Constituency
Great Grimsby and Cleethorpes
At a glance
The MP for Great Grimsby and Cleethorpes is Melanie Onn (Labour), who has held the seat since 2024. At the 2024 general election the seat was a Lab gain from Con: she took 41.9% of the vote for a majority of 4,803, on a 48.1% turnout. The seat was first contested on its current boundaries at the 2024 general election, so there are no earlier results in our data.
2024 general election result
Majority 4,803 · Turnout 48.1% · Electorate 76,157
| Candidate | Party | Votes | Share |
|---|---|---|---|
| Melanie Onn | Labour | 15,336 | 41.9% |
| Oliver Freeston | Reform UK | 10,533 | 28.8% |
| Lia Nici | Conservative | 8,269 | 22.6% |
| Ed Fraser | Green Party | 1,115 | 3% |
| John Lawson | Liberal Democrat | 1,036 | 2.8% |
| Mark Gee | Trade Unionist and Socialist Coalition | 222 | 0.6% |
| Christopher Stephenson | Social Democratic Party | 108 | 0.3% |
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 | Melanie Onn (Lab) | Lab gain from Con | 4,803 |
Source: 2024 general election result from the official Parliament constituency profile.