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Welwyn Hatfield

Constituency

The south west of the East of England. About 116,883 people in 108 square kilometres.

MP for Welwyn Hatfield

Andrew LewinLabourMP since

They won by 3,799 votes on a 64.4% turnout.

As of , from the UK Parliament Members API. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.

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Radon Affected Area by constituency

Worked out by Open Index · 2022

Under 1%90% or more

About 53% of people in Welwyn Hatfield live in a 1 km square that the radon atlas marks as a radon Affected Area.

Majority, 2024 general election
7.8%
Joint 169th smallest majority of 650
House of Commons Library · Jul 2024
Turnout, 2024 general election
64.4%
Joint 185th highest turnout of 650
House of Commons Library · Jul 2024
Population
113,740
96th most populated of 650
ONS Census 2021 · 2021
People in radon Affected Area squares
53%
UK 44%
Worked out by Open Index

2024 general election result

Candidates in Welwyn Hatfield at the general election on 4 July 2024, in finishing order
CandidatePartyVotesShare
Andrew LewinElectedLabour19,87741.0%
Grant ShappsConservative16,07833.2%
Jack AaronReform UK6,39713.2%
John MunroLiberal Democrat3,1176.4%
Sarah ButcherGreen Party2,9866.2%
Electorate
75,259
Turnout
64.4%
Majority
3,799 (7.8%)
Valid votes
48,455
Rejected ballots
192

Polling day . Shares are of valid votes; turnout is valid votes as a share of the electorate. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: House of Commons Library, UK Parliament election results. The result from the House of Commons Library

How Welwyn Hatfield compares

Each dot is a constituency. The black line marks the middle one.

Welwyn HatfieldMiddle
Majority, 2024 general election650 constituencies, UK · Jul 2024
Majority, 2024 general election: every constituency in UK650 areas from 0.0% to 60.6%. The middle area is 14.1%. Welwyn Hatfield is 7.8%.
7.8%joint 169th smallest majority
Turnout, 2024 general election650 constituencies, UK · Jul 2024
Turnout, 2024 general election: every constituency in UK650 areas from 40.0% to 75.2%. The middle area is 60.0%. Welwyn Hatfield is 64.4%.
64.4%joint 185th highest turnout
Population650 constituencies, UK · 2021
Population: every constituency in UK650 areas from 26,159 to 151,876. The middle area is 100,988. Welwyn Hatfield is 113,740.
113,74096th most populated
People in radon Affected Area squares650 constituencies, UK · 2022
People in radon Affected Area squares: every constituency in UK650 areas from 0.0% to 100.0%. The middle area is 39.0%. Welwyn Hatfield is 53.0%.
53%joint 280th most people in radon Affected Areas

Every constituency ranked: population and people in radon affected area squares.

What is the population of Welwyn Hatfield?

Welwyn Hatfield had 113,740 usual residents at the census.

Welwyn Hatfield is the 96th most populated of 650 in the UK.

Figures for the whole of Welwyn Hatfield

Most of Welwyn Hatfield lies in Welwyn Hatfield. These figures are published for the whole of Welwyn Hatfield, not for constituencies, so they describe the council and not Welwyn Hatfield itself. See Welwyn Hatfield

Average house price
£448,681
Up 3.0% in a year
HM Land Registry · Jul 2026
Median full-time pay
£45,145
48th highest paid of 348
ONS earnings survey · 2025
House price to pay
9.9×
Joint 56th least affordable of 348
Worked out by Open Index
Deprivation score
13.9
Joint 77th least deprived of 296
MHCLG · England only
Welwyn Hatfield in brief

The winner in Welwyn Hatfield had a majority of 7.8% of valid votes at the general election on 4 July 2024.

Turnout in Welwyn Hatfield at the general election on 4 July 2024 was 64.4%.

Welwyn Hatfield had 113,740 usual residents at the census.

About 53% of people in Welwyn Hatfield live in a 1 km square that the radon atlas marks as a radon Affected Area.