 In October 1854, however, the house burned down in a fire.Construction of a new building then began in August 1858, with the foundation laid by Queen Amalia, on plans by French architect François Boulanger.Construction was halted the next year due to lack of funds, and not restarted until after Otto was deposed in 1863; the plans were then modified by the Greek architect Panagiotis Kalkos, and construction was complete by 1871.