Riding profile

Horsham

UK constituency — England · Mixed · south east

The question

Horsham: who wins this toss-up?

Editorial read

Horsham, a mixed constituency in England, elected a member with the Lib Dems in the previous cycle, with a 5-point margin. The Vote-Scope model projects the Lib Dems ahead at 32% vote share, against 28% for the Conservatives, and the race could swing.

Sitting member

John Milne

Sits with Lib Dems

Since
2024-07-04
Parliament
59th

Current forecast

Lib Dems

Toss-up

Probability
100%
Mean margin (pts)
3.8
P(close race)
100%

Projected vote share

Projection by party

  • Lib Dems 31.7%
  • Conservative 27.9%
  • Reform UK 21.9%
  • Labour 8.3%
  • Green 8.1%
  • Other 1.9%

In context

How this riding stacks up

Lib Dems Conservative Reform UK Labour
HereHorsham 31.7%27.9%21.9%8.3%
National averageUnited Kingdom 11.6% +20.0 18.9% +9.0 25.3% −3.5 21.7% −13.4

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

Previous election · UK 2024

Won by
Lib Dems
Margin
4.5 pts
Margin shift vs current projection
-0.7 pts

Detailed result · UK 2024

Candidates and votes

Candidate Party Votes % Occupation
John Milne Elected Lib Dems 21,632 39.0
Jeremy Quin Conservative 19,115 34.4
Hugo Miller Reform UK 6,116 11.0
James Field Labour 5,979 10.8
Catherine Ross Green 2,137 3.9
Jim Duggan Other 276 0.5
Paul Abbott Other 244 0.4

Demographics

Who lives here

Population
105,494
Median age
43
Employment rate
82.9%

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

Last model run
Cycle
uk_2029