Monday, November 2, 2026
U.S. midterms in 1 day

Chesham and Amersham

Westminster constituency · England · South East

Forecast of November 2, 2026

Our forecast gives the Lib Dems a more than 99% chance of winning, with an average lead of 9.3 points.

Safe seat. Chance of a final gap under 5 points: 1%.

Projected vote share

Projection by party

  • Lib Dems 40.1%
  • Conservative 30.7%
  • Reform UK 16.3%
  • Green 5.6%
  • Labour 4.5%
  • Other 2.5%

Thin vertical mark: 2024 result.

Compared with the average

Lib Dems Conservative Reform UK Green
Chesham and Amersham 40.1%30.7%16.3%5.6%
National averageUnited Kingdom 9.9%+30.2 20.0%+10.7 22.3%−6.0 9.7%−4.0

Simple average of the 650 ridings, not weighted by population.

Local profile

Population99,904
Median age44
Employment rate78.5%

Source: Office for National Statistics: mid-2022 population, January 2026 labour market

Current member

Sarah Green · Lib Dems

In office since June 17, 2021. 59th Parliament.

Previous election (2024)

The Lib Dems won by 10.0 points.

Our current projection: the Lib Dems ahead by 9.3 points.

Candidates and votes in 2024

Candidate Party Votes %
Sarah Green Elected Lib Dems 24,422 44.9
Gareth Williams Conservative 18,971 34.8
Laurence Jarvis Reform UK 5,310 9.8
Chris Chilton Labour 3,502 6.4
Justine Fulford Green 1,673 3.1
Muhammad Khan Other 466 0.9
Julian Foster Other 111 0.2

Nearby ridings

Party ahead and how sure the projection is.

Watch list

The tightest races

The smallest projected gaps between the top two.

  1. Inverness, Skye and West Ross-shireSNP76%1.2-point gap
  2. Bury St Edmunds and StowmarketReform UK46%1.4-point gap
  3. Romsey and Southampton NorthConservative63%1.4-point gap
Forecast updated