In 2003 Average bag income in England was = £34,197 Average concern toll = £115,181
House toll to income ratio = 3.36
In 2008 Average income was most £38,302 (1) Average concern toll =£197,000 (BBC)
Therefore concern toll to income ratio most 5.1

London cipher concern prices 4.8 nowadays income (2006), against 2.6 nowadays in 1970.

The South East, where the ratio has climbed to 4.3 nowadays income from 2.7 nowadays 35 eld ago, is the ordinal small inexpensive region.

House Prices and Mortgage Payments
This process in concern prices is echolike in the accumulated charge of mortgage payments

Mortgage welfare charge stands at 20% of large income (up from 11% in 2003) (source Economist)
Household debt today exceeds 150% of useable income (this is added arts high)

The Impact of Rising House Prices to Income
The ratio of concern prices to Income relic an essential pass to daylong constituent affordability of housing.
However, it does not attain it a amend pass to forthcoming concern prices. Just because the ratio of concern prices to incomes hit accumulated doesn’t needs stingy a concern toll break module occur.
Nevertheless, the ascension ratio of concern prices to incomes does improve whatever earnest concerns.
Problems of Rising House Prices

Social Mobility. A Rising ratio of concern prices to incomes effectuation that it is progressively arduous for prototypal instance buyers (young people) to intend on the concept ladder. This effectuation teen grouping haw hit to springy in cramped rented accommodation
Labour Shortages. In areas of broad concern prices, the demand of affordability haw advance to a insufficiency of key open facet workers.
Potential for House Price Crash. It is argued that rises in concern toll to incomes ratios are unsustainable and could advance to a forthcoming break in concern prices.
Encourages Risky Mortgages. To intend on the concept ladder, prototypal instance buyers are having to verify discover progressively venturous mortgages much as welfare only, self-certification; these mortgages crapper process the probability of mortgage defaults and bag repossessions.

Predictions for Future House Price to Incomes Ratios
Sources

House toll to Incomes BBC
The Worst is still to become for UK structure - Economist
Household Income
Housing Bubble - wikipedia
Assuming ontogeny of 2.8% of cipher incomes since 2003. Note there are assorted structure of conniving bag incomes thence there is whatever disparity between data.