Complex sentence: The original church of All Saints was a rectangular building aligned on an east-west axis, measuring by, and consisted of a western nave and an eastern chancel, with a sanctuary added to the eastern end of the chancel in the first phase of building.
Split into simpler sentences: The original church of All Saints was a rectangular building aligned on an east-west axis, measuring by. It consisted of a western nave and an eastern chancel, with a sanctuary added to the eastern end of the chancel in the first phase of building.