Window Replacement Cost in Montreal (2026)
Average cost in Montreal
$8,000 — $22,000
$500 — $2,000 per sq ft
Cost Breakdown
ItemizedWindows, frames, and hardware
55%
Professional installation and sealing
35%
Interior/exterior molding and caulking
5%
Removal of old units and debris
3%
Montreal municipal permit fees
2%
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 Cost
InteractiveEstimated Cost
$3,920 — $5,880
Based on 9 sources and market data for Montreal. Actual costs may vary depending on specific project requirements.
📈Price Momentum
Year-over-year~1 year ago
$12,464
Today
$12,988
Window Replacement in Montreal is ↑ 4.2% compared to roughly a year ago — about $523 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
328 reviews
Innovation Portes et Fenêtres
2113 St Regis Blvd #200, Dollard-Des Ormeaux, QC H9B 2M9, Canada
116 reviews
Portes et Fenêtres Factory Direct Montréal Windows & Doors
1190 Rue Bégin, Saint-Laurent, QC H4R 1X1, Canada
457 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
Montreal charges $9.80 for every $1,000 of work value, with a mandatory minimum fee of $167.40 for residential buildings. For a typical $12,500 project, the permit would cost approximately $167.40.
Retrofit (insert) installations in Montreal cost between $300 and $850 per unit, while full-frame replacements, which involve removing the entire frame to the brick, range from $500 to $1,500 per unit.
Yes, the Rénoclimat program offers up to $5,625 for window replacements, and the LogisVert program provides $60 to $120 per opening for Energy Star 'Most Efficient' 2026 certified models.
Triple-glazed windows typically cost $200 to $400 more per unit than double-glazed options, with total installed prices ranging from $800 to $1,500 per window in 2026.
📊Our Methodology
How we collect dataAggregated from 5+ 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: 4 days 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.