so some of those in the capital will move out, however supposing they have a reasonably good job in the capital, but not quite enough to actually make ends meet here, high rents as we know, they are unlikely to get an equivalent job outside, wages wise, so they commute in.
as we know rail fares are high, so caught between the devil and the deep blue sea. And who gets their property they have had to vacate because it was too big? Anyone who has a large family... as councils have a duty to house families first, at least that is what we were told. Many do live in the real world, it's just that it's fast becoming a place that no one but the very wealthy can afford.