Want to know if anyone voted BNP on your street? Curious to see if your area of London is more Tory than Labour? Or just wondering if you're the only Green voter in your district? Here's the data, in handy graph form so you don't have to think. Includes data from 2008 and 2012.
(enter postcodes in the format 'SW4 9JP' -- London only, obviously)
or
See voting stats for all London regions
and finally
Some interesting sample queries
Which ward had...
Credits
This tool is a hack by by Matt Andrews. I'm a web developer, not a statistician. Don't sue me.
Source data taken from London Elects' Mayoral Election 2008 / 2012 data and Chris Bell's supremely useful UK Postcodes data. Hosted on DO.