Please @Freudian, upload the template of that last one (without furniture) here:
http://discourse.stonehearth.net/t/a16-a17-the-buildings-my-hearthlings-will-not-build-round-2/22200
You can try saving / reloading, restarting the game, or things like that to see if they would continue, but if they stop buliding it’s a candidate for the main thread (round 2) 