Many accurate 1921 census transcriptions have already been added to the pub history site, including London, and parts of Middlesex.
St George Hanover Square pub history index
The earlier address is at 1 St Georges Terrace, being part of Hyde Park place west
A listing of historical London public houses, Taverns, Inns, Beer Houses and Hotels in St George Hanover Square - London; and includes such areas of London as Knightsbridge, Mayfair and Pimlico.
Residents at this address
1843/Francis Williams/../../../Kellys Directory
1851/Elias Robinson/../../../Kellys Directory
1856/George Nicholson/../../../Post Office Directory
1861/John Gillbank/Licensed Victualler/51/St Lukes, Middlesex/Census
1861/Elizabeth Gillbank/Wife/45/Buckinghamshire/Census
1861/Ellen Sapson/Visitor/19/Middlesex/Census
1861/Mary Lee/Servant, Widow/50/Marylebone, Middlesex/Census
1861/James James/Potman/30/Watford, Herts/Census
February 1866/John Gillbank, deceased/Outgoing Licensee/../../Era
February 1866/Elizabeth Gillbank, widow and executrix of John Gillbank/Incoming
Licensee/../../Era
May 1866/Elizabeth Gillbank/Outgoing Licensee/../../Era
May 1866/Charles Peters/Incoming Licensee/../../Era
1869/Richard Pearce/../../../Post Office Directory
1881/Susan R Arnold/Sister In Law, Inn Keeper/25/Kings Lynn, Norfolk/Census
1881/Emma H Arnold/Sister In Law, Barmaid/17/Kings Lynn, Norfolk/Census
1881/Louisa Hill/Barmaid/20/Tottenham, Middlesex/Census
1881/Sarah R Everett/Servant/28/Romford, Essex/Census
1881/Wm Hy Dalton/Potman/19/Bristol, Gloucester/Census
1884/Henry A Gray/../../../Post Office Directory