Riding profile

Horsham

UK constituency — England · Mixed · south east

The question

Horsham: a safe seat for the Lib Dems?

Current forecast

Lib Dems

Safe

Probability
100%
Mean margin (pts)
8.5
P(close race)
0%

Projected vote share

Projection by party

  • Lib Dems 35.6%
  • Conservative 27.1%
  • Reform UK 21.7%
  • Green 7.1%
  • Labour 6.0%
  • Other 2.3%

Watch list

The tightest races

Smallest projected margin. Open one for the numbers.

  1. Birmingham ErdingtonReform UK60 %0.5 pt margin
  2. Derby NorthLabour62 %0.5 pt margin
  3. Middlesbrough and Thornaby EastReform UK62 %0.5 pt margin

In context

How this riding stacks up

Lib Dems Conservative Reform UK Green
HereHorsham 35.6%27.1%21.7%7.1%
National averageUnited Kingdom 11.4% +24.2 19.3% +7.8 25.4% −3.6 10.8% −3.7

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

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 36% vote share, against 27% for the Conservatives, and the probability of a close race is negligible.

Sitting member

John Milne

Sits with Lib Dems

Since
2024-07-04
Parliament
59th

Previous election · 2024

Won by
Lib Dems
Margin
4.5 pts
Margin shift vs current projection
+3.9 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