 Sherds of late Neolithic pottery from a single Peterborough ware Mortlake bowl were found in a pit excavated south of Biggleswade Hospital.Archaeological excavations in 2001 discovered a late Bronze Age pit to the north of the water tower on Topler's Hill.Iron Age pottery and a bead together with charred cereal grains of wheat and barley have been found in pits to the north of the town.