Complex sentence: The Nave is of uncertain date, but circa 1350 a north aisle was added and the chancel was rebuilt.The North Aisle was rebuilt and widened around 1450, and Kemp's Chapel was added; the chancel arch was possibly removed at the same time.
Split into simpler sentences: The nave is of uncertain date, but circa 1350 a north aisle was added and the chancel was rebuilt. The north aisle was rebuilt and widened around 1450, and Kemp's Chapel was added; the chancel arch was possibly removed at the same time.