I'm a zone 4-6 dweller of 40+ years and don't recognise this characterisation, I'm afraid. Three years ago Diamond Geezer published a map of all the places in L

I'm a zone 4-6 dweller of 40+ years and don't recognise this characterisation, I'm afraid. Three years ago Diamond Geezer published a map of all the places in London's boroughs which are more than 1 mile (yes, not km, but bear with it) from the nearest station, so you can see the "prisons" here: http://diamondgeezer.blogspot.com/2015/07/over-one-mile.html http://diamondgeezer.blogspot.com/2015/07/over-one-mile.html