Do I need a permit to replace windows in Toronto?

Generally no, if the new window is the same size and fits the existing opening without structural changes. Enlarging an opening, adding a new one, or changing the structure around it generally does require a building permit. Confirm with Toronto Building for your specific project.

Why do window and door permits matter if replacements are exempt?

The permits that are filed mark the larger jobs: additions, major renovations, and new openings. Those projects order full window and door packages, which makes permit activity a useful map of where the bigger orders are coming from.

Which Toronto neighbourhoods have the most window and door permit activity?

The ranking on this page lists Toronto neighbourhoods by window and door permits issued in the last 12 months, updated daily from City of Toronto Open Data.

How long does it take to get a window / door permit in Toronto?

Half of the 778 window & door permits issued in Toronto over the last 12 months were issued within 13 days of application, and one in ten took longer than 62 days. That is measured from application date to issue date in the City of Toronto's active-permit records, so it describes permits already issued rather than a processing commitment.

Trade intelligence

Toronto Window / Door permits: where Window / Door work is happening

Name: Toronto Window / Door permits
Creator: PermitIndex
License: https://open.toronto.ca/open-data-licence/

As of Sep 2, 2026, PermitIndex tracked 778 window & door permits issued across Toronto in the trailing 12 months (source: City of Toronto Open Data).

How long approval took

13daysmedian, application to issuance, for Toronto window & door permits

59% faster than the citywide median of 32 days.

Slowest 10%: waited more than 62 days
Based on: 778 permits, last 12 months

Measured from application date to issue date in the City of Toronto’s active-permit records. It describes permits already issued, not a processing commitment, and your own application may differ.

Window / Door permits by neighbourhood (last 12 months)

Rank	Neighbourhood	Permits (12 mo)
1	Yonge-Bay Corridor	31
2	Annex	23
3	South Riverdale	18
4	West Humber-Clairville	17
5	Morningside Heights	16
6	Wellington Place	14
7	Bendale-Glen Andrew	13
8	Centennial Scarborough	13
9	University	13
10	Downtown Yonge East	12
11	Rosedale-Moore Park	12
12	North Riverdale	12
13	Golfdale-Cedarbrae-Woburn	11
14	Kensington-Chinatown	11
15	Roncesvalles	11
16	Edenbridge-Humber Valley	11
17	Junction-Wallace Emerson	10
18	Highland Creek	10
19	Etobicoke City Centre	10
20	Clairlea-Birchmount	10
21	High Park North	10
22	St.Andrew-Windfields	10
23	Yorkdale-Glen Park	10
24	Leaside-Bennington	10
25	Hillcrest Village	10
26	Princess-Rosethorn	10
27	Cliffcrest	9
28	St Lawrence-East Bayfront-The Islands	9
29	Bendale South	9
30	High Park-Swansea	9
31	Birchcliffe-Cliffside	8
32	Wychwood	8
33	Dovercourt Village	7
34	Woburn North	7
35	Morningside	7
36	Kennedy Park	7
37	West Queen West	7
38	Oakwood Village	7
39	Palmerston-Little Italy	7
40	Little Portugal	7
41	Dufferin Grove	7
42	Trinity-Bellwoods	7
43	Banbury-Don Mills	7
44	O'Connor-Parkview	7
45	New Toronto	7
46	Malvern East	6
47	Scarborough Village	6
48	Milliken	6
49	Agincourt North	6
50	Harbourfront-CityPlace	6
51	Yonge-Eglinton	6
52	Junction Area	6
53	Wexford/Maryvale	6
54	Tam O'Shanter-Sullivan	6
55	Moss Park	6
56	Don Valley Village	6
57	Bridle Path-Sunnybrook-York Mills	6
58	Thistletown-Beaumond Heights	6
59	Fenside-Parkwoods	5
60	West Rouge	5
61	Islington	5
62	Yonge-St.Clair	5
63	Casa Loma	5
64	Weston	5
65	Keelesdale-Eglinton West	5
66	Playter Estates-Danforth	5
67	Greenwood-Coxwell	5
68	Oakdale-Beverley Heights	4
69	West Hill	4
70	Forest Hill South	4
71	Cabbagetown-South St.James Town	4
72	Old East York	4
73	Runnymede-Bloor West Village	4
74	South Parkdale	4
75	Westminster-Branson	4
76	York University Heights	4
77	Thorncliffe Park	4
78	Black Creek	4
79	Pelmo Park-Humberlea	4
80	Avondale	3
81	East Willowdale	3
82	Parkwoods-O'Connor Hills	3
83	L'Amoreaux West	3
84	Agincourt South-Malvern West	3
85	Lawrence Park North	3
86	Forest Hill North	3
87	Corso Italia-Davenport	3
88	Steeles	3
89	The Beaches	3
90	East End-Danforth	3
91	Taylor-Massey	3
92	Willowdale West	3
93	Newtonbrook West	3
94	Brookhaven-Amesbury	3
95	Rustic	3
96	Alderwood	3
97	Stonegate-Queensway	3
98	Kingsway South	3
99	Eringate-Centennial-West Deane	3
100	Rexdale-Kipling	3
101	Humber Summit	3
102	North Toronto	2
103	Bay-Cloverhill	2
104	Guildwood	2
105	Eglinton East	2
106	Dorset Park	2
107	Mimico-Queensway	2
108	Lawrence Park South	2
109	Weston-Pelham Park	2
110	Oakridge	2
111	Lambton Baby Point	2
112	Beechborough-Greenbrook	2
113	North St.James Town	2
114	Blake-Jones	2
115	Danforth	2
116	Pleasant View	2
117	Flemingdon Park	2
118	Bedford Park-Nortown	2
119	Lansing-Westgate	2
120	Bathurst Manor	2
121	Glenfield-Jane Heights	2
122	Henry Farm	2
123	Newtonbrook East	2
124	Mount Olive-Silverstone-Jamestown	2
125	Yonge-Doris	1
126	East L'Amoreaux	1
127	Malvern West	1
128	Ionview	1
129	Fort York-Liberty Village	1
130	Humber Bay Shores	1
131	Caledonia-Fairbank	1
132	Briar Hill-Belgravia	1
133	Mount Dennis	1
134	Rockcliffe-Smythe	1
135	Woodbine Corridor	1
136	Woodbine-Lumsden	1
137	Danforth East York	1
138	Broadview North	1

2 newer matching permits in Window / Door across Toronto are live for Pro members, issued in the last 7 days.

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Permit guide

Window / Door permits in Toronto: what to know

This category tracks Toronto building permits where the described work involves windows or exterior doors: enlarging or adding openings, structural lintel changes, and window or door work bundled into bigger renovation permits.

When you need a permit in Toronto

In Toronto, swapping a window or door for a new one of the same size in the same opening generally does not require a building permit. A permit is generally required once the work changes the structure, such as enlarging an existing opening, cutting a new one, or altering what holds the wall up above it.

Because so much replacement work is permit-exempt, the permits that do get filed skew toward bigger jobs: additions, major renovations, and multi-unit work where new openings are part of the design. Always confirm the current rules with Toronto Building before starting work.

Official requirements and applications: Toronto Building: apply for a building permit.

What this data tells suppliers

For window and door suppliers, permit activity is a demand signal for the higher-value end of the market: the renovations and additions where full window packages get specified, not one-off retail replacements.

Frequently asked questions

Do I need a permit to replace windows in Toronto?: Generally no, if the new window is the same size and fits the existing opening without structural changes. Enlarging an opening, adding a new one, or changing the structure around it generally does require a building permit. Confirm with Toronto Building for your specific project.
Why do window and door permits matter if replacements are exempt?: The permits that are filed mark the larger jobs: additions, major renovations, and new openings. Those projects order full window and door packages, which makes permit activity a useful map of where the bigger orders are coming from.
Which Toronto neighbourhoods have the most window and door permit activity?: The ranking on this page lists Toronto neighbourhoods by window and door permits issued in the last 12 months, updated daily from City of Toronto Open Data.
How long does it take to get a window / door permit in Toronto?: Half of the 778 window & door permits issued in Toronto over the last 12 months were issued within 13 days of application, and one in ten took longer than 62 days. That is measured from application date to issue date in the City of Toronto's active-permit records, so it describes permits already issued rather than a processing commitment.

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