Window Replacement Cost in Oshawa (2026)
Average cost in Oshawa
$6,000 — $23,000
$600 — $2,000 per sq ft
Cost Breakdown
ItemizedVinyl, glass, and hardware
50%
Professional installation
30%
Old unit removal and debris
10%
Interior casing and exterior capping
8%
Municipal fees (if resizing)
2%
HST at 13%
📋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
$4,360 — $6,540
Based on 12 sources and market data for Oshawa. Actual costs may vary depending on specific project requirements.
📈Price Momentum
Year-over-year~1 year ago
$12,787
Today
$13,158
Window Replacement in Oshawa is ↑ 2.9% compared to roughly a year ago — about $371 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 Oshawa
Verified providersStone River Windows Doors
391 Marwood Dr, Oshawa, ON L1H 7P8, Canada
67 reviews
Panorama Windows and Doors Oshawa
21 Simcoe St S, Oshawa, ON L1H 4G1, Canada
102 reviews
Brookstone Windows & Doors
1472 Thornton Rd N #14, Oshawa, ON L1L 0P3, Canada
52 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 Oshawa, a permit is not required for replacing windows of the same size. However, if you are increasing the size of the opening or making structural changes, a permit is mandatory, with fees increasing by 3% in 2026.
For a standard vinyl window with professional installation, homeowners typically pay between $600 and $1,200. Premium fiberglass or wood units can exceed $2,500 per unit.
Yes, the Home Renovation Savings Program (HRSP) remains active until November 2026, offering approximately $100 per window for ENERGY STAR 'Most Efficient' certified models.
Triple-pane windows typically cost 15% to 25% more than double-pane units, but they can reduce heat loss by up to 40%, which is highly recommended for the Durham Region climate.
📊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: 3 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.