| Window Units | Cost of purchasing the bay window units, including frames, glass, and any additional features | $1,500 – $5,000 |
| Installation | Cost of hiring professionals for installation, including labor charges and materials | $500 – $2,000 |
| Structural Changes | Cost of any necessary structural modifications to accommodate the bay window installation | $500 – $2,000 |
| Permits and Fees | Cost of obtaining any required permits and paying associated fees | $100 – $500 |
| Finishing Touches | Cost of additional finishing touches such as trim work, paint, or other aesthetic enhancements | $200 – $1,000 |
| Total | | $2,800 – $10,500 |