Riding profile

Barnsley South

UK constituency — England · Mixed · yorkshire and the humber

The question

Barnsley South: will Labour lose this seat to Reform UK?

Editorial read

Barnsley South, a mixed constituency in England, elected a member with Labour in the previous cycle, with a 14-point margin. The Vote-Scope model projects Reform UK ahead at 47% vote share, against 26% for Labour, and the probability of a close race is negligible.

Sitting member

Stephanie Peacock

Sits with Labour

Since
2017-06-08
Parliament
59th

Current forecast

Reform UK

Safe

Probability
100%
Mean margin (pts)
23.3
P(close race)
0%

Projected vote share

Projection by party

  • Reform UK 46.9%
  • Labour 25.6%
  • Green 9.8%
  • Conservative 6.6%
  • Lib Dems 6.2%
  • Other 4.7%

In context

How this riding stacks up

Reform UK Labour Green Conservative
HereBarnsley South 46.9%25.6%9.8%6.6%
National averageUnited Kingdom 25.3% +21.5 21.7% +4.0 11.8% −2.0 18.9% −12.3

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

Previous election · UK 2024

Won by
Labour
Margin
13.5 pts
Margin shift vs current projection
+9.7 pts

Detailed result · UK 2024

Candidates and votes

Candidate Party Votes % Occupation
Stephanie Peacock Elected Labour 16,399 46.7
David White Reform UK 11,651 33.2
Suzanne Pearson Conservative 3,247 9.3
Trevor Mayne Green 1,521 4.3
Simon Clement-Jones Lib Dems 1,172 3.3
Simon Biltcliffe Other 716 2.0
Terry Robinson Other 227 0.7
Maxine Spencer Other 149 0.4

Demographics

Who lives here

Population
105,571
Median age
40
Employment rate
72.5%

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

Last model run
Cycle
uk_2029