Buckingham Palace 1847, the couple had found the palace too small for court life and their growing family, and consequently the new wing, designed by Edward Blore, was built by Thomas Cubitt, enclosing the central quadrangle. The large East Front, facing The Mall, is today the "public face" of Buckingham Palace, and contains the balcony from which the royal family acknowledge the crowds on momentous occasions and after the annual Trooping the Colour. The ballroom wing and a further suite of state rooms were also built in this period, designed by Nash's student Sir James Pennethorne. Before Prince Albert's death, the palace
History of the Palace of Versailles and construction of the "grands appartements" is that the rooms of both apartments are of the same configuration and dimensions – a hitherto unprecedented feature in French palace design. It has been suggested that this parallel configuration was intentional as Louis XIV had intended to establish Marie-Thérèse d’Autriche as queen of Spain, and thus thereby establish a dual monarchy. Louis XIV's rationale for the joining of the two kingdoms was seen largely as recompense for Philip IV's failure to pay his daughter Marie-Thérèse's dowry, which was among the terms of capitulation to which Spain agreed with the promulgation of the