as most people seem to have to eventually demolish & replace noble residences that are using general building licences, it would make sense for reward buildings to be available at an earlier stage of the game.

Building: Tent
Capacity: 10 settlers
Available to trade: No
How to get: Include in rewards of easier quests like Lost Skull

What to do down the line when you have dark castles etc & they are taking up valuable real estate...demolish & delete from star menu