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.
The 1867 Directory of Pubs in the Surrey, historical public houses, Taverns, Inns, and Hotels in Surrey . The Surrey directory lists information from the publican, public house and address in about 1867.