Thursday, October 15, 2026
B.C. votes in 9 days

South Cambridgeshire

Westminster constituency · England · East of England

Forecast of October 15, 2026

Our forecast gives the Lib Dems a more than 99% chance of winning, with an average lead of 17.9 points.

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

Projected vote share

Projection by party

  • Lib Dems 41.9%
  • Conservative 24.0%
  • Reform UK 16.0%
  • Green 7.8%
  • Labour 7.8%
  • Other 2.1%

Thin vertical mark: 2024 result.

Compared with the average

Lib Dems Conservative Reform UK Green
South Cambridgeshire 41.9%24.0%16.0%7.8%
National averageUnited Kingdom 10.3%+31.6 20.4%+3.6 23.1%−7.1 10.4%−2.6

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

Local profile

Population106,430
Median age43
Employment rate82.9%

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

Current member

Pippa Heylings · Lib Dems

In office since July 4, 2024. 59th Parliament.

Previous election (2024)

The Lib Dems won by 19.4 points.

Our current projection: the Lib Dems ahead by 17.9 points.

Candidates and votes in 2024

Candidate Party Votes %
Pippa Heylings Elected Lib Dems 25,704 46.8
Chris Carter-Chapman Conservative 15,063 27.4
Luke Viner Labour 6,106 11.1
Harrison Edwards Reform UK 4,897 8.9
Miranda Fyfe Green 2,656 4.8
James Gordon Other 459 0.8

Nearby ridings

Party ahead and how sure the projection is.

Watch list

The tightest races

The smallest projected gaps between the top two.

  1. Birmingham Hall Green and MoseleyLabour50%1.2-point gap
  2. Hertford and StortfordReform UK44%1.4-point gap
  3. Romsey and Southampton NorthConservative54%1.4-point gap
Forecast updated