MP for Great Grimsby and Cleethorpes
Melanie Onn is a Labour (Co-op) MP for Great Grimsby and Cleethorpes, elected on 4 July 2024. She currently serves on the Energy Security and Net Zero Committee (since March 2025) and has a background in parliamentary committees, including Standards and Privileges, with past roles as a Shadow Minister for Housing.
Her party loyalty is high, voting with Labour 100% of the time (party average 99%), and her attendance is 36% (party average 33%). Her voting record across topics is mixed, with some votes aligned with Labour and others showing independence; she is positioned as centre-right overall (63/100). Notable rebel votes in 2019 included votes on EU Withdrawal measures that diverged from the party line.
She has six declared financial interests, all listed as Miscellaneous.
Generated 21 February 2026
15 positions
Energy Security and Net Zero Committee
Since Mar 2025
Football Governance Bill [HL]
May 2025 - Jun 2025
Institute for Apprenticeships and Technical Education (Transfer of Functions etc) Bill [HL]
Mar 2025 - Mar 2025
Crown Estate Bill [HL]
Jan 2025 - Feb 2025
Committee on Standards
Oct 2024 - Mar 2025
Committee of Privileges
Oct 2024 - Mar 2025
Shadow Minister (Housing, Communities and Local Government) (Housing)
Jan 2018 - Mar 2019
Based on parliamentary votes
has voted a mixture of ways on universal credit
has voted a mixture of ways on bus services regulation
has generally voted against workers rights protections
has generally voted against trade union powers
has generally voted against vat changes
has generally voted against transgender rights
has generally voted against immigration controls
has almost always voted against prison sentencing
Referendums Relating to Council Tax Increases (Principles) (England) Report 2026-27
Local Government Finance Report (England) 2026-27
Draft Greenhouse Gas Emissions Trading Scheme (Amendment) (Extension to Maritime Activities) Order 2026
Draft Greenhouse Gas Emissions Trading Scheme (Amendment) Order 2026
Universal Credit (Removal of Two Child Limit) Bill: Second Reading
Opposition Day: Youth unemployment
Opposition Day: British Indian Ocean Territory
Draft Medical Devices (Fees Amendment) Regulations 2026
Medical Training (Prioritisation) Bill: Amendment 1
Medical Training (Prioritisation) Bill: Amendment 2