We are at 4,000 sf. Walkout basement has family room, home office, exercise room, my bathroom, laundry and my bunker playroom. Upstairs has living room (never gets used), dining room (once a year), kitchen, breakfast nook, master bedroom and bath, guest bedroom and bath, and another bedroom that has never been slept in since we built the house 31 years ago. Attached garage is 30’x 32’ and houses 4 vehicles and yard tools. And my detached workshop at 450 sf.
Some extra space that we don’t need. But there is also some extra space that I like and use daily.