Later this year I’m travelling from Heathrow airport. It’s a long distance from where I live, so I’ll be arriving by train (Kings Cross) the day before. I’m bringing my two (primary aged) children and I’ll be the only adult. Ideally I’d like to visit Big Ben, Tower of London and/or natural history museum. I’ve found a premier inn near the airport so then need to get there for the overnight stay.
Basically I need to know, is any of this possible? I don’t know London at all, so no clue about transport etc. I just need someone who knows London to tell me if I’m trying to attain the impossible? Thanks!