london bridge train station is pretty much fucked this year so trains to greenwich might be an issue, definitely check in advance.
if it is fucked the thames clipper service is a good backup that most people dont think to use. takes a bit longer but you'll get a seat and they have working toilets on board.
also the DLR gives you easy access from east london which might expand the list of places you can stay.
london bridge train station is pretty much fucked this year so trains to greenwich might be an issue, definitely check in advance.
if it is fucked the thames clipper service is a good backup that most people dont think to use. takes a bit longer but you'll get a seat and they have working toilets on board.
also the DLR gives you easy access from east london which might expand the list of places you can stay.