Holborn and St Pancras votes in by-election to replace Sir Keir Starmer

Voters across north London are heading to the ballot boxes on Thursday, 8 October 2026, in a high-stakes parliamentary contest to choose a successor to former prime minister Sir Keir Starmer. According to reporting by Lbc, Sir Keir stepped down from the Commons seat he held for over a decade to focus on international affairs, defence, security, trade, technology, and combating violence against women and girls. His departure triggered a fierce scramble among opposition parties eager to test the political durability of Prime Minister Andy Burnham’s administration, while offering the Green Party a historic chance to capture its first-ever MP in the capital.

The parliamentary seat has remained a steadfast Labour stronghold since its formal creation, having been represented for decades by Frank Dobson before Sir Keir assumed the mantle. Yet Thursday’s vote carries immense national significance following a turbulent month of political realignment. Labour has selected Camden Council leader Sagal Abdi-Wali to defend the constituency. Arriving in Britain as a child refugee escaping civil war in Somalia during the early 1990s, Ms Abdi-Wali has spearheaded Camden’s designation as a Borough of Sanctuary during her tenure on the council. Writing in a final appeal, Mr Burnham urged constituents to back her campaign:

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"Today, hope can win. But only if you vote for it. I have no doubt that Sagal Abdi-Wali will make a brilliant local MP for Holborn and St. Pancras."

Andy Burnham, Prime Minister, via Somerset County Gazette

Opposing her is Green Party leader Zack Polanski, who has mounted an intense, resource-heavy campaign aimed at pulling off a major upset. Mr Polanski has sought to peel away disaffected left-wing voters by pressuring Labour on key local and environmental demands, including rent controls, public ownership for Thames Water, and an immediate halt to new North Sea oil and gas drilling. As reported by the Express, bookmakers have installed Labour as heavy favourites, with odds indicating an overwhelming statistical likelihood of holding the seat, while positioning the Greens as long-shot challengers.

The contest has unfolded against a complex backdrop of local and geopolitical tensions. As reported by Hyphen Online, the constituency is home to about 22,000 Muslims, making up around 20 percent of all residents, with distinct communities in Camden Town and Somers Town. Concerns over housing, local deprivation, the HS2 rail project, and UK foreign policy have featured prominently among voters. Controversy also touched the Green campaign after party members passed a motion at their conference in Brighton asserting that “Zionism is racism”. Mr Polanski abstained on the vote, stating that he will not accept any exclusion or refusal to engage based on religious or communal background.

Fifteen distinct candidates are appearing on the ballot paper, including representatives from the Conservative Party, the Liberal Democrats, and Reform UK, alongside independent challengers and figures such as George Galloway running from abroad. Polishing stations across the constituency opened their doors at 7am on Thursday, 8 October 2026, and are scheduled to shutter at 10pm according to BBC News. Because official exit polls are rarely commissioned for parliamentary by-elections, observers will have to wait for the verification and counting process to unfold overnight. Results are expected to be declared in the early hours of Friday morning, providing a critical barometer of public sentiment for both major parties and the insurgent Green campaign.