Re: A Building Question
@Flying_Pig7 You can also try this:
Step 1: Make a building (like in the picture you posted) on a high foundation and then add an interior wall to divide the building into two rooms.
Step 2: Click on the floor of the room you would like to be “sunken” and delete (Remove) the floor. This will lower the floor of that room to ground level (the other room will still be on the foundations).
Step 3: Add stairs down to the lower level. After you add them you can set the width and reposition the stairs by clicking on them.
Step 4: Add flooring to the lower level and add a fence to divide the two rooms (pick whatever fence you like best). When you are done it will look like this:
Here is a link to a tutorial on creating Split Levels if you are interested in more details:
https://simsvip.com/the-sims-4-building-guide/#SplitLevel
Good luck :D