An election to the 56th Parliament of the United Kingdom for the constituency area of Midlothian, held as part of the general election on 7 May 2015.
SNP gain from Labour by Owen Thompson with a majority of 9,859 - 20.4% - on a turnout of 71.2%.
Candidates
Under section 13(b) of the Representation of the People Act 1985, a candidate gaining 5% or less of the vote share will forfeit their deposit.
An electorate of 67,875, having a valid vote count of 48,331 and an invalid vote count of 34.
Result declared at 02:50 on 8 May 2015.