1. There is a separate small room behind the big room.
This situation is simply that a small house is built behind the big house, but there is no wall between the small house and the big house, and the small house built independently has a certain distance from the big house.
Generally speaking, this pattern has little impact on residential feng shui and does not constitute a serious Shaqi. However, it should be noted that building an independent small house behind a big house will easily lead to the geomantic omen of the big house, which is also unfavorable to residential feng shui and has a certain impact on the household's career.