Tesla Press release on UK launch, including:
"Superchargers enable long distance travel but also, in a city where off street parking is rare and expensive, Model S customers will be able to access a network of Superchargers across London to charge, quickly and for free, at their convenience," said Elon Musk. "We are looking at locations across the capital to place our first set of inner city Superchargers."
http://finance.yahoo.com/news/hand-drive-model-arrives-uk-190700476.html