Minecraft wiki entry for Superflat_survival, associated text: Small house with double door, but without chimney
Medium house, which looks like a conjoined house
Big house (house with 4 beds, which looks like a 2-story house)
Village tannery (building with cauldron which can be seen outside)
Village cartographer house (building can be recognized from outside be looking at 2 flowerbeds outside with 2 block wide for each flowerbed)
Village weaponsmith-shop (looks similar to a classic blacksmith shop)