James Parton: Don't catch a taxi from the St Pancras rank at peak time. You will spend £5 before you even make the first set of traffic lights. Go to Kings Cross. 2 minutes walk.
RailHelp.co.uk: Looking for the toilet? You'll find them in the following places:- Opposite Eurostar arrivals- The Circle- International departure lounge- Platforms A and B (beyond ticket barrier)