The house is placeholder until i make a better one where objects won't be able to bug through it but thank you for mentioning it. It's on my to-fix-list for sure.
What do you mean by the over has low performance settings? Is it causing perofrmance issues? Are you getting low frames when you use it or look at it?
Your specs should run the game butter smooth i believe. Let me know if you have any performance issues. Will help alot.