Complex sentence: The Jail End is known as this because of the old County Jail and Sheriff Court that was positioned behind that end of the ground, the Jails have since been converted to housing, although the Sheriff court is still used.
Split into simpler sentences: The Jail End is known as this because of the old County Jail and Sheriff Court that was positioned behind that end of the ground. The jails have since been converted to housing, although the Sheriff Court is still used.