Nationwide house price index

James Mackintosh

FT Alphaville today has a nice chart suggesting London house prices are down by more than a quarter in real terms.

Here’s an alternative thought: the quality of measurement of London house prices has collapsed. This chart shows London house prices after inflation as measured by LSL/Acadametrics, the Office for National Statistics, Nationwide, and the Halifax index Alphaville used. I used CPI, rather than the discredited RPI, for most of them, but showed the effects of both RPI and CPI for the Acadametrics series.

London housing indices

Halifax down at the bottom there is clearly out of line with the rest, although Nationwide’s index still shows a hefty real terms loss, of 9 per cent. Read more