Window Replacement Cost in Philadelphia (2026)
Average cost in Philadelphia
US$2,495 — US$8,197
US$300 — US$1,200 per sq ft
Cost Breakdown
ItemizedVinyl, fiberglass, or wood frames and glass packages
75%
Professional installation and glazier wages
15%
Removal of old windows and site debris
5%
Sealants, flashing, and insulation foam
3%
Philadelphia L&I exterior window permit fees
2%
Sales Tax at 6%
📋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
US$4,560 — US$6,840
Based on 9 sources and market data for Philadelphia. Actual costs may vary depending on specific project requirements.
📈Price Momentum
Year-over-year~1 year ago
US$5,145
Today
US$5,310
Window Replacement in Philadelphia is ↑ 3.2% compared to roughly a year ago — about US$165 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 Philadelphia
Verified providersPella Windows and Doors Showroom of Langhorne, PA
The Shops At Flowers Mill, 132 N Flowers Mill Rd, Langhorne, PA 19047, USA
1,081 reviews
ARDMOR Windows & Doors
1813 Easton Rd, Willow Grove, PA 19090, USA
1,390 reviews
Window World of Philadelphia
253 Horsham Rd, Horsham, PA 19044, USA
381 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
Yes, Philadelphia's Department of Licenses and Inspections (L&I) typically requires a permit for exterior window replacement, which carries a standard filing fee of approximately $100. Structural changes or work in historic districts like Society Hill require additional approvals.
The average installed cost per window in Philadelphia is approximately $1,038. This typically breaks down into $889 for materials and $148 for labor, though premium fiberglass or wood units can exceed $1,500 per unit.
Homeowners in the Philadelphia climate zone can expect to save between 15% and 25% on annual heating and cooling costs, which averages to about $317 in annual savings for a typical row house.
The most cost-effective time to book a project is between November and February. During this off-peak season, contractor demand is lower, and some local companies offer 'winter discounts' to keep crews busy.
📊Our Methodology
How we collect dataAggregated from 7+ 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 USD.
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.