 In the 13th century, the central tower was completed, the Norman apsidal eastern end rebuilt with a Lady chapel and a row of chapels added on each side of the nave, forming double aisles such as are found on many French cathedrals.The spire was completed about 1402 and a free-standing bell tower constructed to the north of the west end.In 1262, Richard de la Wyche, who was bishop from 1245 to 1253, was canonised as Saint Richard of Chichester.