How to get house exteriors like these?

[kattayfio]

So I was looking at a few blogs and came across these pictures:





I've never seen these in Nooks and I think they look so cool. How do you get them though?
Thanks!

- - - Post Merge - - -

Ahh nvm, just found it. You have to get buttloada of hra points to unlock it. Closing thread!