About 120 m2 Apartment above the ground and a 175m2 basement with a toilet and a staircase that has access to the basement
Ground Floor :
Living area
Dining area
Kitchen with stool bar (the kitchen can be closed if wanter with a partition
Small Storage
3 rooms ( 1 master with a toilet and wardrobe )
Toilet

The lowest height is 2.70 for the apartment
Also attached 3d Revit for any wanted sections , dimensions or heights
I hope you like the design.