rattle around

verb1

1. •
   (informal) To take up little space in a house or other building that one occupies; to live somewhere that is needlessly spacious.

   • Jess could remember when home had been full of fun. But it wasn't like that now that Dad had left. The house was too big for just Jess and Mum, and they rattled around in it, lonely and miserable […] — 2007