Constituency

Hayes and Harlington

At a glance

Hayes and Harlington is currently represented by John McDonnell, a Labour MP. They have represented the constituency since 1 May 1997. Their voting participation while representing this constituency is 79.0 %, compared with a Commons average of 72.7 %. The imported Parliament constituency ID is 4091.

Constituency snapshot

Current representation signals for this constituency.

Current MP John McDonnell
Photograph of John McDonnell MP ID 178
Current party
Lab Labour
MP since 1 May 1997
Current Commons representation
Voting participation 79.0 %
1,856 of 2,349 eligible divisions
Parliament ID 4091
Imported constituency identifier
Recent votes shown 10
Latest divisions listed below

Boundary

Imported constituency boundary for Hayes and Harlington.

Map

MP voting summary

How John McDonnell has voted since becoming MP for this constituency.

Voted in 1,856 of 2,349 eligible divisions (79.0 %).

79.0 %

Participation

1,012

Aye

844

No

22

Against party

Aye / No split Ayes 1,012 / Noes 844

Recent divisions

Division Vote
Taxation (Energy and Vehicles) Bill Committee: New Clause 5
Energy Tax Transport
No
Taxation (Energy and Vehicles) Bill Committee: New Clause 4
Energy Tax Transport
No
Taxation (Energy and Vehicles) Bill Committee: New Clause 2
Energy Tax Transport
No
Employment Tribunal (Extension of Time Limits) (Miscellaneous Amendments and Transitional Provisions) Regulations 2026 Aye
Employment Tribunals Extension of Jurisdiction (England and Wales) (Amendment) Order 2026 Aye
Draft Climate Change Act 2008 (Credit Limit) Order 2026
Environment / Climate
Aye
Draft Climate Change Act 2008 (International Aviation and International Shipping) Regulations 2026
Environment / Climate Transport
Aye
Draft Carbon Budget Order 2026
Environment / Climate
Aye
Customs (Tariff and Miscellaneous Amendments) (No. 4) Regulations 2026
Trade
Aye
Opposition Day: Puberty blockers No
View full voting record →

Election results

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

Safe seat — won by 31.4% in 2024

Majority of 12,031 votes · #567 most marginal of 650 seats.

4 July 2024

51 % turnout · maj 12,031
John McDonnell · Labour 20,405 (53.3%)
Dylan Thomas · Conservative 8,374 (21.9%)
Francoise Thompson · Reform UK 4,114 (10.7%)
Christine West · Green Party 2,131 (5.6%)
Rizwana Karim · Workers Party of Britain 1,975 (5.2%)
Alexander Cunliffe · Liberal Democrat 1,316 (3.4%)
Constituency source UK Parliament Members API
Member source UK Parliament member record

FAQs

Who is the MP for Hayes and Harlington?

John McDonnell is the current MP for Hayes and Harlington. Source

Which party currently holds Hayes and Harlington?

Hayes and Harlington is currently represented by John McDonnell of Labour. Source

What is the Parliament constituency ID for Hayes and Harlington?

Hayes and Harlington's imported Parliament constituency ID is 4091. Source

Where can I find the member profile for Hayes and Harlington?

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

Can the MP for Hayes and Harlington 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 Hayes and Harlington data come from?

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