US developers banking on buyers of million-dollar homes

Newtown Square, Pennsylvania

LISA Gray spent a few months searching for a home that would span the generations, one where her two sons would want to bring friends throughout their teenage years and that her ageing parents could navigate with ease.

She settled on a two-storey house here tailored to include a game room for the boys and a first-floor guest bedroom to avoid the need for climbing stairs. The cost of most homes in this new development? Roughly US$1 million - and up.