A bay window design is a special arrangement of three or more windows that extend past the main wall of a room, forming an outwardly projecting bay. These windows are renowned for lending a sense of refinement to any area in which they are placed. They are regarded as one of the most elegant window designs in interior design and are available in a variety of shapes, including square, polygonal, semi-hexagonal, and semi-octagonal.

Recently, bay windows—which are composed of unplasticized polyvinyl chloride—have grown in popularity. These windows are the newest thing on the market, and a leading producer of uPVC bay windows, Lion Srinidhi profiles, gives clients access to a large selection of styles. The cost of uPVC bay windows is justified by the many benefits these windows offer.