Chalk Farm is an old station with character.
It's also an old station with a few issues. First off, the entrance is quite small with only a few gates and it can be insanely congested at the wrong time. If you're travelling at rush how, be prepared to wait outside in a mob (not so much of a queue as a massive huddle of people) to get through.
And when you do, you now have the fun adventure of...more
Lovely old station recently refurbished but still not fully accessible due to stairs from lift to platform and the ticket hall is quite narrow and regularly gets congested when going through the ticket gates.more