You may have 3 techniques.
Sims 2 lock doors mod.
You need this mod if you follow my tutorial on using modular stairs with the ultimate collection or if you use open underneath modular stairs at all.
You could the two lock the door so only that particular sim can enter so.
These are mods that impact build mode and buy mode.
Unfortunately the maid just waits outside my house until i have to manually dismiss her.
When the sim comes out the door is left unlocked ready for the next person.
You could lock doors without expansions or mods.
This little tuning mod adds a simpicker to the unlock door pie menu.
Click on links to download or go to specific page.
Only pull up the partitions i i on the door.
When a sim enters the bathroom the door locks behind them and no one else not even npcs can get in.
Maxis modular stairs passage fix this mod enables sims to pass directly through under all maxis modular stairs just like base game holy smoke stairs.
Sims 2 access control.
Is there a way to get around this b c in sims 2 this wasn t an issue.
On residential lots with the simpicker you can choose up to 20 sims including sims who are not in the household to unlock lock the door for.
A tuning mod which enables door lock unlock capabilities on any lot.