Yeah that's exactly it! From a symbolic perspective it's quite odd to see how development can dwarf the spirituality and religious side of life. I'm sure some religious folk out there have some deeper thoughts on this subject.
Something along the lines of our lives being too chaotic to the point where God is reduced to a small plot of land or something similar.
I do think there are a few areas around London like this now, but mostly in the really central areas, rather than the more residential ones.