It is 100 steps from the front door of our flat to the front door of our building. That includes 6 flights of stairs. It is great for increasing the number of steps we take per day:)
There is a small lift (elevator) that we often take when we come back after our shift. The lift doors close very quickly when the button is pushed. We have learned that we don't press the button until the second person gets in.
Here in the UK, the first floor is called the ground floor, then the next floor is one, then two...
Thus, when coming to Flat 4, one pushes the button 3 in the lift.
Flat 1 is on G
Flat 2 is on 1
Flat 3 is on 2
Flat 4 is on 3