 Its architecture reflects numerous significant periods of development, with high-quality examples of different architectural styles resulting from the city's continued importance through more than 300 years of history.Significant among these are the many Charleston "single houses", which are typically a single room in depth, and oriented with the short access toward the street, with the entrance area on a long side.These types of houses are built using all types of building materials, including wood, brick, and stucco.