[cju]

A great classic: Scotland Yard

http://boardgamegeek.com/boardgame/438/scotland-yard

A more recent board game, also based in London but much earlier : London 1888 Beautiful board. Rules are relatively complex if I recall correctly.

http://boardgamegeek.com/boardgame/19991/london-1888

[eimieimi]

Nice! I like the ones that have this London local theme. Thanks for the good pointers.