Rt Hon John McDonnell, MP for Hayes and Harlington
John McDonnell has been an MP since 1997.
Roles and committees
Posts held in government or opposition, and committee seats, as Parliament records them.
In opposition
| Post | When | |
|---|---|---|
| Shadow Chancellor of the Exchequer (HM Treasury) | 2015 to 2020 |
Committees
| Post | When | |
|---|---|---|
| Neonatal Care (Leave and Pay) Bill | 2022 | |
| Higher Education (Freedom of Speech) Bill | 2021 | |
| Public Administration and Constitutional Affairs Committee | 2021 to 2024 | |
| Justice Committee | 2013 to 2015 | |
| Regulatory Reform | 2001 to 2002 |
Countries of interest
Political Interests
Source: UK Parliament Members API · Parliament’s own page
Declared interests
MPs must publish certain paid work, gifts, donations and other interests. This is a record of what they declared, not a suggestion that anything is wrong.
John McDonnell has 4 interests currently registered.
| Type | What was registered | Registered |
|---|---|---|
| Donations and other support (including loans) for activities as an MP | Rail, Maritime and Transport Union - £25,091.00 | 29 Oct 2025 |
| Donations and other support (including loans) for activities as an MP | Public and Commercial Services Union (PCS) - £36,077.00 | 29 Oct 2025 |
| Donations and other support (including loans) for activities as an MP | Rail, Maritime and Transport Union - £22,211.00 | 20 Nov 2024 |
| Donations and other support (including loans) for activities as an MP | Public and Commercial Services Union (PCS) - £34,358.00 | 20 Nov 2024 |
Source: Register of Members’ Financial Interests · Parliament’s own page
Questions
MPs can ask ministers questions in writing. The questions show what an MP is working on, which votes cannot.
John McDonnell asked 163 written questions in the last 12 months.
Who they asked
Latest questions
Source: Written Questions API · Updated 4 Oct 2026
Expenses
MPs claim back money for running an office and working in two places. An independent body, IPSA, publishes every claim. This is what was paid in 2025-26.
22 claims. For comparison, across the 657 MPs in IPSA’s file the middle MP was paid £18,469 and the average was £19,699.
Source: IPSA, individual business costs data · About this data
Election result and area
John McDonnell represents Hayes and Harlington. Here is who won there at the last general election, and a few numbers about the area.
Labour
votes ahead of second place
of people who could vote did
John McDonnell won with 53% of the votes, and Dylan Thomas (Conservative) came second with 22%.
Votes for each party
Every candidate
| Candidate | Party | Votes | Share |
|---|---|---|---|
| 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% |
2024 General Election, on today’s boundaries. Source: House of Commons Library via the Members API.
Your area at a glance
Median gross weekly pay, 2025. Source: ONS, Annual Survey of Hours and Earnings.
Share of people aged 16 to 64, August 2026. Source: ONS and DWP claimant count.
How they vote
In the last 12 months John McDonnell took part in 238 Commons votes.
More detail on how they vote
John McDonnell voted the same way as their party in 224 of the 236 votes where parties gave instructions (95%), and went the other way in 12.
What does this mean?
Parties tell their MPs how to vote. Most MPs usually follow that. A high or low count says nothing on its own about whether an MP is good or bad, and we do not rank MPs by it. We only count votes where parties gave instructions, not free votes. How we count it
Recent votes
| Date | Vote | They voted | Compared with party |
|---|---|---|---|
| 11 Sep | End of life for terminally ill adults: the first main vote | For | Free vote |
| 11 Sep | A vote to end a debate | For | Free vote |
| 10 Sep | Social housing: an attempt to block it | Against | Same as party |
| 8 Sep | Health: a proposed change | Against | Same as party |
| 8 Sep | Health: a proposed change | Against | Same as party |
| 8 Sep | Health: a proposed change | Against | Same as party |
See every vote on Parliament’s site
Times they voted against their party (12)
| Date | Vote | They voted | Most of their party |
|---|---|---|---|
| 13 Jul | Immigration and asylum: the first main vote | Against | For |
| 28 Apr | New rules: Immigration and Asylum (Provision of Accommodation to Failed Asylum-Seekers) | Against | For |
| 28 Apr | Privilege | For | Against |
| 22 Apr | Children's wellbeing and schools: changes from the House of Lords | Against | For |
| 15 Apr | Children's wellbeing and schools: changes from the House of Lords | Against | For |
| 15 Apr | Children's wellbeing and schools: changes from the House of Lords | Against | For |
| 14 Apr | Crime and policing: changes from the House of Lords | Against | For |
| 10 Mar | Courts and tribunals: the first main vote | Against | For |
| 10 Mar | Courts and tribunals: an attempt to block it | For | Against |
| 9 Mar | Children's wellbeing and schools: changes from the House of Lords | Against | For |
| 9 Mar | Children's wellbeing and schools: changes from the House of Lords | Against | For |
| 24 Nov | Local government and devolution in England: a proposed change | For | Against |
Has this changed over time?
View data table
| Month | This MP | Party average |
|---|---|---|
| Oct 25 | 100% | 100% |
| Nov 25 | 97% | 100% |
| Dec 25 | 100% | 100% |
| Jan 26 | 100% | 100% |
| Feb 26 | 100% | 100% |
| Mar 26 | 87% | 100% |
| Apr 26 | 87% | 100% |
| May 26 | 100% | 100% |
| Jun 26 | 100% | 100% |
| Jul 26 | 89% | 99% |
| Sep 26 | 100% | 100% |
Source: Commons Votes API
This page states what the record shows. It does not say why an MP voted as they did. How we calculate this