Number 10 refers to 10 Downing St, the Prime Minister's residence. It's a fairly unassuming place on the outside. The first page of a google image search for "10 Downing St" provides a few different views. The chancellor of the Exchequer lives at number 11.Quiet Stranger said:What's so bad about this David Cameron guy and what the hell is "Number 10"??
As for what's bad about David Cameron... well, he's a conservative which puts him in the same club as the folk who closed down all the mines and heavy industries in Scotland and northern England and didn't seek to replace them with anything, leading to breathtaking levels of unemployment among the lower-paid. His party tend to favour skimping on public services while helping out wealthy citizens and private companies, although the latter tended to have a wee bit too much power over the Labour government too. On a personal level, Cameron's image is so carefully airbrushed and media-managed that I wouldn't be that surprised to find out he's not a real person and is actually an elaborate set of cardboard cut-outs.
-Nick