Just follow the layout of the house before.
To flip an old house, first of all, the house should be square and the shape should be square, so that the fortune will be stable; Secondly, the surrounding environment is good; The third is that the house should be full of yang, yin and yang should be harmonious, and sufficient light can add auspiciousness; The fourth is to avoid crossing. Water here refers to the toilet, and fire refers to the kitchen. Fifth, don't walk in a straight line. The door leads directly to the balcony and window, the front and rear doors are opposite, the front and rear windows are opposite, and the balcony and window are hedged. These are all taboos of geomantic omen; Sixth, the size of the door should refer to the size of the "door meter", while the furniture should refer to the size of the "Ding Lan ruler"; Seventh, we should choose a good time to demolish houses and build houses.