According to an article in tomorrow’s Nature magazine, new evidence suggests humans visited Britain even earlier than previously thought – as much as almost a million years ago. The full article is in Nature Magazine downloadable here:-
http://flmsdown.net/magazines/364598-nature-magazine-8-july-2010.html .
Investigations by the team working at Happisborough on the Norfolk coast have shown that the early palaeolithic implements discovered there are between 800,000 and 1,000,000 years old, making it one of the oldest sites of human occupation in Europe.
The Museum of The Stone Age 