Beccy Cooper's political importance rests as much on what she achieved in Worthing as on her first two years in Parliament. She helped turn a strongly Conservative seaside town into a Labour foothold, then used that base to defeat one of Westminster's longest-serving MPs. Her administrative record was more mixed: she established priorities and advanced housing projects, but several of the largest schemes remained plans when she moved to Parliament.

How she rose

Cooper won a Worthing council by-election in 2017, becoming Labour's first councillor in the town for 41 years. Labour then built its organisation ward by ward until it took control of the borough in 2022, ending 18 years of Conservative administration. Cooper became council leader and strengthened Labour's majority at the 2023 and 2024 elections.

That record made her a credible parliamentary candidate rather than one carried into Westminster solely by Labour's national landslide. In 2024 she defeated Sir Peter Bottomley, who had entered Parliament in 1975 and was then Father of the House, by 3,949 votes.

What she stands for

Cooper's politics are rooted in public health. She argues that housing, planning, poverty, transport and the environment should be treated as health policies because they determine how long and how well people live. In Parliament, she pushed for health inequality to be incorporated into planning rules and for national wellbeing measures to be used routinely in Treasury decisions.

The position is coherent, but the government had not adopted either proposal by July 2026. When Cooper asked for mandatory use of wellbeing indicators in the Treasury Green Book, the health minister merely referred the matter to Treasury colleagues.

She also supports assisted dying, arguing that safeguards can allow terminally ill adults to exercise autonomy. This was a genuine conscience position rather than routine loyalty to Labour, whose MPs were given a free vote.

Her council record

Cooper inherited a council with very little direct control over social housing because Worthing had previously transferred its housing stock. Her administration made affordable housing and urban greening central priorities while maintaining a balanced budget during the cost-of-living crisis. It increased housing support and benefits, although Cooper acknowledged that emergency spending pushed the council's finances close to their limit.

The largest housing proposal associated with her leadership was Union Place. In 2022 the council partnered with Roffey Homes on 216 flats, including 43 affordable homes. Cooper's administration helped move the scheme through planning and towards a joint venture.

It did not build the homes. The project stalled, the council changed its approach after Cooper had left, and construction was only agreed in January 2026 after the land was sold to the developer for £4.1 million. Cooper deserves some credit for advancing a long-dormant site, but claiming 216 completed homes would be false.

More broadly, her two years as leader produced strategies for affordable housing, temporary accommodation and greener development, but limited completed construction. The council approved funding to acquire six homes under the Local Authority Housing Fund in March 2024. That was useful, but far short of the scale required by Worthing's housing shortage.

Westminster record and alliances

Cooper initially behaved as a loyal Labour backbencher but joined more than 100 Labour MPs threatening to block the government's 2025 welfare reforms. Their intervention forced ministers to remove or delay major disability-benefit restrictions. Cooper then supported the revised bill, arguing that the principal concessions had addressed her objections. The episode showed her preferred method: pressure the leadership internally, secure changes and then restore party unity.

She subsequently helped revive the Tribune group, Labour's soft-left caucus, which pressed for stronger action on poverty, public ownership and living standards. Her appointment as a Cabinet Office parliamentary private secretary under Andy Burnham in July 2026 brought her inside the government operation, but came too late to produce an assessable result.

Assessment

Cooper has demonstrated political capability. Building Labour from a single council seat to control of Worthing, retaining that control and then removing a veteran Conservative MP required organisation, patience and a persuasive local identity.

Her delivery record is thinner than that political success suggests. Her council set a clearer direction on housing and health inequality, but its biggest housing scheme remained unbuilt when she left. In Parliament she influenced the welfare retreat as part of a large collective rebellion, but secured no major health or planning reform of her own. By July 2026, Cooper had proved herself an effective electoral organiser and pragmatic soft-left politician. She had not yet proved that her broad public-health philosophy could be converted into large, completed improvements.