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.
Paragon Road, Hackney E9, 238 Mare Street
Parochial Infant School
36 Watts Francis Leonard, furniture remover
40 Lord Stanley, Thomas Landon
... here is Frampton Park Road ...
60 Wetherly Fredk John, outfitter
... here is Chatham Place ...
... here is Valetta Street ...
15 Cohen Wolfe, greengrocer
Brethren Mission Hall
29 Staples John, plumber
... here is Trelawney Road ...
43 Warren Victor Cecil, ladies outfitter
47 Long George William, builder
... here is Stockmar Road ...
57 Cobb Alfred John Wm, confectioner
59 Cossey Henry Wm, boot repairer
61 Pryor Wm Ernest, hairdresser
67 Appleby Alfred John, beer can maker
79 Caplen Mrs Frances, boot closer