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Constituency

Cardiff West

At a glance

Cardiff West is a UK parliamentary constituency in Wales, currently represented in the House of Commons by Mr Alex Barros-Curtis, a Labour MP. Mr Alex Barros-Curtis has represented the seat since 4 Jul 2024. At the 2024 general election it was safe seat, won by a majority of 7,019 votes (15.7%), ranking #358 most marginal of 650 seats. Their Commons voting participation while representing this constituency is 84.2 %, compared with a Commons average of 72.7 %. Browse all seats on the UK constituencies index.

Constituency snapshot

Current representation signals for this constituency.

Current MP Mr Alex Barros-Curtis
Photograph of Mr Alex Barros-Curtis MP ID 5175
Current party
Lab Labour
MP since 4 Jul 2024
Current Commons representation
Voting participation 84.2 %
484 of 575 eligible divisions
Region Wales
Electoral region of England, Scotland, Wales or Northern Ireland
Parliament ID 4507
Imported constituency identifier
Recent votes shown 10
Latest divisions listed below

Boundary

Imported constituency boundary for Cardiff West.

Map

MP voting summary

How Mr Alex Barros-Curtis has voted since becoming MP for this constituency.

Voted in 484 of 575 eligible divisions (84.2 %).

84.2 %

Participation

249

Aye

235

No

1

Against party

Aye / No split Ayes 249 / Noes 235

Recent divisions

Division Vote
Draft Trade Unions (Permissible Means of Voting) and Employment Rights (Unfair Dismissal) (Amendment) Order 2026
Trade Work / Employment
Aye
Draft Code of Practice on Electronic and Workplace Ballots for Statutory Trade Union Ballots
Trade Work / Employment
Aye
Public Office (Accountability) Bill Report Stage: Amendment 19 No
Public Office (Accountability) Bill Report Stage: Amendment 199 No
Public Office (Accountability) Bill Report Stage: Amendment 3 No
Draft Supply of Machinery (Safety) (Amendment etc.) and the EU Machinery Regulation (Enforcement etc. in Northern Ireland) Regulations 2026 Aye
Draft Town and Country Planning (Discharge of Local Planning Authority Functions) (England) Regulations 2026 Aye
Draft Children’s Wellbeing and Schools Act 2026 (Establishment of Schools) (Consequential Amendments) Regulations 2026
Education
Aye
National Security (State Threats) Bill: motion to agree to Lords Amendment 1
Defence
Aye
Taxation (Energy and Vehicles) Bill Committee: New Clause 5
Energy Tax Transport
No
View full voting record →

Election results

How this seat has voted at general elections and by-elections. All UK election results →

Safe seat — won by 15.7% in 2024

Majority of 7,019 votes · #358 most marginal of 650 seats.

4 July 2024

59 % turnout · maj 7,019
Alex Barros-Curtis · Labour 16,442 (36.7%)
Kiera Marshall · Plaid Cymru 9,423 (21.1%)
James Hamblin · Conservative 6,835 (15.3%)
Peter Hopkins · Reform UK 5,626 (12.6%)
Jess Ryan · Green Party 3,157 (7.1%)
Manda Rigby · Liberal Democrat 1,921 (4.3%)
Neil McEvoy · Propel 1,041 (2.3%)
John Urquhart · Independent 241 (0.5%)
Sean Wesley · Heritage Party 71 (0.2%)

More seats in Wales

Other UK parliamentary constituencies in Wales — explore their MPs and voting records.

Aberafan Maesteg Stephen Kinnock · Lab Alyn and Deeside Sir Mark Tami · Lab Bangor Aberconwy Claire Hughes · Lab Blaenau Gwent and Rhymney Nick Smith · Lab Brecon, Radnor and Cwm Tawe David Chadwick · LD Bridgend Chris Elmore · Lab Caerfyrddin Ann Davies · PC Caerphilly Chris Evans · Lab Cardiff East Jo Stevens · Lab Cardiff North Anna McMorrin · Lab Cardiff South and Penarth Stephen Doughty · Lab Ceredigion Preseli Ben Lake · PC

Browse all UK constituencies →

Constituency source UK Parliament Members API
Member source UK Parliament member record

FAQs

Who is the MP for Cardiff West?

Mr Alex Barros-Curtis is the current MP for Cardiff West. Source

Which party currently holds Cardiff West?

Cardiff West is currently represented by Mr Alex Barros-Curtis of Labour. Source

What is the Parliament constituency ID for Cardiff West?

Cardiff West's imported Parliament constituency ID is 4507. Source

Where can I find the member profile for Cardiff West?

The current MP profile for Cardiff West is linked from this page and records party, roles, interests, election data, and voting record where available. Source

Can the MP for Cardiff West change?

Yes. Constituency representation can change after a general election, by-election, resignation, recall petition, or other parliamentary change. Re-running the current MP import refreshes this data. Source

Where does Cardiff West data come from?

Constituency and current MP data is imported from the UK Parliament Members API. Source