Room 1, Graduate School Suite, ULRB, Liverpool University, building 221 (grid ref. F6) on the Campus Map.
Maps of Liverpool and the surrounding area can be found here.
For those who plan to stay overnight, there are many hotels in Liverpool.
Particularly close to the Physics Department are the Hope Street Hotel (5 mins walk), the Feathers Hotel (5 mins), the Liner (15 mins) and the Adelphi (15 mins).