For an average size home , square feet. , the cost for a bay window ranges from $ to $, or more. The price varies greatly based on size, style ca.t or double hung , material, and manufacturer. Costs typi.y include the window, labor, and trim..The cost to Install a Bay Window starts at $ $, per window, but varies significantly with common options. Get real costs for your SPECIFIC project .Bay windows extend your home’se and can create a panoramic view in any part of your home. The costsociated with bay windows can vary largely on the scope of .Cost of Bay and Bow Windows. Bay windows are not cheap and the average price for a basic bay window can be anywhere from $ to $ for just the window. The cost of the bay window will depend on how large the window is and the materials that are used for creating the window frame..
Add to this the cost of hauling the debris away and dump fees for disposal of non hazardous waste usually around $. and your installation costs could be $. to $ If you re replacing a flat pane window with a bay window, the labor will most likely cost more, around $. an hour.. Replacing a flat pane window will increase the overall cost of your project by around $ per hour. Adding new support structures to you home will add time to your project, which leads to higher labor costs. The average labor cost to install bay windows is between $ and $..