1.5 Story vs.
1.2 Story
When is .30 huge?
When it’s the difference between a home that is 1 1/2 stories and 1.2 stories (and no, it’s not kosher — or mathematically accurate — to round up to 1.5 from 1.2).
A home that is a legitimate 1 1/2 story can have an upper level that has almost as many finished square feet as the main level.
However, when it’s a 1.2 story, the upstairs overhead is typically less than seven feet — usually, much less.
The result is space that doesn’t qualify as legal finished square feet, and practically, isn’t really usable that way either (although it can still be valuable storage).