I think you nailed the atmosphere, I really enjoyed it! The notes were well written.
I found that the field of view was too zoomed in, or maybe I just needed a run/jog mechanic, or a map that uncovers as I explore the house. I found myself doubling back a lot and I think I may have I missed a few areas.
I got to the end (I think). I couldn't figure out the mystery of the story. Nevertheless I was intrigued.