Random thought that had crossed my mind awhile back.
How about instanced FC housing?
Start off with a single instanced small plot and the FC can upgrade it to larger sizes if they desire. Even possibly give crafters more stuff to make and create an XL format only available through this for an FC. Most housing zones have unused doors that could be access points from the current residential areas.

Bear in mind I'm proposing the entire plot instanced. Indoor and outdoor