Basically, the appearance of this house is stable, in line with the principle of geomantic omen, and the main family is lucky.
The kitchen and companion room you mentioned are separated from the main building, and there is a narrow passage in the middle for lighting, which is not necessary, but makes the main building more square. In geomantic omen, if there is the same main building, there are the same short rooms on both sides of the front, which extend outward, in order to push the ox cart house and oppose the bureau of returning money and losing money set by the owner.
Unless the surrounding environment is special, generally speaking, the sitting orientation of the partner room, kitchen and main building should be three different sitting orientations.
It is not clear how the lobby got into the back stairwell in the photo.
What is the function of accompanying reading?
What is the level and location of the kitchen?