I've been shamelessly stealing ideas from other people's houses, and one of the best I saw was turning the Daggerfall Overlook courtyard into a hedge maze. Mine isn't nearly as elaborate as the one I saw, but it makes the space feel much larger and more usable. There are several nooks, each large enough to feel interesting, and the hedges are high enough to make it feel private.

I also included screenshots of my crafting barn, my loft inside the castle, and the ways I've used carpets to partition rooms and create faux doors.

Here's the full IMGUR album.

Here are some samples: