1. In my opinion based on your sketch, plots A, B and C seems to be around some sort of a Cul-De-Sac variant of sorts.
2. For house plot A: critical for how the house is in relation to the service road.
2.1. For example, the type of fence, gate and how the house especially the front door and windows are important considerations to make or break the Feng Shui of such a house.
2. Based on the sketch, greater concern are for plots B; followed by plot C. Good news is lesser concern for your plot A.