Most basement windows are small hopper or sliding windows set into the foundation. Replacing one in the same opening is a modest job; enlarging it to meet egress rules is a much bigger one.
Cost at a glance
| Cost | Source | |
|---|---|---|
| Average replacement | $750 | Fixr.com, basement window replacement cost (Dec 2023) |
| Typical range | $500-$1,000 | Fixr.com, basement window replacement cost (Dec 2023) |
| Hopper or awning unit (prefab) | $100-$250 | Fixr.com, basement window replacement cost (Dec 2023) |
| Sliding unit (prefab) | $150-$700 | Fixr.com, basement window replacement cost (Dec 2023) |
| Glass block unit (prefab) | $100-$300 | Fixr.com, basement window replacement cost (Dec 2023) |
| Labor | $150-$700 per window | Fixr.com, basement window replacement cost (Dec 2023) |
| Window well replacement | $750-$1,500 | Fixr.com, basement window replacement cost (Dec 2023) |
What affects the price
- Window type: hopper, slider, glass block or egress.
- Opening condition: rotted wood bucks or cracked concrete add work.
- Custom sizes: older homes often have non-standard openings.
Ways to save
- Glass block is cheap and secure where you don’t need ventilation.
- Replace basement windows with the rest of the house to get project pricing.
Get an accurate price
Online averages are a starting point. Window prices depend on exact sizes, your home’s condition and local labor rates, so the only reliable number is an itemized, in-home quote. Compare at least three, and use our window cost calculator to sanity-check them.
Frequently asked questions
Can I replace a basement window myself?
Same-size hopper windows are a manageable DIY job for some homeowners; anything involving cutting concrete should go to a pro.
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