Riding profile

Great Grimsby and Cleethorpes

UK constituency — England · Urban · yorkshire and the humber

The question

Great Grimsby and Cleethorpes: will Labour lose this seat to Reform UK?

Editorial read

Great Grimsby and Cleethorpes, an urban constituency in England, elected a member with Labour in the previous cycle, with a 13-point margin. The Vote-Scope model projects Reform UK ahead at 43% vote share, against 24% for Labour, and the probability of a close race is negligible.

Sitting member

Melanie Onn

Sits with Labour

Since
2024-07-04
Parliament
59th

Current forecast

Reform UK

Safe

Probability
100%
Mean margin (pts)
21.0
P(close race)
0%

Projected vote share

Projection by party

  • Reform UK 42.9%
  • Labour 23.6%
  • Conservative 18.6%
  • Green 6.4%
  • Lib Dems 5.2%
  • Other 3.0%

In context

How this riding stacks up

Reform UK Labour Conservative Green
HereGreat Grimsby and Cleethorpes 42.9%23.6%18.6%6.4%
National averageUnited Kingdom 25.3% +17.6 21.7% +1.9 18.9% −0.3 11.8% −5.4

Nationwide averages computed across the 650 riding-level projections (unweighted mean).

Previous election · UK 2024

Won by
Labour
Margin
13.1 pts
Margin shift vs current projection
+7.9 pts

Detailed result · UK 2024

Candidates and votes

Candidate Party Votes % Occupation
Melanie Onn Elected Labour 15,336 41.9
Oliver Freeston Reform UK 10,533 28.8
Lia Nici Conservative 8,269 22.6
Ed Fraser Green 1,115 3.0
John Lawson Lib Dems 1,036 2.8
Mark Gee Other 222 0.6
Christopher Stephenson Other 108 0.3

Demographics

Who lives here

Population
107,406
Median age
40
Employment rate
68.4%

Data source : ONS mid-2022 population + Jan 2026 labour market

Last model run
Cycle
uk_2029