All of it. Git yourself a London Hidden Walks book from Stanfords on Long Acre, Covent Garden.
Or just wander round Bloomsbury, Soho, Holborn, St Giles, Temple, Fitzrovia, Marylebone, The City, Islington, Highgate, Hampstead, Chelsea, Spitalfields, Chiswick, Wapping, Westminster, Clerkenwell, Bermondsey, Pimlico, Camden, Belgravia, Clapham etc etc