Window Replacement Cost in Montreal (2026)
Average cost in Montreal
$8,000 – $15,000
$95 – $98 per sq ft
In Montreal, the average is $10,601 and most projects cost between $8,000 and $15,000, or about $95 – $98 per sq ft. Prices are before tax and based on 12 sources.
Cost Breakdown
ItemizedVinyl, glass, and frames
55%
Installation and sealing
30%
Removal of old units
5%
City of Montreal fees
2%
GST/QST and finishing
8%
GST+QST at 14.98%
📋What's Included
ScopeTypically Includes
- Standard vinyl double-hung windows
- Removal of old windows
- Installation & insulation
- Interior trim
- Cleanup
Typically Excludes
- Custom or specialty shapes
- Triple-pane or premium glass
- Exterior trim or cladding
- Structural modifications
- Bay or bow windows
Based on replacing 10 standard-size windows with vinyl double-hung.
🧮Estimate your project
LiveYour estimate in Montreal
Likely range $8,000 – $14,999
- Materials55%$5,831
- Labor30%$3,180
- Disposal5%$530
- Permits2%$212
- Taxes & Misc8%$848
Vinyl
$10,601
Fiberglass
$14,602
Wood
$18,602
Aluminum-clad Wood
$22,603
Calibrated to 12 researched sources for Montreal. Before tax. Real quotes vary with site conditions.
📈Price Momentum
Year-over-year~1 year ago
$10,097
Today
$10,601
Window Replacement in Montreal is ↑ 5.0% compared to roughly a year ago — about $505 more on the average project.
Comparison derived from the year-over-year change rate, not a month-by-month price index. We don't store historical snapshots yet — when we do, this will become a real time series.
🏢Top Window Replace Contractors in Montreal
Verified providersÉLIT TECH Portes Et Fenêtres
6500 Rte Transcanadienne, Saint-Laurent, QC H4T 1X4, Canada
349 reviews
Innovation Portes et Fenêtres
2113 St Regis Blvd #200, Dollard-Des Ormeaux, QC H9B 2M9, Canada
125 reviews
Timberline Portes et Fenêtres
946 Rue Bégin, Montréal, QC H4M 2N5, Canada
94 reviews
Provider data sourced from public business directories. Ratings and reviews are public and may change. LookupCost is not affiliated with listed providers.
💬What People Actually Paid
Community❓Common Questions
A permit is generally not required if you are replacing windows with the same dimensions. However, if you change the size or live in a heritage area, a permit is mandatory. Fees are calculated at $9.80 for every $1,000 of work, with a minimum residential fee of $167.40.
Yes, the Rénoclimat program remains active in 2026, offering a grant of $150 per existing rough opening replaced with an ENERGY STAR certified window. Homeowners must register for a pre-work energy evaluation to qualify.
Triple-pane windows typically cost 20% to 30% more than double-pane units. While the upfront cost is higher, they can reduce heat loss by up to 40%, which is highly recommended for Montreal's harsh winters.
Professional installation labor in Montreal currently ranges from $70 to $150 per window. This varies based on the borough and the complexity of the installation, such as full-frame replacement versus a simple retrofit.
📊Our Methodology
How we collect dataAggregated from 10+ verified web sources and cost databases
Licensed contractor estimates and regional cost guides
Government construction and labor statistics
Community-reported project costs and reviews
Last data collection: 1 months ago. Updates run weekly. All costs in CAD.
About this data
Cost figures are estimates synthesized from public market data using AI research and refreshed regularly. Real project costs vary by scope, materials, contractor, and site conditions. Always get verified quotes from licensed contractors for your specific project.
Spotted bad data? Let us know — we'll review and update.