Cardiff South and Penarth () is a

constituency An electoral district, also known as an election district, legislative district, voting district, constituency, riding, ward, division, or (election) precinct is a subdivision of a larger State (polity), state (a country, administrative region, ...

of the

Senedd The Senedd (; ), officially known as the Welsh Parliament in English and () in Welsh, is the devolved, unicameral legislature of Wales. A democratically elected body, it makes laws for Wales, agrees certain taxes and scrutinises the Welsh Gove ...

. It elects one Member of the Senedd by the

first past the post In a first-past-the-post electoral system (FPTP or FPP), formally called single-member plurality voting (SMP) when used in single-member districts or informally choose-one voting in contrast to ranked voting, or score voting, voters cast their ...

electoral system. It is typically a safe Labour seat.

Constituency profile and voting

The constituency was created for the first election to the Assembly, in 1999, with the name and boundaries of the Cardiff South and Penarth Westminster constituency. It is entirely within the

preserved county The preserved counties of Wales are the eight current areas used in Wales for the ceremonial purposes of lieutenancy and shrievalty. They are based on the counties created by the Local Government Act 1972 and used for local government and othe ...

South Glamorgan , Government= South Glamorgan County Council , Status= Non-metropolitan county (1974–1996) Preserved county (1996–) , Start= 1974 , End= 1996 , Arms= , HQ= ...

. The only major boundary changes that have occurred in recent years is the inclusion of the ward of Sully into the constituency for the 2007 National Assembly for Wales election. Cardiff South and Penarth is part of the

South Wales Central South is one of the cardinal directions or compass points. The direction is the opposite of north and is perpendicular to both east and west. Etymology The word ''south'' comes from Old English ''sūþ'', from earlier Proto-Germanic ''*sunþaz ...

electoral region. As one of the eight constituencies in South Wales Central, it, along with the other constituencies in the region, elect four additional members. The other seven constituencies of the region are Cardiff Central, Cardiff North, Cardiff West,

Cynon Valley Cynon Valley () is a former coal mining valley in Wales. Cynon Valley lies between Rhondda and the Merthyr Valley and takes its name from the River Cynon. Aberdare is located in the north of the valley and Mountain Ash is in the south of th ...

Pontypridd () (colloquially: Ponty) is a town and a community in Rhondda Cynon Taf, Wales. Geography comprises the electoral wards of , Hawthorn, Pontypridd Town, 'Rhondda', Rhydyfelin Central/Ilan ( Rhydfelen), Trallwng (Trallwn) and Treforest (). The ...

Rhondda Rhondda , or the Rhondda Valley ( cy, Cwm Rhondda ), is a former coalmining area in South Wales, historically in the county of Glamorgan. It takes its name from the River Rhondda, and embraces two valleys – the larger Rhondda Fawr valley ('' ...

and

Vale of Glamorgan The Vale of Glamorgan ( cy, Bro Morgannwg ), often referred to as The Vale, is a county borough in the south-east of Wales. It borders Bridgend County Borough to the west, Cardiff to the east, Rhondda Cynon Taf to the north, and the Bristol C ...

. The use of the Additional Member System means that each voter has two votes. The first vote is for a candidate to become the Member of the Senedd for the voter's constituency, elected under the first past the post system. The second vote is used to vote for a regional

closed party list Closed list describes the variant of party-list systems where voters can effectively only vote for political parties as a whole; thus they have no influence on the party-supplied order in which party candidates are elected. If voters had some in ...

of candidates. Additional member's seats are allocated from the lists by the

d'Hondt method The D'Hondt method, also called the Jefferson method or the greatest divisors method, is a method for allocating seats in parliaments among federal states, or in party-list proportional representation systems. It belongs to the class of highest- ...

, to create a more proportional outcome in both the region and the Senedd.

Assembly members and Members of the Senedd

Elections

Elections in the 2020s

Elections in the 2010s

Regional ballots rejected at the count: 176

Elections in the 2000s

2003 Electorate: 65,505
Regional ballots rejected: 423

Elections in the 1990s

1999 Electorate: 60,996

References

{{DEFAULTSORT:Cardiff South And Penarth (Assembly Constituency) Politics of Cardiff Senedd constituencies in the South Wales Central electoral region 1999 establishments in Wales Constituencies established in 1999