This one stemmed from a discussion earlier today with
@AndyC and
@iainbhx about some polling data for the London local elections and what it said about current trends among Labour and the Conservatives' shifting appeal, with the data split both by ethnicity (white vs all BAME/other) and social class (ABC1 / C2DE).
I realised we don't actually have a map for ethnicity by Westminster constituency analogous to the ones
@Reagent has done for America, so I looked around and found that the 2011 census data by constituency is available - which is good - in a really stupid format not an easily editable spreadsheet - which is bad. I haven't yet found the class data by constituency, but if it exists I will map that as well.
Note that as this is census data, it reflects the whole population not just the electorate (and, of course, is now 7 years out of date...)