Solved
House template - stairs
Hello, I've bought a preset house on the sims mobile. Once placed on my lot, I wanted to edit a few things (furniture) and add a second floor. However, wherever I put a stairs in order to enable th...
That house has only one level. If you already have unlocked the second level, you need to place a room upstairs before you can place the stairs.
If you haven't unlocked the second level, you will need to get a building permit for the second floor.
You can read here how to get the building permit.
