How big is a room in rural Jiangsu?

Houses built in rural areas are generally 3.8 meters wide.

Some people's houses are 4 meters wide. Why are there houses 3.8 meters wide and houses 4 meters wide? According to the length of precast cement slab purchased by residents. Now most people build houses, and the floors are supported by water. Most people live in a house with a width of 4 meters.

China has vast rural areas, from Xinjiang in the west to the eastern coastal areas, and from Hainan to Inner Mongolia. There are different requirements for the architectural style and width of rural houses. For a family, the size of the homestead is different, and the width of the designed house is also different, ranging from a few meters to dozens of meters.