John B wrote:

No. If all the parts of London inaccessible by Oyster PAYG were wiped
off the map tomorrow, it'd be no great loss.

(trying, and struggling, to think of anything in London worth visiting
that isn't PAYG-able. Is Hampton Court technically in London or
Surrey? I suppose Blackheath is quite nice.)

Trolling aside (which is hardly your style) - Dulwich Picture Gallery.
Down House.


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Current nearest station: Bicester Town