whitfield Ave | Alter: Add on /Ductwork | Installation of new air conditioning units for cooling centre in library | $50K | Closed |
| Nov 16, 2022 | 53 Gracefield Ave | Alter: Add on /Ductwork | Installation of new air conditioning units for cooling centre in library | $50K | Closed |
| Nov 14, 2022 | 80 Sackville St | Alter: Add on /Ductwork | Installation of new air conditioning units for cooling centre in gym | $50K | Closed |
| Nov 10, 2022 | 299B Donlands Ave | Alter: Add on /Ductwork | install new a/c cooling unit in gym | $50K | Closed |
| Nov 10, 2022 | 5 Redcar Ave | Alter: Add on /Ductwork | install new a/c cooling unit in gym | $50K | Closed |
| Nov 9, 2022 | 1 1/2 GARFIELD AVE | Alter: Add on /Ductwork | install new a/c cooling unit in gym | $50K | Closed |
| Nov 7, 2022 | 80 Bennett Rd | Alter: Add on /Ductwork | install new a/c cooling unit in gym | $50K | Closed |
| Oct 27, 2022 | 22 O'Connor Dr | Alter: Add on /Ductwork | add gas furnace with ductwork throughout | $7K | Closed |
| Oct 25, 2022 | 2300 Ellesmere Rd | Alter: Add on /Ductwork | Installation of new air conditioning units for cooling centre in gym | $50K | Closed |
| Oct 25, 2022 | 521 Sewells Rd | Alter: Add on /Ductwork | Installation of new air conditioning units for cooling centre in gym | $50K | Closed |
| Oct 24, 2022 | 1042 St Clair Ave W | Alter: Add on /Ductwork | PROPOSED HVAC TO EXISTING SECOND FLOOR RESIDENTIAL AND GROUND FLOOR RESTAURANT | $30K | Closed |
| Oct 24, 2022 | 30 Roanoke Rd | Alter: Add on /Ductwork | install new a/c cooling unit in gym | $50K | Closed |
| Oct 24, 2022 | 108 Spenvalley Dr | Alter: Add on /Ductwork | install new a/c cooling unit in gym | $50K | Open |
| Oct 18, 2022 | 3521 Finch Ave E | Alter: Add on /Ductwork | install new a/c cooling unit in gym | $50K | Closed |
| Oct 18, 2022 | 14 Broadway Ave | Alter: Add on /Ductwork | install new a/c cooling unit in gym | $50K | Closed |
| Sep 27, 2022 | 222 Finch Ave W | Alter: Add on /Ductwork | Interior alterations to HVAC system for dental office22-197474 MSA 22 161207 PLB22-190580 BLD. | $18K | Closed |
| Sep 23, 2022 | 16 York St | Alter: Add on /Ductwork | Revision to mechanical standalone Revise layout to closed permit 20-146752 BLD & PLB 03Proposed interior office buildout of existing shell space including offices, meeting rooms, staff lounge on floors 26, 27 and 28. | — | Closed |
| Sep 9, 2022 | 50 Gould St | Alter: Add on /Ductwork | replace make up air unit and exhaust fans | $150K | Open |
| Jun 28, 2022 | 9 Methuen Ave | Alter: Add on /Ductwork | Interior alterations removing existing radiators and extending existing forced air system to serve ground floor (front of house) | — | Closed |
| Jun 16, 2022 | 30 Orleans Dr | Alter: Add on /Ductwork | Hvac ductwork alteration to achieve minimum ceiling height in basement. | $4K | Closed |
| Jun 16, 2022 | 1001 Queen St W | Alter: Add on /Ductwork | Revise the current duct work to accommodate an air removal/filtration system having an efficiency to 99.9% in 20 minutes. | $204K | Open |
| Mar 31, 2022 | 5 Saunders Cres | Alter: Add on /Ductwork | A stand-alone MS permit appliation in relation to 20 200932 BLD02 SR - New front and back addtion at ground level | — | Closed |
| Mar 14, 2022 | 1192 Queen St E | Alter: Add on /Ductwork | PROPOSED EXISTING AS BUILT HVAC OF EXISTING MAIN FLOOR AND EXISTING 2ND FLOOR WHICH IS THE PROPOSED ADDITIONAL RESTAURANT AREA TO BE INCLUDED | $10K | Open |
| Feb 25, 2022 | 50 Verne Cres | Alter: Add on /Ductwork | Proposed Switching the hvac system from electrical baseboard to natural gas force air convectional system. Ducting design and equipment selection | $25K | Closed |
| Feb 15, 2022 | 592 Bloor St W | Alter: Add on /Ductwork | Proposal for mechanical standalone for personal service shop- Nails spa | $10K | Closed |
The 40 most recent of 636 permits on record. Figures come from the City’s active and cleared permit datasets, refreshed daily — what that covers, and what it misses.