The bumbling idiots in their government are likely bought off by the REIC-UK, just like the US's corrupt leaders were bought off by the NAR and NAHB to look the other way.
You'll love this Panorama video - they do great in-depth investigative reporting, better than anything in the US. This week's episode:
Bursting the House Price Bubble
Panorama exposes a sharp practice in the housing market keeping house prices artificially high and plunging some homeowners into negative equity.