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.
Kent Villages, Towns & Public Houses - History, Genealogy & Trade Directories
Kent Villages Home Page | Kent Districts & Kent Lathes |Kent Villages and Towns A - Z
Melvilles 1858 Directory of Kent.
The County of Kent Review Order, in 1935, moved various parishes (or parts of) to alternative parishes, these are the current registration districts, for Kent, also giving detail of a previous named registration district.