How much does it cost to install a bay window?
Bay window installation runs $1,800 for a basic 3-panel vinyl bay, $3,800 for a typical mid-tier wood-clad bay with new framing, and $7,500+ for premium custom bow or oriel windows with structural reinforcement.
Quick price points (2026)
| Tier | Cost | Unit |
|---|---|---|
| Low | $1,800 | installed |
| Typical | $3,800 | installed |
| High | $7,500 | installed |