http://search.ancestry.co.uk/search/db.aspx?dbid=1735
Indexed by the World Archives Project volunteers.
Ooh, my 2xg-grandfather is on there!! *excited emoticon*
Judging by the pages I indexed, most of the entries are for businesses and it only covers the City of London and a couple of other districts. But if your ancestor lived elsewhere you never know, you might find them listed as a landlord.