Complex sentence: At the beginning of the 14th century there had been around 5,000 friars in England, occupying extensive complexes in all towns of any size; and there were still around 200 friaries in England at the dissolution.
Split into simpler sentences: At the beginning of the 14th century there had been around 5,000 friars in England, occupying extensive complexes in all towns of any size. There were still around 200 friaries in England at the dissolution.