Member of Parliament
Deirdre Costigan
Labour MP for Ealing Southall
Government Whip, Lord Commissioner of HM Treasury
At a glanceDeirdre Costigan is a Labour MP for Ealing Southall, and has represented the seat for 2 years. They currently serve as Government Whip, Lord Commissioner of HM Treasury. They have cast 468 votes in Commons divisions (81% attendance) and tabled 107 written questions.
Attendance is votes cast as a share of the 575 Commons divisions since the 2024 election; Deirdre Costigan did not vote in 51. A rebellion is a vote against the way most of their own party voted; free votes, where no party line applies, are left out.
Party-loyalty figures are our own analysis of the official voting records (recorded votes only; they do not describe the formal whip). How we work this out.
Biography
She currently holds the Government post of Government Whip, Lord Commissioner of HM Treasury.
Current roles
- Committee of Selection Committee since 18 May 2026
- Government Whip, Lord Commissioner of HM Treasury Government post · HM Treasury since 12 May 2026
- Representation of the People Bill Committee since 11 Mar 2026
- Rare Cancers Bill Committee since 26 Jun 2025
- Ealing Southall Representation · Elected 1 time since 4 Jul 2024
- Labour Party since 4 Jul 2024
Voting record
Voting alignment
Votes most like
-
Rachel Hopkins
Labour
100.0% · 454 of 454 shared votes
-
Steve Yemm
Labour
100.0% · 451 of 451 shared votes
-
Paul Davies
Labour
100.0% · 446 of 446 shared votes
-
Andrew Cooper
Labour
100.0% · 446 of 446 shared votes
-
Andy Slaughter
Labour
100.0% · 442 of 442 shared votes
Votes least like
-
Andrew Griffith
Conservative
0.7% · 2 of 285 shared votes
-
Sir Roger Gale
Conservative
0.7% · 2 of 281 shared votes
-
Mr Mark Francois
Conservative
0.7% · 2 of 280 shared votes
-
Mrs Kemi Badenoch
Conservative
0.7% · 1 of 147 shared votes
-
Alan Mak
Conservative
0.9% · 3 of 339 shared votes
Alignment figures are our own analysis of the official voting records (recorded votes only; they do not describe the formal whip). How we work this out.
Written questions
Ministry of Housing, Communities and Local Government: Written Questions
To ask the Secretary of State for Housing, Communities and Local Government, if she will make an estimate of the cost to the public purse of responding to written questions from the Shadow Secretary of State for Housing, Communities and Local Government.
Answer · 17 Jul 2025
This Government welcomes scrutiny from all members of Parliament. In 2012 it was estimated that the average cost of answering a written question was £164. The Hon Member for Thirsk and Malton has tabled 2205 written questions in this Parliament, so the co...
Gender Based Violence: Prosecutions
To ask the Solicitor General, what steps she is taking to help increase prosecution rates in cases of violence against women and girls.
Answer · 9 May 2025
This Government was elected with a landmark mission to halve violence against women and girls in a decade. A key part of this will be delivering effective prosecutions, and we continue to see improvements in the prosecution of VAWG offences.As Solicitor G...
Equal Pay: Disability
To ask the Minister for Women and Equalities, what steps she is taking to help tackle pay disparities for disabled people.
Answer · 7 May 2025
Tackling pay disparities for disabled people is a major focus, hence bringing forward measures to address them in the King’s Speech.In March, we launched a consultation on proposals to introduce mandatory disability pay gap reporting for large businesses....
Hospitals: Community Care
To ask the Secretary of State for Health and Social Care, what steps he is taking to shift care from hospitals into the community.
Answer · 8 Jan 2025
It is vital to move services from hospital to community. The Chancellor made funding available for 380,000 more talking therapies for patients and put in place a £26 million capital investment scheme for mental health crisis centres. A lot of work has bee...
Health Services: Standards
To ask the Secretary of State for Health and Social Care, If he will make a comparative assessment of the adequacy of NHS care at (a) weekends and (b) weekdays.
Answer · 4 Dec 2024
The National Health Service is committed to ensuring safe, high-quality care is available to patients seven days a week, whether they require emergency treatment or ongoing care. While there are natural variations in activity levels between weekends and w...
Roads: Safety
To ask the Secretary of State for Transport, what steps she is taking to help improve safety for (a) children and (b) other vulnerable road users.
Answer · 25 Nov 2024
On 19 November 2024, Active Travel England and the Department for Transport published guidance for local authorities in England on how to set up and manage a School Streets scheme. The guidance can be viewed online at: www.gov.uk/government/publications/s...
Patients: Homelessness
To ask the Secretary of State for Health and Social Care, what steps his Department is taking to ensure that people facing homelessness are discharged safely from hospital in winter 2024-25.
Answer · 18 Nov 2024
The Department of Health and Social Care and the Ministry of Housing, Communities and Local Government have published guidance and supporting materials for health and care staff on discharging people at risk of, or experiencing homelessness. This ensures ...
Curriculum and Assessment Review
To ask the Secretary of State for Education, if she will ensure that the output of the Curriculum and Assessment Review includes a focus on schools adopting (a) inclusive and (b) nurturing approaches to education.
Answer · 19 Nov 2024
I refer my hon. Friend, the Member for Ealing Southall to the answer of 14 November 2024 to Question 13149.
Speeches in the chamber
1 Dec 2025 M6: Junction 38
Hear, hear.
4 Sep 2025 Early Education and Childcare
Children and parents at Allenby primary school in my constituency of Ealing Southall are already set to benefit from a newly modernised and expanded nursery as a result of funding from this Labour Government. Can I pass on directly to the …
3 Sep 2025 Hospitality Sector
I absolutely agree with my hon. Friend. Labour’s Employment Rights Bill is all about levelling the playing field so that the efforts made by the great employers that we have in this country, including hospitality employers, to look after t…
3 Sep 2025 Hospitality Sector
It is interesting that the Conservatives’ motion acknowledges the important role that hospitality businesses play in offering a first step on the employment ladder to “young and often excluded groups”. If they care so much about youn…
3 Sep 2025 Young Disabled People: Labour Market Inequalities
The last Conservative Government left so many young disabled people in Ealing Southall who wanted to work consigned to a lifetime on benefits, but at West Ealing jobcentre we are already seeing a difference being made, with £1.3 billion of…
2 Sep 2025 English Devolution and Community Empowerment Bill
We in London also face a proliferation of e-scooters and e-bikes. The last Conservative Government absolutely failed to take any action on that. Does my hon. Friend agree that it will make a huge difference to Londoners that Transport for …
1 Sep 2025 Middle East
In recent months alone more than 1,000 of my constituents have contacted me about the brutal conflict in Gaza, making it the single biggest issue of concern to local people. I know that the Foreign Secretary and his Ministers are doing eve…
17 Jul 2025 Global Plastics Treaty
Does the hon. Member agree that the Government’s banning of disposable plastic vapes is another way we can help reduce this plastic waste?
17 Jul 2025 Global Plastics Treaty
I congratulate the right hon. Gentleman on securing this important debate. He has outlined the important global action that we need to take on plastics. Does he agree that this Government’s action to bring forward a deposit return scheme w…
17 Jul 2025 RAF Photographic Reconnaissance Unit
I congratulate my hon. Friend on securing this important debate, at which many of us are here to support her. Two of the names on that list of 1,747 people are from my constituency of Ealing Southall, including Warrant Officer Mervyn Harri…
15 Jul 2025 Welfare Spending
I agree with my hon. Friend, and we are making huge progress on reducing those waiting lists. We are also fixing the broken welfare system that the Conservatives left behind. We are increasing the basic rate of universal credit to help tho…
15 Jul 2025 Welfare Spending
I absolutely welcome that point. The Conservatives put 1 million more children into poverty, with 800,000 children now relying on food banks such as St Anselm’s to eat. In the motion today, the Conservatives have the bare-faced cheek to bl…
15 Jul 2025 Welfare Spending
I have visited St Anselm’s food bank in Southall on many occasions and spoken to its brilliant volunteers, but the people who find it hard to speak to me are those collecting the food. Being poor and unable to feed their family is not some…
15 Jul 2025 Welfare Spending
Does the hon. Member seriously believe that any family anywhere in the country will take seriously the Conservative party lecturing them on personal and fiscal responsibility, when this is the party that not only brought the economy to its…
15 Jul 2025 Welfare Spending
Will the hon. Lady give way?
14 Jul 2025 State of Climate and Nature
As the Secretary of State outlined, the climate crisis is also a nature crisis, especially in nature-depleted cities such as London. In recognition of that, Ealing’s Labour council has imaginative plans for a new regional park from Horsen…
10 Jul 2025 Electricity Market Review
I thank the Secretary of State for his statement. It is clear that zonal pricing would not only waste valuable time in the race to reduce our reliance on costly fossil fuels; it would see my constituents in Ealing Southall, many of whom ar…
10 Jul 2025 London’s National Economic Contribution
I thank my hon. Friend, and almost constituency neighbour, for giving way. Does he agree that it is important that we have more police on the ground in London, which I believe this Government are ensuring, but also important that those pol…
10 Jul 2025 London’s National Economic Contribution
I thank my hon. Friend for giving me an opening to mention the west London orbital, which is another important project in connecting up west London and opening up opportunities for both employment and housing. Does he agree that both TfL a…
10 Jul 2025 London’s National Economic Contribution
I congratulate my hon. Friend on securing this important debate. He mentions the need to ensure that the legacy of Grenfell is kept in mind and that building safety is at the forefront of building homes in London, but has he noted that, in…
Source: contributions on parliament.uk.
Full parliamentary career
Government posts
- Assistant Whip · Whips Office (Commons) 7 Sep 2025 – 12 May 2026
Committee memberships
- English Devolution and Community Empowerment Bill 15 Sep 2025 – 28 Oct 2025
- Health and Social Care Committee 21 Oct 2024 – 17 Mar 2025
- Non-Domestic Rating (Multipliers and Private Schools) Bill 4 Dec 2024 – 12 Dec 2024
Expenses
Contact & offices
0208 243 8611
Parliamentary office
House of Commons, London, SW1A 0AA
Constituency office
Constituency office
Frequently asked questions
Common questions about Deirdre Costigan, answered from official Parliament data.
Who is Deirdre Costigan?
Deirdre Costigan is a Member of Parliament representing Ealing Southall in the House of Commons. See Deirdre Costigan's official Parliament profile.
Which party does Deirdre Costigan represent?
Deirdre Costigan sits as Labour. See Deirdre Costigan's official Parliament profile.
Which constituency does Deirdre Costigan represent?
Deirdre Costigan is the Member of Parliament for Ealing Southall. See Deirdre Costigan's official Parliament profile.
How long has Deirdre Costigan been an MP?
Deirdre Costigan has served in the House of Commons for 2 years. See Deirdre Costigan's official Parliament profile.
What registered interests are listed for Deirdre Costigan?
Deirdre Costigan has no entries in the Register of Members' Financial Interests. See Deirdre Costigan's official Parliament profile.
Source: this MP's official Parliament profile. Last updated 27 Jul 2026.