ashyypem Hello! Apologies for the delay, I'm just now seeing your post. Are you still having trouble with this? Since you mentioned ctrl+shift+c I'm guessing you were thinking to use the freerealestate on cheat. It must be entered at the map view though. From the screen you showed in your image, you can click the X which will take you back to the Map. You'll still see the Moving With: [household name] but you'll be able to enter the cheat, then select the lot again to move them in.
One other thing to note is that once you click save and play from CAS, the household will automatically be saved in your Library. If you used any CC, you will need to check the box on the left to Include Custom Content to see it.
Please come back and update if you were able to move the household into your lot or if you still need help.
Another option might be to have