Space Planning always  should be done with reference to the feasibility of multiple aspects like future road elevating height, plumbing/electrical services lines, natural ventilation, Orientation with scientific vastu. Noise at interior, structural safety, safe against theft, safe location of equipments/Utilities/pool & balcony railings, Fire safety (Example: a simple arrangements  can be made to keep the gas cylinder outside house from our kitchen through a little copper pipeline work. is’t it a value engineering & obtaining a eco friendly concept is must. thats what the difference House Plans center ensuring during the floor design.