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.
Canterbury pub index
at St Dunstans Place, London Road in 1874 & earlier
Directory of Pubs in the UK, historical public houses, Taverns, Inns, Beer Houses and Hotels in Canterbury, Kent .
Residents at this address
1828-9/Jas Edmed/../../../Pigots Directory
1832-4/James Edmed/../../../Pigots Directory
1840/James Edmed/../../../Pigots Directory
1847/Thomas James/../../../Post Office Directory
1858/Thomas James/../../../Melvilles Directory
1862/T James/../../../Post Office Directory
1867/T James/../../../Post Office Directory
1874/T James/../../../Post Office Directory
1882/William Court/../../../Post Office Directory
1891/Richard Hopkins/../../../Post Office Directory
1903/Charles Winchester/../../../Post Office Directory
1913/G W Hodges/../../../Post Office Directory
1922/John James Stanley Feist/../../../Post Office Directory
1930/Jn Moon/../../../Post Office Directory
1938/T J Gilder/../../../Post Office Directory