Complex sentence: The tower, described as "the best of the Manchester 1960s office blocks", was listed for its "discipline and consistency" and is part a group with New Century House and its Conference Hall on Corporation Street.
Split into simpler sentences: The tower, described as "the best of the Manchester 1960s office blocks", was listed for its "discipline and consistency". It is part of a group with New Century House and its Conference Hall on Corporation Street.