Daylighting Performance and Visual Analytical Design in Old Shophouses Used as Friendly Guesthouse

This study aims to investigate the daylight in old shophouses in Georgetown, Penang, which have become guesthouses, with particular emphasis on visual comfort and the friendly courtyards. It depended on the climate-based daylighting metric. The study used computer simulation and on-site measurements to convince the shophouse owner. With the design of the courtyard space and the light sensitivity of human vision, the daylighting performance was evaluated in the entire space of the representative model of the traditional courtyard shophouse. The results were analyzed and design recommendations were presented to improve the overall visual environment.