People tend to check in during these times:
Watch out for the mice...
Use the back entrance if you're coming in from embankment. Can shave 5-10 mins off your journey time.
Graham's lecture is very monotous ; grab a cup of coffee!
There are about 6 Pret a Mangers nearby, including 2 on Villiers St & 2 on The Strand...if you're meeting someone in a Pret, make sure you're specific as to which one!
Paul is now open! So eat your heart out - Itsu, Hotel du Chocolat, Leon, Pret, Carluccio's, EAT and loads of others within 10 mins walk.
As spring begins, be sure to get to Victoria Embankment park by 12pm if you want to snag a bench to eat your Eat/Wasabi/Itsu/Pret/Paul lunch on!
Pret opposite good for coffee, for something stronger try the coal hole.
Check out the Penguin reception.