Norwich Cathedral necessitated rebuilding of the east end and spire but since the final erection of the stone spire in 1480 there have been few fundamental alterations to the fabric. The large cloister has over 1,000 bosses including several hundred carved and ornately painted ones. Norwich Cathedral has the second largest cloisters in England, only exceeded by those at Salisbury Cathedral. The cathedral close is one of the largest in England and one of the largest in Europe and has more people living within it than any other close. The cathedral spire, measuring at , is the second-tallest in England despite being
Königsberg Cathedral two spires. The spires (one north and one south) overlooked the entrance (west side) of the cathedral. In 1544 the two spires were destroyed by fire. The south spire was rebuilt, but the north spire was replaced by a simple gable roof. In 1640 a clock was built underneath the rebuilt spire, and from 1650 the famous Wallenrodt Library, donated by Martin von Wallenrodt, was situated underneath the gable roof. In 1695, an organ was installed in the cathedral. In the 19th century, the organ was restored and then renewed. On 27 September 1523, Johann Briesmann gave the first Lutheran