First the ones at ground level, then those on the upper story.
There is a single window on each of the upper two stories.
"The teacher fell to his death from an upper story."
The upper story of the high school building was removed.
The first floor is the church office, with the upper stories the living space.
Part of the upper story was used as office space.
"I saw him from a window in the upper story."
In the upper story of the old house there was no movement.
I still have a feeling that all isn't right in Sam's upper story.
From the window he could see the upper story of Kelly's house.
Idiome