Tristan Osborne was elected Labour MP for Chatham and Aylesford on 4 July 2024 with 13,689 votes (33.5 percent) and a majority of 1,998 (4.9 percent), with Reform UK on 24.5 percent. Born in Truro and brought to the Medway area aged three, he grew up in Rochester, won a scholarship to The King's School there as a Rochester Cathedral chorister, and took two Durham degrees, a BA in Natural Sciences and an MA in Business Management.

His pre-politics career was unusually varied: financial risk management for a banking start-up, advising political parties on business regulation, a stint as a Metropolitan Police Special Constable, and teaching geography. The policing experience was directly relevant; on Medway Council his cabinet brief was community safety and enforcement, so he had worked the frontline before taking political responsibility for it. First elected in 2011 as Medway's youngest councillor, he spent 13 years on the council across two wards, became Cabinet Member for Community Safety when Labour took control in 2023, and resigned in December 2024.

The 2024 win was his third attempt at higher office, not his first: he had contested this seat in 2015, losing to the Conservative Tracey Crouch, and stood unsuccessfully for Kent Police and Crime Commissioner in 2016. He sits on the Public Accounts Committee and has been an active contributor on health and social care and on environment and rural affairs.

Osborne's strengths include the Rochester Cathedral chorister and King's School scholarship, two Durham degrees, a Metropolitan Police Special Constable background, geography teaching, financial risk experience, being Medway's youngest councillor, 13 years on the council with a community safety cabinet brief, persistence across three attempts at the seat, and the Public Accounts Committee. His weaknesses include a 1,998 majority (4.9 percent), a 33.5 percent vote share with Reform at 24.5 percent and the combined right-wing vote far exceeding Labour's, being born in Cornwall rather than Kent, no ministerial office, no legislative achievement, and the structural vulnerability of a seat where Conservative recovery and Reform consolidation could erase the majority. At 40, with the Durham degrees, the Special Constable background, the geography teaching and the PAC, he has a more varied pre political career than most MPs. Whether the PAC work and 13 years of council knowledge produce visible Chatham and Aylesford delivery will determine whether the 1,998 margin survives.