NeoGAF Official Thread Wrote:Housing
In a later patch, players will be able to purchase expensive plots of land in shared instanced areas for housing, both small and large. Land deeds can be bought for personal or FC use and be freely traded or sold to other players. With property owned, players can build, expand, and add furniture to houses of their liking. Adding things like battle trophies, parks, or chocobo stables will grant benefits (e.g. EXP bonus) to be shared with fellow FC members. This also includes a storefront for selling goods. Owners can set permissions depending on how they’d like to use the property. As there is limited space, developers will add a new instance only when the current one is getting full (similar to Dragon Quest X).
Nabbed from the Visual Synopsis on NeoGAF.  I think his sources are in his second post.
