I have no idea where this comes from, but it is incorrect.
Lets take as an example a company that operates in London and the South East, including within this borough, Berkeley Homes, and use their 2014 accounts to illustrate how incorrect his belief is.
According to these accounts, in 2014, they sold 3,742 dwellings, at an average price per dwelling of £423,000. Read the accounts and you fill find that the average plot cost at April 2014 was £72,000, up from £62,000 in 2013. So the plot cost averaged 17% of the average selling price. Less than one fifth of the cost of the homes they sold in the financial year to April 2014.
So land is two thirds of the cost of a house as Mr Bridger puts forward? No not even close.
Pre-tax profit for the year was £380 million, equivalent to an average profit per dwelling sold of £101,550. In other words profits were substantially more than plot prices. If you do the maths you will find that the average pre-tax margin was 31.6% on the total cost of the average dwelling. A very profitable business.
As for the housing crisis – consider this. This is a crisis created by various government policies. This is complex, but policies which contribute to the crisis include immigration, an open housing market, housing benefit, tax credits, taxation, amongst others.
Now think about just a few of these.
Migration Watch have estimated that about 40% of demand for housing comes from net immigration into the UK, much of which is into London and the South East. Another estimate which considers the impact of children of new immigrants indicates that 60% of housing demand comes from recently arrived migrants.
Any government could change the open door policy to one of controlled immigration, inside or outside of the EU.
Then there is the policy of allowing overseas buyers free access to the UK housing market (and to land – green belt plots are for sale overseas).
Our example, Berkeley Homes, have sales offices overseas. Many overseas buyers leave their property empty – buy to leave. Again, this is a policy that could be changed, for example, to the Australian approach which severely limits overseas buyers and does not tolerate buy to leave.
And beyond government policies – market forces may decide that British economic prospects are poor, resulting in the pound weakening appreciably, which would lead to many overseas buyers trying to sell, to get their money out. This would collapse the housing market in London and would spread to the South East, so in this entirely plausible scenario we would have an entirely different housing crisis, similar to that experienced in Spain and Ireland.
Then consider buy to let – in this financial year more than £10 billion will be paid in housing benefits to private landlords. Any government can change this, and make buy to let much less attractive, for example, by ending tax deduction on mortgage interest.
I could go on, but in the interests in brevity, will not do so. Embarking on a huge house building programme, as advocated by Gordon Bridger and many others, is a policy fraught with danger, especially when the proponents of the policy have little or no idea of why there is a housing crisis, or even of the real costs of providing housing.