Making a house completely out of the styled rooms? It could lead to some interesting builds. I don't know if I personally would do it as I'm short on time at the moment and have no need for new ho...
Not really. I don't use styles rooms nor do I like. Same with the blueprints on TS3. Houses never look good when I place pre-made rooms together and since all of them have a square shape it's hard to make an interesting looking house with that. I'd rather build a house from scratch and fill the rooms.