Is there a reason why the study absolutely has to be located downstairs? And what do you think about the idea of minimizing the utility room on the ground floor, turning it more into a technical room, and moving the actual utility room upstairs near the bathroom? That way you gain space. To be honest, I think with a 150m2 floor plan, the living room can also be a bit more generous. And by that, I don’t mean a 50m2+ living room. But I find 35 - 42m2 simply reasonable for a living room.