Constituency
Hertsmere
At a glance
The MP for Hertsmere is Sir Oliver Dowden (Conservative), who has held the seat since 2015. At the 2024 general election the seat was a Con hold: he took 44.7% of the vote for a majority of 7,992, on a 65.3% turnout. Compared with the 2019 general election, the Conservative share of the vote was down 17.9 points, and turnout fell from 70.6%.
2024 general election result
Majority 7,992 · Turnout 65.3% · Electorate 73,465
| Candidate | Party | Votes | Share |
|---|---|---|---|
| Oliver Dowden | Conservative | 21,451 | 44.7% |
| Josh Tapper | Labour | 13,459 | 28% |
| Darren Selkus | Reform UK | 6,584 | 13.7% |
| Emma Matanle | Liberal Democrat | 3,710 | 7.7% |
| John Humphries | Green Party | 2,267 | 4.7% |
| Ray Bolster | Independent | 536 | 1.1% |
Past election results
Every General Election and by-election in this seat, newest first. Open one for the full candidate list.
| Election | Winner | Result | Majority |
|---|---|---|---|
| 2024 | Oliver Dowden (Con) | Con hold | 7,992 |
| 2019 | Oliver Dowden (Con) | Con hold | 21,313 |
| 2017 | Oliver Dowden (Con) | Con hold | 16,951 |
| 2015 | Oliver Dowden (Con) | Con hold | 18,461 |
| 2010 | James Clappison (Con) | Con hold | 17,605 |
Members for this seat
Everyone who has won the seat at the elections in our records, which begin with the 2010 general election. Members before then are not shown.
| Member | Party | Period |
|---|---|---|
| Sir Oliver Dowden | Conservative | 2015 to present |
| James Clappison | Conservative | 2010 to 2015 |
Source: 2024 general election result from the official Parliament constituency profile.