An election to the 57th Parliament of the United Kingdom for the constituency area of Hertsmere, held as part of the general election on 8 June 2017.
Conservative hold by Oliver Dowden with a majority of 16,951 - 32.4% - on a turnout of 71.0%.
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 73,561, having a valid vote count of 52,253 and an invalid vote count of 136.
Result declared at 01:46 on 9 June 2017.