Nowadays, house types are generally not allowed to be changed, and must be submitted to the property management for approval. Your house is not Feng Shui, and the Feng Shui you mentioned has no bearing on it. If you want to change it, look at the location of the load-bearing beams and then make a plan. Now that I don’t know where the kitchen and bathroom are in your house, I can’t tell you a renovation plan. Generally speaking, small bedrooms and large living rooms are the dominant house types nowadays, but your bedroom is indeed a bit small. If you really want to change it, seal off the living room and change the location of the living room