Melanie Onn, MP for Great Grimsby and Cleethorpes
Melanie Onn has been an MP since 2015. Currently: Immigration and Asylum Bill; Energy Security and Net Zero Committee.
Roles and committees
Posts held in government or opposition, and committee seats, as Parliament records them.
In opposition
| Post | When | |
|---|---|---|
| Shadow Minister (Housing, Communities and Local Government) (Housing) (Ministry of Housing, Communities and Local Government) | 2018 to 2019 | |
| Shadow Minister (Housing) (Department for Communities and Local Government) | 2017 to 2018 | |
| Shadow Deputy Leader of the House of Commons (Office of the Leader of the House of Commons) | 2015 to 2016 |
Committees
| Post | When | |
|---|---|---|
| Immigration and Asylum Bill | 2026 to now | Now |
| Football Governance Bill [HL] | 2025 | |
| Energy Security and Net Zero Committee | 2025 to now | Now |
| Institute for Apprenticeships and Technical Education (Transfer of Functions etc) Bill [HL] | 2025 | |
| Crown Estate Bill [HL] | 2025 | |
| Committee on Standards | 2024 to 2025 | |
| Committee of Privileges | 2024 to 2025 | |
| Consolidation, &c., Bills (Joint Committee) | 2017 to 2019 |
Show the other 5
| Post | When | |
|---|---|---|
| Procedure Committee | 2017 to 2019 | |
| Housing, Communities and Local Government Committee | 2016 to 2017 | |
| Procedure Committee | 2016 to 2017 | |
| Consolidation, &c., Bills (Joint Committee) | 2015 to 2017 | |
| Energy and Climate Change Committee | 2015 |
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.
Melanie Onn has 6 interests currently registered.
| Type | What was registered | Registered |
|---|---|---|
| Miscellaneous | Co-Chair for 'Pathways to Net Zero' and project bringing together energy businesses and parliamentarians to discuss energy related policy. Sponsoring meetings, lunches, dinners & receptions in House of Commons/Westminster. Supported by Palace Yard communications. | 18 Mar 2025 |
| Miscellaneous | Executive Committee member of the British American Parliamentary Group. This is an unpaid role. | 8 Jan 2025 |
| Miscellaneous | Co-Chair of the Commission for Carbon Competitiveness (a small group of MPs, former MPs and industry experts researching and producing reports on industrial competitiveness). Hanover Communications is appointed by the Commission to provide Secretariat duties, but Commissioners are not part of a formal contractual arrangement and do not appoint Hanover. | 4 Dec 2024 |
| Miscellaneous | Elected parliamentary representative on Labour Party National Executive Committee, | 4 Dec 2024 |
| Miscellaneous | Trustee of Youth Charity, Shalom based in the East Marsh of Grimsby. This is an unpaid role. | 4 Dec 2024 |
| Miscellaneous | Director of Grimsby Community Energy (cooperative model, principal aims to increase take up of community ownership of electricity generation, increase renewable sources of energy, deliver community benefit through lower bills and grants for sustainable or environmentally positive community projects). This is an unpaid role. | 4 Dec 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.
Melanie Onn asked 94 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.
55 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
Melanie Onn represents Great Grimsby and Cleethorpes. 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
Melanie Onn won with 42% of the votes, and Oliver Freeston (Reform UK) came second with 29%.
Votes for each party
Every candidate
| Candidate | Party | Votes | Share |
|---|---|---|---|
| Melanie Onn | Labour | 15,336 | 41.9% |
| Oliver Freeston | Reform UK | 10,533 | 28.8% |
| Lia Nici | Conservative | 8,269 | 22.6% |
| Ed Fraser | Green Party | 1,115 | 3.0% |
| John Lawson | Liberal Democrat | 1,036 | 2.8% |
| Mark Gee | Trade Unionist and Socialist Coalition | 222 | 0.6% |
| Christopher Stephenson | Social Democratic Party | 108 | 0.3% |
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 Melanie Onn took part in 190 Commons votes.
More detail on how they vote
Melanie Onn voted the same way as their party in 188 of the 188 votes where parties gave instructions (100%), and went the other way in 0.
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
Has this changed over time?
View data table
| Month | This MP | Party average |
|---|---|---|
| Oct 25 | 100% | 100% |
| Nov 25 | 100% | 100% |
| Dec 25 | 100% | 100% |
| Jan 26 | 100% | 100% |
| Feb 26 | 100% | 100% |
| Mar 26 | 100% | 100% |
| Apr 26 | 100% | 100% |
| May 26 | 100% | 100% |
| Jun 26 | 100% | 100% |
| Jul 26 | 100% | 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