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Constituency

Welwyn Hatfield

At a glance

Welwyn Hatfield is a UK parliamentary constituency in East of England, currently represented in the House of Commons by Andrew Lewin, a Labour MP. Andrew Lewin has represented the seat since 4 Jul 2024. At the 2024 general election it was fairly safe, won by a majority of 3,799 votes (7.8%), ranking #170 most marginal of 650 seats. Their Commons voting participation while representing this constituency is 89.4 %, compared with a Commons average of 72.7 %. Browse all seats on the UK constituencies index.

Constituency snapshot

Current representation signals for this constituency.

Current MP Andrew Lewin
Photograph of Andrew Lewin MP ID 5061
Current party
Lab Labour
MP since 4 Jul 2024
Current Commons representation
Voting participation 89.4 %
514 of 575 eligible divisions
Region East of England
Electoral region of England, Scotland, Wales or Northern Ireland
Parliament ID 4388
Imported constituency identifier
Recent votes shown 10
Latest divisions listed below

Boundary

Imported constituency boundary for Welwyn Hatfield.

Map

MP voting summary

How Andrew Lewin has voted since becoming MP for this constituency.

Voted in 514 of 575 eligible divisions (89.4 %).

89.4 %

Participation

268

Aye

246

No

1

Against party

Aye / No split Ayes 268 / Noes 246

Recent divisions

Division Vote
Draft Trade Unions (Permissible Means of Voting) and Employment Rights (Unfair Dismissal) (Amendment) Order 2026
Trade Work / Employment
Aye
Draft Code of Practice on Electronic and Workplace Ballots for Statutory Trade Union Ballots
Trade Work / Employment
Aye
Public Office (Accountability) Bill Report Stage: Amendment 19 No
Public Office (Accountability) Bill Report Stage: Amendment 199 No
Public Office (Accountability) Bill Report Stage: Amendment 3 No
Immigration and Asylum Bill: Second Reading
Migration
Aye
Immigration and Asylum Bill: Reasoned Amendment to Second Reading
Migration
No
Draft Children’s Wellbeing and Schools Act 2026 (Establishment of Schools) (Consequential Amendments) Regulations 2026
Education
Aye
Draft Supply of Machinery (Safety) (Amendment etc.) and the EU Machinery Regulation (Enforcement etc. in Northern Ireland) Regulations 2026 Aye
Draft Town and Country Planning (Discharge of Local Planning Authority Functions) (England) Regulations 2026 Aye
View full voting record →

Representation history

Every MP who has represented this seat, with how each voted during their time in office.

Election results

How this seat has voted at general elections and by-elections. All UK election results →

Fairly safe — won by 7.8% in 2024

Majority of 3,799 votes · #170 most marginal of 650 seats.

4 July 2024

64 % turnout · maj 3,799
Andrew Lewin · Labour 19,877 (41%)
Grant Shapps · Conservative 16,078 (33.2%)
Jack Aaron · Reform UK 6,397 (13.2%)
John Munro · Liberal Democrat 3,117 (6.4%)
Sarah Butcher · Green Party 2,986 (6.2%)

More seats in East of England

Other UK parliamentary constituencies in East of England — explore their MPs and voting records.

Basildon and Billericay Mr Richard Holden · Con Bedford Mohammad Yasin · Lab Braintree Sir James Cleverly · Con Brentwood and Ongar Alex Burghart · Con Broadland and Fakenham Jerome Mayhew · Con Broxbourne Lewis Cocking · Con Bury St Edmunds and Stowmarket Dr Peter Prinsley · Lab Cambridge Daniel Zeichner · Lab Castle Point Rebecca Harris · Con Central Suffolk and North Ipswich Patrick Spencer · Con Chelmsford Marie Goldman · LD Clacton Nigel Farage · RUK

Browse all UK constituencies →

Constituency source UK Parliament Members API
Member source UK Parliament member record

FAQs

Who is the MP for Welwyn Hatfield?

Andrew Lewin is the current MP for Welwyn Hatfield. Source

Which party currently holds Welwyn Hatfield?

Welwyn Hatfield is currently represented by Andrew Lewin of Labour. Source

What is the Parliament constituency ID for Welwyn Hatfield?

Welwyn Hatfield's imported Parliament constituency ID is 4388. Source

Where can I find the member profile for Welwyn Hatfield?

The current MP profile for Welwyn Hatfield is linked from this page and records party, roles, interests, election data, and voting record where available. Source

Can the MP for Welwyn Hatfield change?

Yes. Constituency representation can change after a general election, by-election, resignation, recall petition, or other parliamentary change. Re-running the current MP import refreshes this data. Source

Where does Welwyn Hatfield data come from?

Constituency and current MP data is imported from the UK Parliament Members API. Source