Riding profile

Welwyn Hatfield

UK constituency — England · Mixed · east of england

The question

Welwyn Hatfield: who wins this toss-up?

Current forecast

Conservative

Toss-up

Probability
100%
Mean margin (pts)
1.1
P(close race)
100%

Projected vote share

Projection by party

  • Conservative 27.3%
  • Reform UK 26.2%
  • Labour 24.6%
  • Green 11.2%
  • Lib Dems 9.1%
  • Other 1.2%

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 Reform UK Labour Green
HereWelwyn Hatfield 27.3%26.2%24.6%11.2%
National averageUnited Kingdom 19.3% +8.0 25.4% +0.8 21.8% +2.8 10.8% +0.4

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

Editorial read

Welwyn Hatfield, a mixed constituency in England, elected a member with Labour in the previous cycle, with a 8-point margin. The Vote-Scope model projects the Conservatives ahead at 27% vote share, against 26% for Reform UK, and the race could swing.

Sitting member

Andrew Lewin

Sits with Labour

Since
2024-07-04
Parliament
59th

Previous election · 2024

Won by
Labour
Margin
7.8 pts
Margin shift vs current projection
-6.7 pts

Detailed result · UK 2024

Candidates and votes

Candidate Party Votes % Occupation
Andrew Lewin Elected Labour 19,877 41.0
Grant Shapps Conservative 16,078 33.2
Jack Aaron Reform UK 6,397 13.2
John Munro Lib Dems 3,117 6.4
Sarah Butcher Green 2,986 6.2

Demographics

Who lives here

Population
114,181
Median age
37
Employment rate
81.0%

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

Last model run
Cycle
uk_2029