Riding profile

South West Hertfordshire

UK constituency — England · Mixed · east of england

The question

South West Hertfordshire: who wins this toss-up?

Current forecast

Conservative

Toss-up

Probability
100%
Mean margin (pts)
3.9
P(close race)
100%

Projected vote share

Projection by party

  • Conservative 28.6%
  • Lib Dems 24.8%
  • Reform UK 23.4%
  • Labour 13.0%
  • Green 6.8%
  • Other 3.2%

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

Conservative Lib Dems Reform UK Labour
HereSouth West Hertfordshire 28.6%24.8%23.4%13.0%
National averageUnited Kingdom 19.3% +9.3 11.4% +13.4 25.4% −2.0 21.8% −8.9

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

Editorial read

South West Hertfordshire, a mixed constituency in England, elected a member with the Conservatives in the previous cycle, with a 9-point margin. The Vote-Scope model projects the Conservatives ahead at 29% vote share, against 25% for the Lib Dems, and the race could swing.

Sitting member

Mr Gagan Mohindra

Sits with Conservative

Since
2019-12-12
Parliament
59th

Previous election · 2024

Won by
Conservative
Margin
9.2 pts
Margin shift vs current projection
-5.4 pts

Detailed result · UK 2024

Candidates and votes

Candidate Party Votes % Occupation
Gagan Mohindra Elected Conservative 16,458 34.1
Sally Symington Lib Dems 12,002 24.9
Alex Sufit Labour 9,637 20.0
Keith Steers Reform UK 6,790 14.1
Narinder Sian Green 2,532 5.3
Bernadette O'Malley Other 295 0.6
Victor Silkin Other 232 0.5
Michael McGetrick Other 158 0.3
Ketankumar Pipaliya Other 150 0.3

Demographics

Who lives here

Population
99,463
Median age
42
Employment rate
82.5%

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

Last model run
Cycle
uk_2029