The hotel is built on the site of a series of townhouses that included 145 Piccadilly, the childhood home of Queen Elizabeth II.

It was officially opened by Valerian Wellesley, 8th Duke of Wellington on 23 September 1975 as the Inter-Continental London.

The hotel continues to be managed by InterContinental under a thirty-year contract, with three additional ten-year extension options.

[3] InterContinental London Park Lane has 449 rooms, including 71 expansive suites.

[4] Other food and drink services in the building include the Wellington Lounge[5] and the Arch Bar.