Like others have said, SE is very unlikely to release details until just a couple of weeks before any housing changes are implemented. We don't even know for certain it will happen in 6.1. It just seems likely since that's when Ishgard will open.

Quote Originally Posted by Terin View Post
For my part, I'm dead-set on the EXACT plot I want in Ishgard
Hate to burst your bubble but the player housing in Ishgard is not going to be a duplicate of the Firmament. We were already told the layout will be different and that the Firmament only offers an idea of what the aesthetics will be like.

YoshiP did say that the new district will be available for players to preview in 6.0. Once Endwalker has released, take a look around and decide what plot you'd like to have.