Search the historical London street directory, and London pub history site including early street addresses in London through the Victorian pub history of London. This search engine is not brilliant, try address searches in the main google search to get better results. Searches on people names do appear to work, I think. Let me know!
Harold Wood was originally part of the Hornchurch parish, certainly from 1878 - see History of Hornchurch
|King Harold, Station Road, Harold Wood||No||Yes|
|Shepherd & Dog, Shepherd's Hill, Harold Wood||Yes||Yes|