Quick Answer

Window Replacement Cost in Oshawa (2026)

Average cost in Oshawa

$14,692avg

$8,000 — $25,000

$600 — $1,500 per sq ft

+5.5% YoY
9 sources
Updated 2 weeks ago
Ontario

Cost Breakdown

Itemized
Labor

Professional installation and finishing

$3,600 — $11,250

45%

Materials

Window units, frames, and hardware

$3,200 — $10,000

40%

Disposal

Removal and recycling of old units

$400 — $1,250

5%

Contingency

Unexpected framing or sill repairs

$560 — $1,750

7%

Permits

Municipal fees for structural changes

$240 — $750

3%

🧾HST (13%) — Ontario
Base cost + $1,910 tax$16,602

HST at 13%

📋What's Included

Scope

Typically 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

Interactive

Estimated Cost

$5,450

$4,360 — $6,540

Based on 9 sources and market data for Oshawa. Actual costs may vary depending on specific project requirements.

📈Price Momentum

Year-over-year

~1 year ago

$13,926

Today

$14,692

Window Replacement in Oshawa is 5.5% compared to roughly a year ago — about $766 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 providers
🔨

Stone River Windows Doors

391 Marwood Dr, Oshawa, ON L1H 7P8, Canada

4.9
★★★★½

67 reviews

🔨

Panorama Windows and Doors Oshawa

21 Simcoe St S, Oshawa, ON L1H 4G1, Canada

4.8
★★★★½

102 reviews

🔨

Quality Home Improvements

600 King St E, Oshawa, ON L1H 1G6, Canada

4.8
★★★★½

33 reviews

🔨

Aurora Windows & Doors

241 King St E, Oshawa, ON L1H 1C5, Canada

4.3
★★★★½

82 reviews

🔨

Pro Windows & Doors ACM

494 King St E, Oshawa, ON L1H 4H2, Canada

4.0
★★★★

54 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, a single standard vinyl window replacement in Oshawa typically costs between $600 and $1,500 installed, depending on the style (e.g., casement vs. slider).

For a typical 3-bedroom home with 10 to 12 windows, homeowners should budget between $12,000 and $18,500 for standard vinyl replacements.

Yes, homeowners can access up to $5,000 in rebates through the Canada Greener Homes Loan and local Ontario energy efficiency programs for installing Energy Star certified windows.

Upgrading to triple-pane glass in the Oshawa area typically adds a premium of $120 to $180 per window unit, but can improve energy efficiency by up to 40%.

📊Our Methodology

How we collect data
1

Aggregated from 5+ verified web sources and cost databases

2

Licensed contractor estimates and regional cost guides

3

Government construction and labor statistics

4

Community-reported project costs and reviews

Last data collection: 2 weeks 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.