Players are allowed to have 1-house per account , and you are allowed up to three accounts per IP address.
- You can buy and place all the orginal houses, and also houses from the Renaissance Era. http://www.uoguide.com/Houses
- There are no tents on An Corp.
- Craftable houses: You can craft your own house with an Artitect Pen
- Custom Houses are now avaliable.
NPC vendors will buy deeds back from you but at much less than they sell them for.
You can read more about housing in Wiki