The average height of a three-story office structure is 38.39 feet. Buildings with three stories are typically 30 feet in height. The average height of a three-story, multi-use structure is 34.5 feet.
Prior to determining a structure’s height, the Council of Tall Buildings and Urban Habitat classifies it as either an office building, a residential building or hotel, or a mixed-use building. The average height of a commercial structure is 3.9 m (almost 13 ft) per storey. The typical story height for a residential structure is 3.1 metres (10 feet), while the average story height for a mixed-use building is 3.5 metres (11.5 feet).