Prince Charles, Prince of Wales, Queen Elizabeth II, Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge stand on the balcony of Buckingham Palace during the annual Trooping the Colour Ceremony on June 15, 2013 in London, England.

U.K. taxpayers have received a shock, with lawmakers revealing the full extent of the costs involved to refurbish the poor condition of the Queen's residences.

Alan Reid, the keeper of the privy purse and the treasurer to the Queen was grilled by politicians in a House of Commons committee hearing and admitted that 39 percent of the royal estate was below "target condition". The public bill could be in the region of £50 million ($80 million).