Many accurate 1921 census transcriptions have already been added to the pub history site, including London, and parts of Middlesex. If you can contribute to the site, send me some details to Kevan, along with some description of the specific property.
St George Bloomsbury pub index
At 9 Henrietta street, Brunswick Square before 1891 - road name change?
A listing of historical London public houses, Taverns, Inns, Beer Houses and Hotels in St George Bloomsbury parish, London.
Residents at this address
Bellew, Greyhound, Henrietta street, Brunswick square/../../Licensed Victuallers
1832/Henry Bell/../../../Robsons Directory
1842/George Wingrave/../../../Robsons Directory
1851/John Plowright/Publican/43/Cottingham, Rutland/Census
1851/Susan Plowright/Wife/27/Horndon on the Hill, Essex/Census
1851/Isabella Archer/Visitor/25/Horndon on the Hill, Essex/Census
1856/William Williams/../../../Post Office Directory
1861/Thomas Willson/Victualler, Widow/52/Amersham, Buckinghamshire/Census
1861/Sophia Allison/Sister, Housekeeper/38/Paddington, Middlesex/Census
1861/Alfred Tules/Barman/21/Gravesend, Kent/Census
1861/Mary A Gill/Servant/17/Chelsea, Middlesex/Census
April 1862/T Wilson/Outgoing Licensee/../../Era Newspaper
April 1862/Samuel Pond/Incoming Licensee/../../Era Newspaper
October 1863/Samuel Pond/Outgoing Licensee/../../Morning Advertiser
Sarah Hollyman had been the licensee at the Dolphin, Long alley prior to this for the previous fourteen years.
October 1863/Sarah Hollyman/Incoming Licensee/../../Morning Advertiser
Sarah Hollyman transfers the licensee to her son Henry, and moves to a new licensed premises at the Eight Bells, Church Street (Mare Street).
April 1864/Sarah Hollyman/Outgoing Licensee/../../Era Newspaper
April 1864/Henry Hollyman/Incoming Licensee/../../Era Newspaper
1867/Henry Hollyman/../../../Licensed Victuallers Association
1869/Henry Hollyman/../../../Post Office Directory
July 1869/Henry Hollyman/../../../Licensed Victuallers Association
July 1870/Henry Hollyman/Outgoing Licensee/../../Era
Henry Hollyman next moves to the Load of Hay, Haverstock Hill, Hampstead.
July 1870/William Naylor/Incoming Licensee/../../Era
January 1872/William Naylor/Outgoing Licensee/../../Era Newspaper
January 1872/William Walter Stephens/Incoming Licensee/../../Era Newspaper
1881/John T Fielder/Licensed Victualler/35/Middlesex/Census
1881/Elizabeth Fielder/Wife/37/Winterborne, Wiltshire/Census
1881/Sarah Blanchard/Visitor/75/Winterborne, Wiltshire/Census
1881/Emma Gilbert/Servant/22/Winterborne, Wiltshire/Census
1881/Henry Durant/Barman/19/London, Middlesex/Census
1882/John Thomas Fielder/../../../Post Office Directory
1884/John Fielder/../../../Post Office Directory
1891/John Thomas Fielder/../../../Post Office Directory
1895/Walter Edward White/../../../Post Office Directory
1899/Herbert John Clarke/../../../Post Office Directory