Key performance indicators for commercial projects include types of commercial developments like hospitality, IT spaces, and commercial buildings for offices and businesses. Specific parameters considered are need, government policy, approvals, business drivers, infrastructure, and maintenance ease. Area allocation percentages are determined for office/room space, food courts, retail, entertainment, and open spaces. Design KPIs and factors like structure design, construction area, developer type, contractor grade, formwork system, preliminaries, amenities, external development, and other costs influence project costing.