On the low end of the price range, this type of window replacement with premade panels costs as little as $1,700 while the installation of a new custom-made bow window design will cost up to $13,000.

To help you see your way clearly when buying replacement windows, check Consumer Reports' expert insights and test results.

Learn more about the average bay window installation cost, including types and sizes. Find out the factors that affect the final price you'll pay.