Tom Anderson wrote:

The closest equivalent is probably Finsbury Park. In terms of distance,
that's more like Willesden Junction, but i think it gets more trains
stopping there than that.


Finsbury Park is closer to Harrow & Wealdstone in terms of service
pattern. All FCC local services stop here, most but not all FCC long
distance services stop there, and no GNER services stop here (except
the weekend after next, when all GNER services will terminate
there...).

Stevenage is the ECML's closest equivalent to Watford in service terms,
but it's much further away from London.

--
John Band
john at johnband dot org
www.johnband.org