qi (ch'i, chi, ki)

My home was built as a square in 1968 but is an L-shape, due to the the addition of a large room to the back of the house in 1982, sharing the same roof and connected by two doors. The empty space in this L-shaped foot print was filled with concrete and made into a patio the same year. This patio was given a solid roof that extends off the side of the house (and the addition) and is held by poles along the edge of the patio. Two doors open onto the patio, one from the original structure and one from the addition. I use the addition as a clinic to see patients. In terms of the patio, we use it both as a place to eat in the summer time and as the exterior walkway (or foyer) patients use to enter our clinic. It “feels” like part of our home and business.

My question is this: How do I create a flying star chart appropriate to this structure? Since the addition has a separate entrance and also is used for business, I have identified a separate sitting and facing direction for it and hence a separate chart from the main house. But what about the patio? Since it’s function falls half way between home use and business use, and it relates both to the original structure and the addition, I’m confused. If I were to simply consider usage, It seems to belong more to our house and household, than to my business, but is was built the same year as the business addition. Should it be an extension of either of these charts?