Window Replacement Cost in Montreal (2026)
Average cost in Montreal
$8,000 — $15,000
$600 — $1,500 per window
Cost Breakdown
ItemizedWindow units, glass, and hardware
65%
Professional installation and removal
25%
Old window removal and site cleanup
5%
Provincial taxes (QST/GST) and permits
5%
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 6 sources and market data for Montreal. Actual costs may vary depending on specific project requirements.
🏢Top Window Replace Contractors in Montreal
Verified providersÉLIT TECH Portes Et Fenêtres
6500 Rte Transcanadienne, Saint-Laurent, QC H4T 1X4, Canada
318 reviews
Innovation Portes et Fenêtres
2113 St Regis Blvd #200, Dollard-Des Ormeaux, QC H9B 2M9, Canada
112 reviews
Basco Portes et Fenêtres
288 Bd Curé-Labelle, Laval, QC H7P 2P1, Canada
699 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
In 2026, the average cost to replace a single window in Montreal ranges from $600 to $1,500 CAD, depending on the material, size, and whether it is a retrofit or full-frame (brick-to-brick) installation.
For a typical Montreal home requiring 10 replacement windows, homeowners can expect to pay between $8,000 and $15,000 CAD for materials and professional installation.
Vinyl windows are the most budget-friendly and popular option in Montreal, typically costing between $450 and $900 per window installed. In contrast, premium wood or fiberglass windows can exceed $2,000 per unit.
Labor typically accounts for about 25% of the total project cost. In Montreal, professional installation usually ranges from $150 to $350 per window, but can increase if structural modifications or masonry work are required.
📊Our Methodology
How we collect dataAggregated from 6+ 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: today. Updates run weekly. All costs in CAD.