Summer opening saturday 22july2017to sunday 1october2017 free audio guide choice of tour time exclusive combination offers available 2017summer opening of the state rooms choose your entry time from 1100 or 1500 as there is limited availability on each tour it isrecommendedthat you book early the buckingham palace state roomsare the 19 rooms thatthe queenandroyal familyuse to conductroyal businessand affairs of state in one of the worlds last true working palaces