The bay window is a protruding window structure that extends from the wall of a building. The purpose is to increase the surface area of the wall, and therefore the amount of natural lighting that can enter the interior. Many people also like them because they make the interior room look more spacious as well.

Where are bay windows used?

Bay windows can make a room appear larger, and provide views of the outside which would be unavailable with an ordinary flat window. They are found in terraced houses, semis and detached houses as well as in blocks of flats.

What is a bay window area called?

A bay window is also called an oriel, or oriel window, when it projects from an upper story and is supported by corbels.