@DC1 Ok, so it's a bit more work than I anticipated. You'll have to add a personalized property to the classification per zone category, in order for the schedule to show the area per zone category in a different axis than the floor level. Here we go...

This is exactly what I've done in the past for more complex schedules, but in this case I believe there's still a way to do it with interactive schedules.I'll give it a go later

You'll need to add a level category (home story name), set it as the first category and select Order by value - Ascending. After closing the scheme setting, activate Show headline option and press Edit… There, make sure the source of the headline is ...