 Attefall was Member of the Riksdag from 1991 to 1994 and from 1998 to 2014.In the Riksdag, Attefall served as parliamentary group leader of his party from 2002 to 2010 and as chairman of the Committee on Finance from 2006 to 2010.His name is associated with the Attefall house, a larger version of the friggebod.