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 Luke pub history index
The address is 112 Old Street in 1856 and earlier, prior to street renumbering. *
Residents at this address.
1848/William Scott/beer retailer/../../Post Office Directory *
1851/James Baldock/Publican/66/Gravesend, Kent/Census *
1851/Susan Baldock/Wife/63/West Riding, Yorkshire/
1851/Martha Baldock/Daughter/23/London, Middlesex/
1856/George Hill/beer retailer/../../Post Office Directory *
1861/Thomas Pertivel/Beer House Keeper/28/Essex/Census *
1861/Ann Hill/House Keeper/36/Middlesex/Census
* Provided By Ewan