You find no man, at all intellectual, who is willing to leave London. No, Sir, when a man is tired of London, he is tired of life; for there is in London all that life can afford - Samuel Johnson (1709 - 1784)

London is one of the world's most expensive cities but there is so much you can see and do for free.
This site includes 10 free self-guided walks, a cheap London bus tour and a few other ideas for free things to do and see.

And if you feel like escaping London for the day, there are some suggested out of town day trips.