Search the historical London street directory and pub history site by surname, street or pub name; you will find many obscure early street addresses in London through the Victorian pub history of London and early parish and licensing records on this site. Most records are before 1944 plus some modern detail, and lots of pictures.
London Street Listings Index in 1921.
Johnson street, 366 Commercial road east to 385A Cable street (E1) (Stepney)
3 Prince Miss Sarah, chandlers shop
4 Bernstein Solomon, ladies tailor
8 to 22 Proudfoot, Willis & Sons, wholesale clothiers
30 Princess Royal, Robert Holland
32 Pam Samuel, chandlers shop
89 Meyo Leopold, picture frame maker
St Marys Church