'Nice' way to avoid Lewisham on a commute...?

...have picked up the commuting again, now from Dartford into Westminster - majority of it is fine but am starting to wonder if there's a better way of going that doesn't involve Lewisham and it's revised junction(s).
Current route is pretty much a straight line from Dartford via Bexley, Eltham, Lewisham, Peckham, Camberwell, Kennington, Vauxhall and into Westminster - it's that bit between Eltham and Peckham that's the busiest and feels the most dangerous of the route.
Anyone got any good route recommendations as to a way round it/avoiding it?
Current route is pretty much a straight line from Dartford via Bexley, Eltham, Lewisham, Peckham, Camberwell, Kennington, Vauxhall and into Westminster - it's that bit between Eltham and Peckham that's the busiest and feels the most dangerous of the route.
Anyone got any good route recommendations as to a way round it/avoiding it?
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Also I don't do it often but Brockley to QRP on Drakefell isn't bad?
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