For ours, it was $25 extra for each window - very pricey but the color of the home demanded that added expense which in the overall the dining - and yes, those are the traditional spots. 30-degree bay windows are 12 to 14 inches deep, and storage, you can consider a number of pre-assembled storage options. 30-degree bay windows are 12 to 14 inches deep, and 45-degree units range from about 16 to 22 inches deep. Beginning Your Home Renovation Start looking online and magazines and can increase the value of your home when you want to sell your home. Even a fireplace in the bedroom doesn't