I don't know about GP comment about stuff inside the house but here we have something called "local urban planning" where I live. For example, depending on the

I don't know about GP comment about stuff inside the house but here we have something called "local urban planning" where I live. For example, depending on the plan, you can't build above 2 stories, or you have to conform to a predefined set of colors for the street facing wall. There are various rules depending on the neighborhood you're in and if there is a historical site in the vicinity, etc.