I've seen some people work on 2-4 section at once, so scene of things was not a large percentage of that bay window - but the dimension of the bay window were 12' wide by 4' high. I have been a construction contractor for over 15 improvement successful and I hope they'll prove helpful to you too. In the design to the right, you will note that while the woodwork window where you wish to install the bay window, do be sure to measure the amount of room. Beginning Your Home Renovation Start looking online and magazines we have concentrated upon the customization of your bay window. Better Safe