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
Buckingham Palace fire devastated many of its state rooms. In the year to 31 March 2017, 580,000 people visited the palace, and 154,000 visited the gallery. Her Majesty's Government is responsible for maintaining the palace in exchange for the profits made by the Crown Estate. In November 2015, the State Dining Room was closed for six months because its ceiling had become potentially dangerous. A 10-year schedule of maintenance work, including new plumbing, wiring, boilers, and radiators, and the installation of solar panels on the roof, has been estimated to cost £369 million and was approved by the prime minister in November