Value of the Pound

[waspur]

Anyone know where I can find the buying power of the pound or the average wage for past decades?

[zumiweb]

Here's a starting point:

http://www.crowsnest.co.uk/north/rpi.htm
or
http://www.measuringworth.com/ukcompare

Both provide calculators or tables of %indices. You might need a degree in statistics to make sense of it though...