piętro kondygnacja in inglese:

The storey is destroyed.

five-storey building

A bungalow has only one storey.

My block is fourteen storeys high

Storey and floor, whiles they can mean the same thing, are sometimes used differently. One might say a building has ten storeys or ten floors, but Mr. Brown lives on the fifth floor of a ten storey building.

He won't work at the top ot the 20 storey building

an eight storey building

a ten / multistorey building

a three-storey house