MP for Hayes and Harlington
“A long-serving Labour MP who mostly backs his party but has shown occasional rebellion on education and justice measures.”
John McDonnell is Labour (Co-op) MP for Hayes and Harlington, first elected in 1997. He has served as Shadow Chancellor of the Exchequer (2015–2020) and has sat on several parliamentary committees, including the Public Administration and Constitutional Affairs Committee (2021–2024). His career has focused on public spending, constitutional affairs and social policy.
McDonnell demonstrates very high party loyalty (98%) and good attendance (75%), with 30 rebel votes. He sits on the centre-left of the spectrum (42/100). On key issues, his votes are mixed: he has supported NHS funding and bus services regulation, while generally opposing tighter immigration controls, the asylum system, and the Rwanda deportation scheme, with a mixed stance on VAT and Trade union powers and opposition to some transgender rights.
Declares four entries of financial interests, including donations and other support (including loans) related to his work as an MP.
Generated 21 February 2026
How this MP participates in parliamentary votes. These numbers describe activity, not effectiveness.
How often this MP votes
Labour (Co-op) average: 33%
The percentage of parliamentary votes (divisions) this MP participated in. MPs may miss votes for legitimate reasons including ministerial duties, constituency work, or illness.
How often this MP votes with their party
Labour (Co-op) average: 99%
Estimated from voting record, not self-declared. This is a simplified model — real politics is more complex than a single axis.
6 positions
Neonatal Care (Leave and Pay) Bill
Jul 2022 - Sept 2022
Higher Education (Freedom of Speech) Bill
Sept 2021 - Sept 2021
Public Administration and Constitutional Affairs Committee
Feb 2021 - May 2024
Shadow Chancellor of the Exchequer
Sept 2015 - Apr 2020
Justice Committee
Nov 2013 - Mar 2015
Regulatory Reform
Jul 2001 - Apr 2002
Figures include only interests with declared monetary values from the Register of Members' Financial Interests. Some categories (e.g. hospitality, overseas visits) may not have monetary values recorded, so the total may not reflect all declared interests.
Victims and Courts Bill: motion to disagree with Lords Amendment 6
AYEVictims and Courts Bill
Victims and Courts Bill: motion to disagree with Lords Amendment 5
AYEVictims and Courts Bill
Victims and Courts Bill: motion to disagree with Lords Amendment 4
AYEVictims and Courts Bill
Victims and Courts Bill: motion to disagree with Lords Amendment 3
AYEVictims and Courts Bill
Victims and Courts Bill: motion to disagree with Lords Amendment 2
AYEVictims and Courts Bill
Victims and Courts Bill: motion to disagree with Lords Amendment 1
AYEVictims and Courts Bill
Opposition Day Motion: Defence
NOOpposition Day Motion: Oil and Gas
NONational Insurance Contributions (Employer Pensions Contributions) Bill: motion to disagree with Lords Amendment 6
AYENational Insurance Contributions (Employer Pensions Contributions) Bill
National Insurance Contributions (Employer Pensions Contributions) Bill: motion to disagree with Lords Amendment 5
AYENational Insurance Contributions (Employer Pensions Contributions) Bill
National Insurance Contributions (Employer Pensions Contributions) Bill: motion to disagree with Lords Amendment 3
AYENational Insurance Contributions (Employer Pensions Contributions) Bill
National Insurance Contributions (Employer Pensions Contributions) Bill: motion to disagree with Lords Amendment 2
AYENational Insurance Contributions (Employer Pensions Contributions) Bill
National Insurance Contributions (Employer Pensions Contributions) Bill: motion to disagree with Lords Amendment 1
AYENational Insurance Contributions (Employer Pensions Contributions) Bill
Opposition day motion: student loans
NOOpposition day motion: fuel duty
NOThe percentage of votes where this MP voted the same way as the majority of their party. High loyalty is typical; most MPs vote with their party on most issues.
Rebel votes
Times this MP voted differently from the majority of their party. This can reflect independent judgement, but context matters — some rebel votes are on procedural matters, others on major policy.