Originally Posted by
psychokilla
At the moment, Euston looks to be the only overground station I'll need, I'll be sticking to the tube for most of my journies.
Which means that if you're travelling east or west to/from Euston rather than north or south, you'll likely be using Euston Square tube station, which is a block or so (5-10 mins walk) from Euston mainline station itself.