Taking into account the decorative factors of the tea room, in the architectural design, will generally take the elevation of the building in about 4 meters, so that the end of the interior decoration can be maintained indoors can be seen at an elevation of 3.00-3.20 meters. This height is similar to the comfort level of human feeling.

Additionally, the height is also related to the area of the single room of the tea room, small rooms can make the local some.

The above height refers to the height between the ground and the top. I don't know if the foundation you are talking about is this east.