Originally posted by shaunbhoy
'74-'96 is only 22 years. In this period the index rose from 20.4 to 110.1 but this was largely due to inflation (an average of about 7.5%). By comparison the price index (http://www.parliament.uk/commons/lib...9/rp99-020.pdf) changed from 100 to 555.2 (which is 20.4 to 113.26). This was a fall in real terms.
Between '74-'99 the nationwide index for northen property changes from 17.4 to 111.9. (7.7% per year). By comparsion the price index (to 98) changes from 17.4 to 103.06.
Over the last 30 years prices have "only" doubled in real terms (although most of that is in the last 10 years).
There is no easily available average data predating '73. Since inflation is a modern phenomeno (total inflation between 1750 and 1938 was only around 300% - 0.6% PA) this is probably the place to look. There were very substantial price falls in the latter half of the 19th century, given the low level of inflation there is a reasonable chance of 25 years with a fall in real terms. Unfortunately it is difficult to find any reference data.
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