The minimum width of the bathroom seems to work best if you make it 6 feet wide. Make the bathroom as spacious as possible and try to include a large pantry within the room, not in an adjacent hallway. Try to design the laundry room as a separate room if at all possible. Do not succumb to the temptation of using it as a hallway from the garage to the main portion of the house. Create an alcove or nook for the home-office computer and desk setup.
Many people just plan to place it in a room.
The trouble is most people are not neat, and the desk looks like a disaster zone. The space over the garage needs to have full attic trusses or at the very least affordable storage trusses. Finally, have the electrician install numerous strategically placed exterior outlets in the front and rear of your home for your festive holiday lights. Send for Builder Bulletin 344 listing 25 additional must-have design tips for the perfect new home.