Bahnhof Strasse
Let's av ya fuckin' dancin'!
Ah. I assumed when you mentioned Charing Cross you were going through London Bridge. I did say that the south-east is a particular problem, buth to cross over with another thread it's not one you can just put down to profiteering TOCs and the rest. To a great extent it's a facet of a much bigger problem, namely the UK's lopsided economy which concentrates far too much economic activity and thus far too many people in the south east, which in turn puts far too much pressure on the transport links in that part of the country.
Charring Cross (well, just behind it) is where all distances from London are measured

Of course the South East is a busy area, it's been this way for donks. The railways have been in private hands long enough for TOCs to come up with something to relieve the pressure, but they haven't, they're too busy counting their piles of cash.
FWIW I used to commute to school on Network Southeast, slam door trains. I know it never rained etc. but I genuinely cannot remember a train ever breaking down and I certainly wasn't regularly delayed, as 10 minutes or later in to school was an automatic detention, and I didn't get that many detentions. Something's changed and for the worse.