How Much Does Window Replacement Cost in St. Louis in 2025?
Understand what drives window replacement costs in St. Louis and St. Charles — plus how to get real value without overpaying.
If you’re a homeowner in St. Louis or St. Charles thinking about replacing your windows in 2025, you’re not alone — and you’re asking the right question. Window replacement is one of the best home upgrades for energy efficiency, comfort, and curb appeal. But how much should you expect to spend?
Let’s break it down so you can plan with confidence and avoid surprises.
Average Window Replacement Cost in St. Louis (2025)
While pricing can vary, here’s a general cost range for residential window replacement in the Greater St. Louis area:
| Window Type | Average Installed Cost (Per Window) |
|---|---|
| Vinyl Double Hung | $400 - $750 |
| Casement | $500 - $850 |
| Sliding | $450 - $800 |
| Bay or Bow | $1,500 - $3,000 |
| Garden Window | $900 - $1,500 |
| Awning or Specialty | $500 - $1,000+ |
💡 Note: These prices include installation and disposal of old windows. Final pricing may vary based on window size, quantity, frame material, and energy-efficient upgrades.
Factors That Affect Window Replacement Cost
1. Number of Windows: The more windows you replace at once, the more cost-effective it may be per unit.
2. Window Style: A standard double hung will cost less than a custom bay or specialty window.
3. Material: At Budget Wise Windows, we install high-performance vinyl windows, which offer excellent value and energy savings.
4. Energy Efficiency Features: Low-E glass, gas fills, and multi-pane options improve performance — and may qualify for energy rebates in Missouri.
5. Installation Conditions: Older homes or complex architecture may increase labor time, especially if structural changes are needed.
Why Replace Your Windows in 2025?
- Lower your energy bills with insulated, high-efficiency glass
- Boost your home’s resale value and curb appeal
- Eliminate drafts and condensation
- Enjoy smoother operation with modern hardware
- Take advantage of warranty-backed installation
What’s a Fair Quote for Window Replacement in St. Charles or St. Louis?
A fair quote should include:
- Product and labor costs
- Removal of old windows
- Permits (if needed)
- Warranty details (product + installation)
At Budget Wise Windows, we provide clear, no-pressure estimates so you know exactly what to expect.
Serving St. Charles and the Greater St. Louis Area
We proudly serve homeowners in: St. Louis, St. Charles, Kirkwood, Webster Groves, Fenton, Eureka, Washington, Hillsboro, Union, and nearby areas.
Not sure if you’re in our service zone? Contact us — we’ll be happy to help.
