The average size of a new home in the U.S. hit a new record in 2013, at 241 square metres. The previous record was about 232 square metres in 2008, just before the housing market imploded.

That might sound like good news, but it actually indicates a weak housing market, according to economist Robert Dietz of the National Association of Homebuilders. “Higher-end homebuyers, particularly older homebuyers with cash reserves necessary to meet today’s down payment requirements, are in the new home market in greater proportions than…