The arcade is composed of twenty-eight shops on the ground floor. The first floor was originally offices, but converted to the Felix Hotel in 1915. The buildings were bombed in 1941 during World War II and not fully restored until 1957.
- Historic England. "Piccadilly Arcade (1265804)". National Heritage List for England. Retrieved 23 September 2016.
- 'Piccadilly, South Side', in Survey of London: Volumes 29 and 30, St James Westminster, Part 1, ed. F H W Sheppard (London, 1960), pp. 251-270. British History Online http://www.british-history.ac.uk/survey-london/vols29-30/pt1/pp251-270 [accessed 3 May 2019].
- "The History Of Benson & Clegg". bensonandclegg. Retrieved 20 January 2016.
- "An Interview With Benson & Clegg's Mark Gordon". bespokeunit. Retrieved 20 January 2016.
- Weinreb et al. 2008, p. 441.
- Media related to Piccadilly Arcade at Wikimedia Commons
- Official website
- Piccadilly Vaults
- The Armoury of St. James's