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Influence of Balcony Configuration on Daylight and Ventilation in Residential Buildings

Abstract

The study examines the influence of balcony configuration on daylight and ventilation in residential buildings, with emphasis on how the size, form, position, orientation, and enclosure of balconies affect the quality of indoor environmental conditions. Balconies can serve as transitional spaces between indoor and outdoor environments and may influence the amount of natural light entering adjoining rooms as well as the movement of air through openings. Their configuration can therefore contribute to the environmental performance and comfort of residential buildings. The study will assess selected balcony characteristics, including balcony depth, width, projection, orientation, railing type, degree of enclosure, relationship with windows, and connection to adjoining rooms. Daylight performance will be assessed using indicators such as indoor illumination levels and daylight penetration, while ventilation performance will be examined through air movement, ventilation conditions, indoor temperature, and relative humidity. The study will also consider how different balcony configurations affect the environmental conditions of rooms directly connected to them. A descriptive comparative research design will be adopted for the study. Selected residential buildings with different balcony configurations will be assessed through physical observation, dimensional measurements, daylight assessment, indoor environmental measurements, and questionnaires administered to occupants where appropriate. Data obtained will be analyzed using descriptive statistics such as frequency, percentage, mean, and standard deviation, while appropriate comparative or correlation tests may be applied to determine relationships between balcony configuration, daylight availability, and ventilation performance. The study is expected to reveal variations in daylight penetration and ventilation performance among residential buildings with different balcony configurations. Balconies with appropriate dimensions, orientation, openings, and levels of enclosure may provide shading while allowing adequate daylight and air movement into adjoining rooms. Conversely, excessively deep, poorly oriented, or heavily enclosed balconies may obstruct daylight penetration and restrict airflow. Other factors such as window size, building orientation, surrounding structures, vegetation, and room depth may also influence the observed environmental conditions. The findings will be useful to architects, building designers, housing developers, environmental designers, and other professionals involved in residential building planning and design. The study may provide useful information for developing balcony configurations that balance shading, daylight availability, and natural ventilation. The findings may also support passive design strategies aimed at improving indoor environmental quality while reducing dependence on artificial lighting and mechanical ventilation. The study will conclude by establishing the influence of balcony configuration on daylight and ventilation conditions in residential buildings. It is recommended that balcony dimensions, orientation, enclosure, and relationship with window openings should be carefully considered during residential building design to achieve suitable daylight penetration and natural airflow. Further studies involving different climatic conditions, building forms, and residential typologies are recommended to provide broader guidance on environmentally responsive balcony design.

Keywords: Balcony configuration, daylight, natural ventilation, residential buildings, daylight penetration, indoor illumination, air movement, thermal comfort, balcony design, passive design, building orientation, window openings, indoor environmental quality, residential architecture, environmental performance.