The bottom line is that only 134,000 people - 0.3% of the total population - don't speak English at all. Even in Newham, where well over half the population was born abroad, and the Sun seems to think that people "simply don't want to integrate", fewer than 1 in 10 of the population can't speak English well.
If there's one thing English teachers should read before they go back to work on Monday, it is the Ofsted document entitled 'Moving English Forward'.