Until 2024 Cardiff West was entirely within the boundaries of the City of
Cardiff, though in 2024 (as a result of the
2023 Review of UK constituencies) it gained the
Rhondda Cynon Taf ward of
Pontyclun.
1950–1974: The County Borough of Cardiff wards of
Canton,
Ely,
Grangetown,
Llandaff, and
Riverside.
1974–1983: The County Borough of Cardiff wards of Canton, Ely, Llandaff, Grangetown, Plasmawr, and Riverside.
1983–2010: The City of Cardiff wards of
Caerau, Canton, Ely,
Fairwater, Llandaff, Radyr and St Fagans, and Riverside.
2010–2024: The City of Cardiff wards of Caerau, Canton,
Creigiau and St Fagans, Ely, Fairwater, Llandaff,
Pentyrch,
Radyr, and Riverside.
2024–present: As above with the addition of the
Rhondda Cynon Taf ward of
Pontyclun (as it existed on 1 December 2020), transferred primarily from
Pontypridd. Following local government boundary reviews which came into effect in May 2022, the constituency now comprises the following from the 2024 general election: • The City and County of Cardiff wards of Caerau, Canton, Ely, Fairwater, Llandaff, Pentyrch and St Fagans, Radyr, and Riverside. • The County Borough of Rhondda Cynon Taf wards of Pontyclun Central, Pontyclun East, and Pontyclun West (part). Until 2024 Cardiff West was entirely within the boundaries of the City of Cardiff. ==Constituency profile==