Ionic order Ionic order The Ionic order forms one of the three classical orders of classical architecture, the other two canonic orders being the Doric and the Corinthian. There are two lesser orders: the Tuscan (a plainer Doric), and the rich variant of Corinthian called the composite order, both added by 16th-century Italian architectural writers, based on Roman practice. Of the three canonic orders, the Ionic order has the narrowest columns. The Ionic capital is characterized by the use of volutes. The Ionic columns normally stand on a base which separates the shaft of the column from the stylobate or platform; the
Brentwood Cathedral and Welsh slate roof tiles. All the Classical architectural orders are represented in the interior - the four giant Doric pilasters, the Tuscan arcade of arches, the Ionic pilasters of the Palladian windows in the east and west aisles, the Corinthian and Composite influences evident on the cathedral and the organ case. While the interior of the cathedral has a deliberately 'restrained' feeling to it, richness is to be found in the ceiling. The Roman key pattern and the double guilloche pattern, picked out in gold leaf, are dominant here. All the round-headed windows are in the Classical-Wren style, with