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By-election · London

Holborn and St Pancras By-Election 2026

Sir Keir Starmer stood down as MP on 1 September 2026, triggering a by-election in the seat he had held since 2015.

Labour hold, 2024Majority 11,572Last updated 12 September 2026
Polling day

24days to go

8 October 2026

Polls open 7am to 10pm

2024 majority11,572
2024 turnout54.1%
Electorate71,300
Candidates named44 parties yet to select
Candidates

Who is standing

Select a candidate for details. As of 12 September 2026; nominations are not final until the statement of persons nominated is published.

Sagal Abdi-WaliLabour

Defending a seat Labour won with 48.9% in 2024. Abdi-Wali leads Camden Council, the local authority covering the constituency.

Leader of Camden Council

Selected 9 September 2026

Zack PolanskiGreen

The Green leader is standing in a seat where the party took 10.4% in 2024, behind Labour and the independent Andrew Feinstein.

Leader of the Green Party

Selected 11 September 2026

Hussain ShafieiWorkers Party

Standing for the Workers Party of Britain.

Selected

Barmy BrunchMonster Raving Loony

Standing for the Official Monster Raving Loony Party.

Selected

Not yet namedReform

Reform UK has not named a candidate. The party took 6.1% here in 2024.

No candidate announced

Not yet namedConservative

The Conservatives are interviewing applicants, with an announcement expected in mid-September. The party took 7.2% here in 2024.

Selection under way

Not yet namedLib Dem

The Liberal Democrats are accepting applications from prospective candidates. The party took 5.8% here in 2024.

Applications open

Not yet namedRestore

Restore Britain has said it will field a candidate.

Intends to stand

Source

Context

Why this by-election

Sir Keir Starmer (Labour) resigned on 1 September 2026. The former prime minister stood down as MP, taking the Chiltern Hundreds to vacate the seat he had held since 2015.

  1. 1 September 2026Keir Starmer resigns the seat
  2. 9 September 2026Labour selects Sagal Abdi-Wali
  3. 11 September 2026Greens select Zack Polanski
  4. 8 October 2026Polling day
Polling

Constituency polls

PollsterFieldwork endSampleLabourGreenOtherReformConservativeLib DemRestore
No constituency polls published yet.
Markets

Betting odds

SourceRecordedOutcomeImplied chance
No odds recorded yet.
Result

Result not yet declared

Polling day is 8 October 2026.

History

Previous elections

Starmer held the seat at three general elections. The 2019 and 2017 results are on the pre-2024 boundaries.

2024

Turnout 54.1%
Labour18,884 - 48.9%
Other8,305 - 21.5%
Green4,030 - 10.4%
Conservative2,776 - 7.2%
Reform2,371 - 6.1%
Lib Dem2,236 - 5.8%

Majority 11,572

2019

Turnout 66.0%
Labour36,641 - 64.5%
Conservative8,878 - 15.6%
Lib Dem7,314 - 12.9%
Green2,746 - 4.8%
Brexit Party1,032 - 1.8%
Other175 - 0.3%

Majority 27,763

2017

Turnout 67.0%
Labour41,343 - 70.1%
Conservative10,834 - 18.4%
Lib Dem4,020 - 6.8%
Green1,980 - 3.4%
UKIP727 - 1.2%
Other93 - 0.2%

Majority 30,509

Demographics

Demographics

Source: ONS Census 2021 (England, Wales, NI) and Scotland's Census 2022, aggregated to 2024 constituency boundaries by the House of Commons Library.

Ethnic composition

2021
White 54.8%White British 33.6%Asian 21.7%Black, African or Caribbean 10.7%Mixed or Multiple ethnic groups 6.8%Other 6.0%
England & Wales (2021)
White 83.0%White British 74.4%Asian 8.6%Black, African or Caribbean 3.7%Mixed or Multiple ethnic groups 2.7%Other 2.0%
2011
White 61.5%White British 42.0%Asian 19.5%Black, African or Caribbean 9.7%Mixed or Multiple ethnic groups 5.5%Other 3.7%
England & Wales (2011)
White 86.0%White British 80.5%Asian 7.5%Black, African or Caribbean 3.3%Mixed or Multiple ethnic groups 2.2%Other 1.0%
2001
White 68.2%White British 50.1%Asian 16.2%Black, African or Caribbean 9.2%Mixed or Multiple ethnic groups 3.7%Other 2.6%
England & Wales (2001)
White 91.3%White British 87.5%Asian 4.8%Black, African or Caribbean 2.2%Mixed or Multiple ethnic groups 1.3%Other 0.4%

Year-over-year comparison uses broad ethnic groups.

2011 values are reaggregated from 2011 Output Areas onto 2024 boundaries.

2001 values are reaggregated from 2001 LSOAs onto 2024 boundaries.

Country of birth

Holborn and St Pancras (2021)
UK 55.2%Other EU 13.8%Other countries 31.0%
England & Wales (2021)
UK 84.0%Other EU 6.0%Other countries 10.1%
Holborn and St Pancras (2011)
UK 57.9%Other EU 10.4%Other countries 31.7%
England & Wales (2011)
UK 86.6%Other EU 3.6%Other countries 9.8%
Holborn and St Pancras (2001)
UK 63.5%Other EU 5.7%Other countries 30.8%
England & Wales (2001)
UK 91.1%Other EU 1.4%Other countries 7.5%
Comparison

How this seat compares

MetricHolborn and St PancrasNationalDifference
% White54.8%83.0%-28.2pp
% White British33.6%74.4%-40.8pp
% Asian21.7%8.6%+13.1pp
% Black, African or Caribbean10.7%3.7%+6.9pp
% Mixed or Multiple ethnic groups6.8%2.7%+4.1pp
% Other ethnic group6.0%2.0%+4.1pp
% UK-born55.2%84.0%-28.8pp
% Non-UK-born44.8%16.0%+28.8pp
% Other EU-born13.8%6.0%+7.9pp
% Other countries-born31.0%10.1%+20.9pp
% Christian30.8%46.7%-15.9pp
% Muslim19.5%6.3%+13.2pp
% Hindu1.3%1.6%-0.3pp
% Sikh0.2%0.9%-0.6pp
% Jewish2.1%0.5%+1.6pp
% Buddhist1.1%0.4%+0.6pp
% Other religion0.8%0.6%+0.3pp
% No religion35.2%37.0%-1.8pp
% Religion not stated8.9%6.0%+3.0pp
% Has any religion55.9%57.0%-1.1pp