From Longman Dictionary of Contemporary Englishall-seaterˌall-ˈseater adjective British EnglishDS an all-seater football ground, stadium etc is one where everyone has a seat
Examples from the Corpus
all-seater• The old San Siro stadium, now formally called Giuseppe Meazza, became an all-seater arena holding 85,000 people.• Too often taken for granted, the campaign against all-seater stadia is gathering pace and is uniting fans around the country.• As if to celebrate the move into their brand-new all-seater stadium, St Johnstone have advanced to the leadership of the division.• And even that will disappear once all-seater stadiums have further numbed the supporters' creative outlets.• But on the other hand, he gave fans exactly what they didn't want a plan for all-seater stands. 