Collocations for storey - noun

lower
top, upper
first, second, etc.
He jumped out of the second-storey/second-story window.

have
The house has three storeys.

occupy
The kitchen occupies the lower storey.

add
They plan to add an extra storey.

on a/the storey
I live on the top storey.

five, ten, etc. storeys/stories high, five, ten, etc. storeys/stories tall (esp. AmE)
The building is four storeys/stories high.