I would like to make a little progress first; I will give way in a moment. The Mayor of London, my hon. Friend Boris Johnson, has brought forward 94,000 affordable units during his mayoralty —a considerably larger number than was brought forward by his predecessor, Mr Livingstone. We have a good track record on affordable housing, but more clearly needs to be done.

On foreigners buying property in London, there are two elements: who is buying it, and are they occupying it? On foreigners buying it, the phenomenon tends to be concentrated in prime central London places, such as Kensington and Chelsea—