For this group assignment, Our group's focus was on pinpointing concerns regarding natural lighting and maintaining comfortable temperatures in double-storey terraced semi-detached houses. We aimed to evaluate the existing state of daylight distribution and thermal comfort in these homes. Additionally, we sought to devise strategies for tackling these issues by integrating passive design techniques. To proceed, we selected one of our group members' houses to conduct calculations and collect relevant data. Below, you'll find the summarized outcome of our efforts.