Complex sentence: This name was never related to the idea of a "downtown" in the American sense, although there was a club of that name there for many years which has now closed and this part of Rotherhithe has since the 1980s been quiet and suburban in nature.
Split into simpler sentences: This name was never related to the idea of a "downtown" in the American sense, although there was a club of that name there for many years which has now closed. This part of Rotherhithe has since the 1980s been quiet and suburban in nature.