Abstract: “Korean Apartment buildings have constructed since 1970s. The apartment became typical housing type in the present. It has changed the urban landscape. Resident’s preference and the development project of many new towns have increased the number of apartment. An architectural design for apartment complex has been developed for finding an optimum among density of complex, quality of residential environment and profitability. Flat buildings have changed to various shaped buildings as L or Y shape ones. The latticed and parallel placement with flat buildings also has varied the arrangement of buildings depending on building shapes. In this study, daylight environment and visual comfort according to apartment master plans were analyzed based on the change of the building shape and mixed arrangement. Simulation by Daysim checked the proper amount of daylight with actual window area. The result was compared in terms of the location and the floor height of each unit. In addition, quantitative”

Keywords: Building shape, Building arrangement, Daylight performance, View’s openness, Window Area