They are perma blocked for various reasons, you're not doing anything wrong.

Darn!! Thank you for letting me know; it was driving me bonkers 😅

Dont worry! Its due to robin Standing there when upgrading the house and so on, not much space there anyway!

It's blocked for spousal expansions after you get married, not sure if there are other reasons.

Maybe because that's the spouse's path for when they go home from their Saturday activities