how much does an new type of bow cost
For the best cost-efficiency during installation, the replacement bow windows should be the same size, or smaller, than the existing windows. If the bow windows are larger you'll need to pay an additional $300 to $600 to alter the window opening to accept the new bow windows.tandard Bow Window - $1,400 to $1,600. While the number of windows can vary, a typical standard bow window will have four or five windows mulled together. The central window usually does not open, but the terminal windows may. The panes might be standard glass or low-E glass.