The index lists over 5800 individual London pubs in 1848 including beer retailers, hotels, and a few coffee houses..
The London pub history site in which you will find Licensee information, publicans, beer retailers, bar staff, boarders & lodgers from Census and Trade Directory information. This is the 1848 street directory of these London pubs.
If you are looking for a specific pub or address, please use the search engine. It is not perfect, but it has a whole host of pubs history listed and you can search for an address, a surname or a place.
London pub history directory.