I will be in Europe from May 23 to May 31.
I first arrive in London on May 23 and should be at St. Pancras Int'l via Gatwick at around 9:00 (am). I plan to visit the British Library, British Museum and National Gallery before getting back to St. Pancras to take the Eurostar to Belgium at 17:00 (pm). I'm doing those tours because they are free; I have a 3 day London Pass which will allow me to visit the London sites below, already paid for.
After 4 days in Belgium,on May 27, I will leave Brussels via Eurorail arriving in London at around 10:00 (am). Is it possible to do the following tours, using my London Pass:
May 27: Westminster Abbey (RS tour). Houses of Parliment, Churchhill War Rooms, Banqueting house. I'm estimating no more than 2 hours in each.
May 28: St. Pauls Cathedral (RS tour). The Monument, Tower of London, Tower Bridge, The Shard, and Tate Modern.
May 29: Kensington Palace.
Any advice will be appreciated.