The 17C County Hall is quite interesting, it was designed by Christopher Kempster , who assisted Wren with the construction of the dome of St Paul's Cathedral.

The view across the rooftops of Abingdon is dominated by the 15C spire of St Helen's Church , a wide building with 5 side aisles, almost entirely rebuilt in the 15C; note the 14C paintings on the ceiling of the north aisle and the delightful 15C ..