In New York City, where a family condo can easily garner a $1.5 million price tag, flat square-footage measurements aren’t always the final word on livable space. Some buyers here would rather know a home’s cubic square footage. Where elbow room is at a premium—and, boy, is it ever—they simply can’t afford to waste vertical space. So, they think outside the box. You might even say they’ve mastered the art of using the whole box: Continue reading