TBH I was surprise when I read that adding a door instead of using the front door, then I read below reason FYI ^^;

http://forum.square-enix.com/ffxiv/t...806-23-2014%29

Q: How can we access our private chambers?

A: In patch 2.3 we'll be adding a door to the first floor of free company houses where players can access any private chambers available. The idea is that you're going to your room which is inside of your free company house, so we wanted to avoid a design where players would be moved directly to their rooms without the chance to see other free company members.