This is a very one sided debate.
You people make up theories without any evidence, the latest is Tug's overcrowding brings wealth theory, and demand I produce all the figures!
When I knock it down, you just forget it and make up another.
Tug, this article is about density. It cites very recent ONS figures. I can find a direct link if I must.
http://www.telegraph.co.uk/news/newstopics/politics/2967374/England-is-most-crowded-country-in-Europe.html

Tug, there are other factors in the housing crisis, e.g. family breakup, but the main cause is population outstripping provision and immigration provides 70% of our population increase (same article).

Richard, the 2007 ONS projections were based on the most recent figures available. We have just seen that those immigration figures were a serious UNDERESTIMATE, making the projections even worse.
If the recession effect is only temporary like all the previous ones, those projections ARE still valid.