How much do replacement windows cost in Canada? Find Out The Cost of Replacement Windows. Bow or Bay window prices range between $, to $, .For an average size home , square feet. , the cost for a bay window ranges from $ to $, or more..How Much Does It Cost To Install Bay Windows? National Average $ ,. Low End $ . After deciding to install bay windows, you need to think about the frame .Installation Costs. The amount of work the contractor has to do to retrofit the opening for a bay window also drives how much it costs to install the window..
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..