The story
In Greater London, first recorded as La Grenestrete c1290 (a green or grassy hamlet), compare with Middle English grene + strete. The 2nd green (meaning village green) was added by 1819.
Etymology from Wiktionary, CC BY-SA 4.0.
Green Street Green
Today it means: A village in the borough of Bromley, on the outskirts of Greater London, historically in Kent (OS grid ref TQ4563). Full definition →