You see in this country we don't vote for parties, we vote for people, who may or may not belong to a party, and they, in turn, sort out the government and prime minister amongst themselvesThis is how many votes it took, on average, to elect an MP: SNP 25,972 CON 34,244 LAB 40,290 LD 301,986 GRN 1,157,613 UKIP 3,881,129— amol rajan (@amolrajan) May 8, 2015
A quick look at the appropriate results page clearly shows that on average approximately* how many votes each winning candidate received:
Of course, this is just semantics, but its easy enough to faff about with numbers.
For example, the various candidates didn't actually need that many votes to win their constituency, all they needed were more votes than the next best candidate, which gives the following approximate numbers:
* I didn't mong all the numbers for all the seats, so this is just a representative sample for CONS, LAB and SNP