Riding profile

Calder Valley

UK constituency — England · Mixed · yorkshire and the humber

The question

Calder Valley: who wins this toss-up?

Editorial read

Calder Valley, a mixed constituency in England, elected a member with Labour in the previous cycle, with a 18-point margin. The Vote-Scope model projects Reform UK ahead at 29% vote share, against 28% for Labour, and the race could swing.

Sitting member

Josh Fenton-Glynn

Sits with Labour

Since
2024-07-04
Parliament
59th

Current forecast

Reform UK

Toss-up

Probability
100%
Mean margin (pts)
2.3
P(close race)
100%

Projected vote share

Projection by party

  • Reform UK 28.6%
  • Labour 27.8%
  • Conservative 21.9%
  • Green 12.6%
  • Lib Dems 6.0%
  • Other 2.7%

In context

How this riding stacks up

Reform UK Labour Conservative Green
HereCalder Valley 28.6%27.8%21.9%12.6%
National averageUnited Kingdom 25.3% +3.3 21.7% +6.2 18.9% +3.0 11.8% +0.8

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

Previous election · UK 2024

Won by
Labour
Margin
18.1 pts
Margin shift vs current projection
-15.8 pts

Detailed result · UK 2024

Candidates and votes

Candidate Party Votes % Occupation
Josh Fenton-Glynn Elected Labour 22,046 44.4
Vanessa Lee Conservative 13,055 26.3
Donald Walmsley Reform UK 7,644 15.4
Kieran Turner Green 3,701 7.5
Donal O'Hanlon Lib Dems 2,587 5.2
James Vasey Other 404 0.8
Jim McNeill Other 171 0.3

Demographics

Who lives here

Population
98,777
Median age
46
Employment rate
75.4%

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

Last model run
Cycle
uk_2029