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Immigration, Asylum and Nationality Bill

May I make a little progress? The hon. Gentleman may then find that I have answered his question, or at least added more substance and fuel to it. The main problem—certainly the one that brought me to the issue—the main cost, as it were, of large-scale immigration is the pressure of housing and land. The hon. Member for Doncaster, North (Edward Miliband) denied that that was a serious problem, but the Government themselves admitted, in an answer in the other place, that a third of all the households expected to be formed in future, for which housing will be necessary, are the result of net immigration to this country. Obviously, that excludes the figures for illegal immigration; if we made some estimates based on the recently published figures for illegal immigration, the number would probably be nearer 40 per cent. of all households in the United Kingdom. Net legal migration only is running at the rate of two constituencies a year, so two constituencies a year are being created in this country as a result of immigration. By 2031, the Government expect—again, excluding all illegal immigration and assuming a slowdown from the current level of immigration—an extra 5.2 million people net in this country, solely as a result of legal migration. Those are substantial numbers, which play an enormously important part in the housing pressures in southern England, because obviously the figures are suddenly more important. Of course the bulk of migration does not go directly to Hertfordshire, where I come from, or other home counties; it goes primarily to London. But the people who would have occupied the houses that are let, allocated or sold to the newcomers to London, move out to the home counties to get housing—they have to get it from somewhere. They do not leave because they do not like the newcomers—they themselves are Londoners of all ethnicities moving out to us. That is the process: a net inflow of about 150,000 a year, mostly into London; and a corresponding outflow to the home counties, requiring very substantial house building, about which the Government refuse to talk. As my hon. Friend the Member for Orpington (Mr. Horam)—