redrabbit I’m still debating where to put sittings tbh haha. I used to have sittings around the upper right corner but am thinking about moving the couch to another room, so the piano room can look more spacious. Another option is to get a smaller couch.
I think the question here is how you want to use the room. Will you have music parties where people come and you play for them and they play for you? My piano space isn’t very roomy, but I have three chairs around the piano because I want to have music parties. And the piano sort of opens up toward the living room, where I have a vaulted ceiling. My tuner told me that the unevenness of the ceiling really helps the sound, and even though the piano room and living room aren’t a]exactly an open space, the piano sounds amazing from the living room. (It sounds fine in the piano room, but even better if you’re sitting in the living room).
Anyway, back to your placement, you want the piano to open up toward more space, not less. Which is why photos #2 and #4 are the worst choices acoustically, because the piano sound has no where to go. Let me see if I still have photos of the floor plans I considered in my old house…