As for recognition, why not just have everyone pin a bit of paper saying "HLP" to their shirt? It'll look a bit goofy for a few minutes before everyone gets there and we take them off, but I can deal with that 
I'll clothes pin it to the back of my Cap

Found the name of the place: It's called 'Exomod Coffee' and it's right on the corner (next to the newsagent and the entrance is right next to the lights)
Okay cool, I should be able to recognise that
Sounds Good
I'll pm number around as well, but my ****ty, ****ty battery prevents me from turning my phone on for more than an hour in total before having to charge it again (I'm working on it)