On 17/12/2010 18:47, WereSpielChequers wrote: > I've worked with commercial suppliers of this sort of data, but don't > know how much is available as freeware. > > Council wards vary greatly in population, the boundary commission > seeks to standardise them within individual authorities, but not > nationally. Parliamentary constituencies are much more harmonised, > though with anomalies especially where Islands are concerned. > > There are about a 100 Postcode areas - the leading alphabetic bit. But > they vary radically in population size - BT has three times the > average and two of the Scottish islands are titchy - I think less than > a tenth of average size. > > Outward Postcodes (the first half of the Postcode) also vary widely in > number of households. > > Postal Sectors (the first half of the Postcode and the number at the > beginning of the second half) are my favourite, the residential ones > usually have around 2,000 households > The interesting thing (if you could call it that) about this problem is that everyone I mention it to has a different take. It's the opposite of there being a solution known to everyone in the trade: suggestions are disparate. Which is not so good if all that is required is one solution fit for the basic purpose ...
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