Photograph of Deirdre Costigan

Member of Parliament

Deirdre Costigan

Profile, voting record, roles, interests, and election information from official Parliament data.

At a glance

4 Jul 2024

Commons start

1 years, 10 months

Time in Commons

94.4 %

Voting participation

+21.1 % vs avg

15,793

Majority

33

Debates (12 months)

47

Contributions

Voting activity (12 months)

Debate activity (12 months)

Topic voting

Where this MP has been most and least active across locally tagged Commons division topics.

Highest topic participation

Work / Employment 37/37 (100 %)
Housing 31/31 (100 %)
Transport 21/21 (100 %)
Digital / Online Safety 11/11 (100 %)
Migration 11/11 (100 %)

Lowest topic participation

Trade 0/4 (0 %)
Defence 15/18 (83 %)
Benefits 28/30 (93 %)

Party history

Labour 4 Jul 2024 to present

Constituency

Constituency history

Ealing Southall 4 Jul 2024 to present Elected 1 time

Roles

Government Whip, Lord Commissioner of HM Treasury 12 May 2026 to present HM Treasury
Representation of the People Bill 11 Mar 2026 to present
English Devolution and Community Empowerment Bill 15 Sep 2025 to 28 Oct 2025
Assistant Whip 7 Sep 2025 to 12 May 2026 Whips Office (Commons)
Rare Cancers Bill 26 Jun 2025 to present
Non-Domestic Rating (Multipliers and Private Schools) Bill 4 Dec 2024 to 12 Dec 2024
Health and Social Care Committee 21 Oct 2024 to 17 Mar 2025

Latest election result

Candidate result data from the Parliament Members API.

Lab Hold Ealing Southall Turnout 46,816
Candidate Party Votes Share
Deirdre Costigan Lab Labour 23,000 49.1 %
Georgie Calle Con Conservative 7,207 15.4 %
Neil Reynolds Green Green Party 4,356 9.3 %
Darshan Singh Azad WPB Workers Party of Britain 4,237 9.1 %
Tariq Mahmood LD Liberal Democrat 2,832 6.0 %
Steve Chilcott RUK Reform UK 2,585 5.5 %
Niko Omilana Ind Independent 740 1.6 %
Sangeet Kaur Bhail Ind Independent 557 1.2 %
Peter Ward Rejoin EU 475 1.0 %
Joe Bhangu Ind Independent 319 0.7 %
Jaginder Singh Ind Independent 295 0.6 %
Pedro Da Conceicao Ind Independent 213 0.5 %

Source: UK Parliament Members API

Voting record

Commons division votes from the official Commons Votes API.

Voted in 487 of 516 eligible divisions (94.4 %). Commons average: 73.3 %.

487

Total votes

257

Aye

230

No

1

Against party

Aye / No split Ayes 257 / Noes 230

Divisions

Page 1 of 33
Division Vote
King's Speech Motion for an Address: amendment (i) No
Draft Immigration and Asylum (Provision of Accommodation to Failed Asylum-Seekers) (Amendment) Regulations 2026 Aye Teller
Draft Asylum Seekers (Reception Conditions) (Amendment) Regulations 2026 Aye Teller
Pension Schemes Bill: motion to disagree with Lords Amendments 15 to 24, 27, 30 to 34, 36, 38 to 42, 83 and 88, insist on Amendments 88C, 88E to 88P, 88R, 88S and 88W, and propose Amendments (a) to (j) in lieu of Amendments 88A, 88T, 88U and 88V Aye Teller
Privilege No Teller
Children's School and Wellbeing Bill: Amendments (a) to (j) in lieu of Lords Amendments 38V to 38X Aye
Northern Ireland Troubles Bill: Carry-over motion Aye
Pension Schemes Bill: motion to disagree with Lords Amendments 15 to 24, 27, 30 to 34, 36, 38 to 42, 83 and 88, insist on its Amendments 88A, 88C and 88E to 88P and propose Amendments (a) to (f) Aye
English Devolution and Community Empowerment Bill: Amendments (a) to (h) in lieu of Lords Amendments 85 and 86, 97 to 116, 120, 121 and 123 Aye
English Devolution and Community Empowerment Bill: motion to disagree with Lords Amendments 94B and 94C Aye
English Devolution and Community Empowerment Bill: motion to disagree with Lords Amendments 36, 90 and 155, insist on Amendments 155A to 155F and propose Amendment (a) Aye
English Devolution and Community Empowerment Bill: motion to disagree with Lords Amendments 89B and 89C Aye
Crime and Policing Bill: motion to insist on Amendments 439C and 439D and disagree with Lords Amendments 439E and 439F Aye Teller
Children's Wellbeing and Schools Bill: motion to insist on Amendment 38J and disagree with Lords Amendments 38V to 38X Aye Teller
Pensions Schemes Bill: motion to disagree with Lords Amendments 15 to 24, 27, 30 to 34, 36, 38 to 42, 83 and 88, insist on Amendments 88A and 88C and propose amendments (a) to (j) in lieu of Amendment 88B Aye Teller

Source: Commons Votes API

Debate activity

Parliamentary debate appearances from Hansard. Contribution counts cover the last 12 months.

3

Speeches

16

Questions

28

Interventions

0

Answers

0

Points of order

0

Statements

Most active debate topics

Energy 3 appearances
Benefits 3 appearances
Transport 2 appearances
Tax 2 appearances
Education 2 appearances

Recent appearances

Debate Contributions
M6: Junction 38 1 Dec 2025 1
Early Education and Childcare 4 Sep 2025 1
Hospitality Sector 3 Sep 2025 1
Young Disabled People: Labour Market Inequalities 3 Sep 2025 1
English Devolution and Community Empowerment Bill 2 Sep 2025 1
Middle East 1 Sep 2025 1
RAF Photographic Reconnaissance Unit 17 Jul 2025 1
Global Plastics Treaty 17 Jul 2025 2
Welfare Spending 15 Jul 2025 3
State of Climate and Nature 14 Jul 2025 1

Source: UK Parliament Hansard API

Registered interests

No registered interests available.

Member source UK Parliament Members API
Voting source Commons Votes API
Debate source UK Parliament Hansard API

FAQs

Who is Deirdre Costigan?

Deirdre Costigan is a Member of Parliament representing Ealing Southall. Source

Which party does Deirdre Costigan represent?

Deirdre Costigan currently represents Labour. Source

Which constituency does Deirdre Costigan represent?

Deirdre Costigan currently represents Ealing Southall. Source

How long has Deirdre Costigan been an MP?

Deirdre Costigan has been in the House of Commons for 1 years, 10 months. Source

How many Commons divisions has Deirdre Costigan voted in?

Deirdre Costigan has recorded votes in 487 of 516 eligible Commons divisions (94.4 % participation rate). The Commons average is 73.3 %. Eligible divisions are those occurring on or after the MP's Commons membership start date. Source

Has Deirdre Costigan voted against their party?

Deirdre Costigan has voted against the party majority 1 times in the imported division data. Source

What roles has Deirdre Costigan held?

Deirdre Costigan has 7 imported role records. The roles section lists the most recent roles available from the Parliament biography data. Source

What was Deirdre Costigan's latest election result?

Deirdre Costigan's latest imported election result is Lab Hold in Ealing Southall, with a majority of 15,793. Source

How active is Deirdre Costigan in parliamentary debates?

Deirdre Costigan has made 47 contributions across 33 debate appearances in the last 12 months, according to Hansard records. Source