This document discusses the architectural aspects and principles of building planning. It covers the basic requirements of building planning such as orientation, utility of space, and adhering to regulations and bylaws. It also discusses the layout of different building types, including residential buildings like detached houses, semi-detached houses, row houses, and flats. For industrial buildings, it lists components like the canteen, cloak room, storage areas, and parking. The principles of building planning include considering aspect, prospect, privacy, grouping, flexibility, and ensuring adequate circulation, lighting, sanitation, and furniture requirements.