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Cardiff South and Penarth constituency
Council areas it covers parts of (approximate outlines)
Marker: a point inside the constituency

The outline is the constituency. Boundaries: Office for National Statistics, Open Government Licence. Use Full screen for the layers: neighbourhood deprivation (IoD2025, England only) and nearby schools. Map data © OpenStreetMap contributors.

Covers parts of 2 councils

Cardiff South and Penarth is not a single council area. The share is the proportion of its residents (Census 2021 population, allocated by postcode) who live in each council area.

Cardiff65%
Vale of Glamorgan35%

Council-level figures on these pages (anything the Office for National Statistics or the councils publish only for a council area) are labelled with the council they describe, and the other councils' values are listed beside them. A council figure is never the figure for the whole constituency.

People

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112,662

Resident population · 2024

3.1%

Population change · 2022 to 2024

1.4 percentage points higher than Wales

Wales 1.7%

How do we know this?

Figure	Source	Period	Geography	Method and limits
Resident population Estimated usual resident population (mid-year estimate).	Office for National Statistics Lower layer Super Output Area mid-year population estimates by single year of age (mid-2022 revised, mid-2023, mid-2024) Licence: Open Government Licence v3.0	2024	Cardiff South and Penarth (Constituency)	estimated, medium quality
Population change 2022 to 2024 (%) Percentage change between mid-2022 (revised) and mid-2024.	Office for National Statistics Lower layer Super Output Area mid-year population estimates by single year of age (mid-2022 revised, mid-2023, mid-2024) Licence: Open Government Licence v3.0	2022-2024	Cardiff South and Penarth (Constituency)	estimated, medium quality

Method: Mid-year population estimates

ONS mid-year estimates are modelled from the 2021 Census, births, deaths and migration. Mid-2022 is the revised series. Ages are grouped: 0-15 means ages 0 to 15 inclusive, working age 16-64, 65 and over. Change 2022-2024 compares the revised mid-2022 with mid-2024 estimates for the same boundaries. Scotland and Northern Ireland: mid-year estimates for council areas published by ONS from National Records of Scotland and NISRA (via Nomis), for 2022 to 2024, to match the England and Wales years. No small-area (ward or neighbourhood) estimates are held for them.

Homes

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£245,000

Median sale price · Year to Oct 2025

14% higher than Wales

Wales £215,000

-0.4%

Change in median sale price · Year to Oct 2025 vs a year earlier

2.8 percentage points lower than Wales

Wales 2.4%

How do we know this?

Figure	Source	Period	Geography	Method and limits
Median sale price Median price of homes sold in the 12-month period (needs 10+ sales).	HM Land Registry Price Paid Data (standard price paid, category A) Licence: Open Government Licence v3.0 (HM Land Registry Price Paid Data, Crown copyright)	Year to Oct 2025	Cardiff South and Penarth (Constituency)	aggregated, high quality
Change in median sale price over a year Percentage change in the median between consecutive 12-month windows. Not mix-adjusted.	HM Land Registry Price Paid Data (standard price paid, category A) Licence: Open Government Licence v3.0 (HM Land Registry Price Paid Data, Crown copyright)	Year to Oct 2025 vs Year to Oct 2024	Cardiff South and Penarth (Constituency)	aggregated, high quality

Method: Price paid medians

Sales are mapped from postcode to each geography exactly. The headline is the median sale price over the latest 12 COMPLETE months (a month is complete when national standard sales are at least 85% of the average of the 24 months before it; currently November 2024 to October 2025) and the 12 months before that. Months after that (Nov 2025 onward in the April 2026 extract) are still being registered and are excluded. Yearly medians use complete calendar years 2016-2024. Medians need at least 10 sales; sales counts are published for any area. Medians describe homes that sold, not all homes, and are not adjusted for the mix of property types, so a change in the median can reflect what was sold. Registration lags completion, so recent months can be revised up. Only standard price paid sales (category A) are included.

Education

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40%

Adults with a degree-level qualification or above · 2021

Cardiff council area figure, covering 65% of this constituency

8.5 percentage points higher than Wales

Wales 31.5%

16.3%

Adults with no qualifications · 2021

Cardiff council area figure, covering 65% of this constituency

3.6 percentage points lower than Wales

Wales 19.9%

How do we know this?

Figure	Source	Period	Geography	Method and limits
Adults with a degree-level qualification or above Share of usual residents aged 16 and over whose highest qualification is Level 4 (degree level) or above (Census 2021).	Office for National Statistics Census 2021 bulk tables via Nomis: TS054 tenure, TS045 cars, TS044 accommodation type, TS017 household size, TS052 occupancy rating (bedrooms), TS037 general health, TS067 highest qualification Licence: Open Government Licence v3.0	2021	Cardiff (Council area)	direct, high quality Same figure for the other councils it covers: Vale of Glamorgan (35%) 37.3%.
Adults with no qualifications Share of usual residents aged 16 and over with no qualifications (Census 2021).	Office for National Statistics Census 2021 bulk tables via Nomis: TS054 tenure, TS045 cars, TS044 accommodation type, TS017 household size, TS052 occupancy rating (bedrooms), TS037 general health, TS067 highest qualification Licence: Open Government Licence v3.0	2021	Cardiff (Council area)	direct, high quality Same figure for the other councils it covers: Vale of Glamorgan (35%) 15.6%.

Method: Census 2021 housing, health and qualifications for Wales

Wales held its census on the same day as England (21 March 2021) with the same questions, so the figures are directly comparable. For Wales we use the published local authority tables. Tenure counts shared ownership with owners; "private rented" includes people who live rent free, as in the England figures. Overcrowding is an occupancy rating of -1 or less for bedrooms. Qualifications are for people aged 16 and over; "no qualifications" and "Level 4 or above" (degree level and above) are shares of all those people. Counts are rounded by random adjustment, so tiny differences from other tables are expected. Wales households per local authority are not split to small areas here.

Economy

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10,695

Companies registered in the area · 2 Oct 2026

94.9 per 1,000

Registered companies per 1,000 residents · 2 Oct 2026

72% higher than Wales

Wales 55.2 per 1,000

How do we know this?

Figure	Source	Period	Geography	Method and limits
Companies registered in the area (registered offices) Active companies whose registered office postcode is in the area. Registered office, not operating location.	Companies House Free Company Data Product (basic company data), snapshot Licence: Open Government Licence v3.0 (Free Company Data Product)	2 Oct 2026	Cardiff South and Penarth (Constituency)	aggregated, medium quality By registered office address. Counts companies by their registered office address, not where they trade. Accountants and formation agents can register thousands of companies at one address, which inflates some areas.
Registered companies per 1,000 residents Active companies with a registered office in the area per 1,000 residents (mid-2024). Registered offices only.	Companies House Free Company Data Product (basic company data), snapshot Licence: Open Government Licence v3.0 (Free Company Data Product)	2 Oct 2026	Cardiff South and Penarth (Constituency)	aggregated, low quality By registered office address. Counts companies by their registered office address, not where they trade. Accountants and formation agents can register thousands of companies at one address, which inflates some areas.

Method: Registered companies by area

Companies are placed by the postcode of their REGISTERED OFFICE, which is not a trading or operating location: accountants, formation agents and virtual offices register thousands of companies at one address, and many small companies use a director's home. Counts are of companies with status Active (including those with a proposal to strike off), by the section of their first listed SIC 2007 code. Incorporation counts cover companies incorporated in the window that are still on the register at 2 Oct 2026, so dissolved companies are missing and older windows are understated relative to newer ones. Companies per 1,000 residents divides by the mid-2024 resident population (England and Wales only) and is not a measure of business density where registration hubs exist. SIC section Z groups dormant, non-trading and unclassified companies.

Community

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124.4 per 1,000

Recorded crime per 1,000 residents · Year to Apr 2026

84% higher than Wales

Wales 67.6 per 1,000

337

Charities registered here · Oct 2026

More than Wales here 3 per 1,000

Wales 2.5 per 1,000

How do we know this?

Figure	Source	Period	Geography	Method and limits
Recorded crime (excluding anti-social behaviour) per 1,000 residents police.uk crime categories except anti-social behaviour, 12 months, per 1,000 residents.	Police forces of England and Wales via data.police.uk Street-level crime (12 monthly files) Licence: Open Government Licence v3.0	Year to Apr 2026	Cardiff South and Penarth (Constituency)	estimated, medium quality 12 months to April 2026. 2.6% of South Wales Police records have no location and are excluded.
Charities based in the area Registered charities whose registered address is in the area.	Charity Commission for England and Wales; OSCR (Scotland); Charity Commission for Northern Ireland Registers of charities (registered address, latest income, charitable purposes) Licence: Open Government Licence v3.0 (Charity Commission, OSCR and CCNI terms apply: not the register itself, no direct marketing)	Oct 2026	Cardiff South and Penarth (Constituency)	aggregated, low quality By registered address. Counts charities by their registered contact address (often a trustee or a head office), not where they work. England and Wales register only. Compared through charities based per 1,000 residents (Oct 2026): Wales 2.5 per 1,000, here 3 per 1,000.

Method: Recorded street crime per 1,000 residents

Counts of crimes in police.uk street-level data for May 2025 to April 2026, matched to 2021 LSOAs by the LSOA code on each record, then split to output areas by population and rolled up (see the area apportioning method). Rates are crimes per 1,000 residents (mid-2024 population) and describe where crimes were recorded, not who committed them or where victims live. High rates occur where many non-residents pass through (town centres, transport hubs, nightlife), so they are not a measure of risk to residents. Crimes with no location (blank LSOA) are excluded; the excluded share by force is in the notes. Greater Manchester Police data are absent from the extract, so those areas have no value. Categories follow police.uk. Anti-social behaviour is incident data, not crime proper, and is included only in the "all categories" rate. 12 months only: no trend is possible and seasonal effects are included.

Method: Charities in an area

A charity is placed by the postcode of its registered/contact address (or the nearest postcode to its geocoded address; some are placed by the nearest postcode to a geocoded address), so counts show where charities are based, not where they work: a national charity with a London address is counted in London. Income is the latest annual income on the register, summed; it is dominated by a few very large charities. "Declaring the area" counts charities that name the local authority (or its county) as an area of operation on the register; it does not mean services are delivered everywhere in that area. Registered charities only; unregistered community groups, small charities below the registration threshold and removed charities are not counted.

The future

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How much of the work residents do generally available AI tools could speed up Cardiff figure

46.6%20.2%31.6%

A small part 46.6%
Some 20.2%
Much 31.6%
Not yet assessed 1.6%

CareerMash staging data (11 Oct 2026), approved by the owner for this preview, subject to change; not yet independently validated

What stands out about this place?

Findings where this place differs most from its surroundings, with the evidence behind each one. A difference is not a verdict: it is a prompt to look closer.

Peoplemedium confidence

Larger share in "ages 20 to 24": Age distribution (mid-year)

In the breakdown "Age distribution (mid-year)" (2024), "ages 20 to 24" makes up 18.3% in Cardiff South and Penarth, compared with 5.9% in Wales.

18.3% here5.9% Wales

How do we know this?

Source: not recorded
Period: 2024
Geography: Constituency, compared with Wales
Method: Mid-year population estimates. ONS mid-year estimates are modelled from the 2021 Census, births, deaths and migration. Mid-2022 is the revised series. Ages are grouped: 0-15 means ages 0 to 15 inclusive, working age 16-64, 65 and over. Change 2022-2024 compares the revised mid-2022 with mid-2024 estimates for the same boundaries. Scotland and Northern Ireland: mid-year estimates for council areas published by ONS from National Records of Scotland and NISRA (via Nomis), for 2022 to 2024, to match the England and Wales years. No small-area (ward or neighbourhood) estimates are held for them.
Limitations: none recorded

See Living here

Homesmedium confidence

Wide range between wards in Cardiff South and Penarth: Typical (median) home sale price

Typical (median) home sale price (Year to Oct 2025) varies within Cardiff South and Penarth: from £174,500 in Butetown to £505,000 in Plymouth, across 11 wards. The upper tenth of wards is about 1.8 times the lower tenth.

Plymouth figure

£505,000 Plymouth£174,500 Butetown

How do we know this?

Source

HM Land Registry: Price Paid Data (standard price paid, category A) (Open Government Licence v3.0 (HM Land Registry Price Paid Data, Crown copyright))

Period

Year to Oct 2025

Geography

Ward, compared with lowest-value ward (Butetown)

Method

Price paid medians. Sales are mapped from postcode to each geography exactly. The headline is the median sale price over the latest 12 COMPLETE months (a month is complete when national standard sales are at least 85% of the average of the 24 months before it; currently November 2024 to October 2025) and the 12 months before that. Months after that (Nov 2025 onward in the April 2026 extract) are still being registered and are excluded. Yearly medians use complete calendar years 2016-2024. Medians need at least 10 sales; sales counts are published for any area. Medians describe homes that sold, not all homes, and are not adjusted for the mix of property types, so a change in the median can reflect what was sold. Registration lags completion, so recent months can be revised up. Only standard price paid sales (category A) are included.

Limitations

Ward and neighbourhood boundaries differ in size; the range shows variation within the area, not a ranking of places.

See Living here

Homesmedium confidence

Higher than Wales: Average monthly private rent (Cardiff figure)

Average monthly private rent is £1,177 in Cardiff council area (Aug 2026), compared with £846 in Wales (39% higher).

Cardiff figure

£1,177 Cardiff figure£846 Wales

How do we know this?

Source

Office for National Statistics: Price Index of Private Rents, UK: monthly price statistics (Open Government Licence v3.0)

Period

Aug 2026

Geography

Council area, compared with Wales

Method

Private rents (PIPR). The ONS Price Index of Private Rents measures the change in rents paid by private tenants, and publishes an average (mean) monthly rent per local authority from the same data. The figure is a mean, not a median, so a few very high rents pull it up, especially in London and where there are few lettings. It covers rents paid for homes let on the private market (not social rents) and reflects all tenancies in the stock, not only new lets, except in Scotland where the underlying data are mainly advertised new lets, which makes Scotland not directly comparable with England and Wales. Annual change is the change in the rental price index, not in the cash average. Rents are in cash terms, not adjusted for inflation. Averages by number of bedrooms are held for the latest month only.

Limitations

Mean, not median.
Cardiff South and Penarth covers parts of 2 council areas (Cardiff 65%, Vale of Glamorgan 35%); the figure shown is for Cardiff only, not for the whole constituency.
This figure is for the Cardiff council area, not for Cardiff South and Penarth itself.

See Living here

Economymedium confidence

Higher than Wales: Change in dissolutions on the prior 12 months

Change in dissolutions on the prior 12 months is 7.0% in Cardiff South and Penarth (Year to 4 Nov 2026 vs Year to 4 Nov 2025), compared with -31.7% in Wales (38.7 percentage points higher).

7% here-31.7% Wales

How do we know this?

Source

Companies House: Dissolved companies: advanced search API (one query per dissolution day since 2010), topped up from the live streaming feed; incorporations from the register snapshot of 2 Oct 2026 (to confirm (Companies House API terms; the register data is published under the Open Government Licence v3.0))

Period

Year to 4 Nov 2026 vs Year to 4 Nov 2025

Geography

Constituency, compared with Wales

Method

Company dissolutions and net formation. Dissolutions are companies Companies House records as dissolved, counted on the dissolution date and located by the postcode of the registered office held at dissolution. That address is often an accountant, formation agent or liquidator, not where the company traded, so it says where a company was registered, not where a business closed. Every dissolution day since 1 January 2010 was fetched one day at a time and checked: the number of companies stored equals the number the register reports for that day. The latest window is the 365 days ending the latest complete day; the prior window is the 365 days before it; annual figures are complete calendar years. The route to dissolution (strike-off, end of liquidation, merger) is not recorded, so dissolutions are not split. Net formation = companies incorporated in the period (all that were ever registered in it, whether or not they have since been dissolved) minus companies dissolved in the period. The two groups are different companies and are located by different addresses, current for companies still on the register and last held for dissolved ones. Net formation compares registered offices, not jobs, trading or business closures.

Limitations

Registered offices are not operating locations; many companies are registered at an agent or accountant address.
Registered-office events are not new local employers, closures or job changes.

See Economy

Educationmedium confidence

Higher than Wales: Pupils eligible for free school meals (Wales) (Cardiff figure)

Pupils eligible for free school meals (Wales) is 24.2% in Cardiff council area (2025/26), compared with 20.5% in Wales (3.7 percentage points higher; n = 44,571).

Cardiff figure

24.2% Cardiff figure20.5% Wales

How do we know this?

Source

Welsh Government: Schools census: pupils in maintained schools aged 5 to 15 eligible for free school meals, by local authority (Open Government Licence v3.0)

Period

2025/26

Geography

Council area, compared with Wales

Method

School summaries for Wales and Scotland. Wales and Scotland do not publish the same measures as England, and none are comparable with England's Ofsted, Key Stage 2 or GCSE Attainment 8 figures. For Wales we hold the January pupil census: pupils aged 5 to 15 in maintained schools and the share eligible for free school meals (eligibility rules changed with universal primary meals and transitional protection, so compare years with care). For Scotland we hold school-leaver attainment (share of leavers with five or more awards at SCQF level 5 or level 6) and the share in a positive initial destination, by the council area of the school. These describe the pupils and leavers of schools in the area, not its residents. Percentages for small councils rest on small numbers of leavers.

Limitations

Excludes pupils who are only transitionally protected.
Cardiff South and Penarth covers parts of 2 council areas (Cardiff 65%, Vale of Glamorgan 35%); the figure shown is for Cardiff only, not for the whole constituency.
This figure is for the Cardiff council area, not for Cardiff South and Penarth itself.

See Education

Economymedium confidence

Larger share in "Financial and insurance activities": Jobs by industry (SIC section) (Cardiff figure)

In the breakdown "Jobs by industry (SIC section)" (2024), "Financial and insurance activities" makes up 7.6% in Cardiff council area, compared with 2.6% in Wales.

Cardiff figure

7.6% Cardiff figure2.6% Wales

How do we know this?

Source

not recorded

Period

2024

Geography

Council area, compared with Wales

Method

Employment by industry (BRES). BRES is the official source of employee and employment estimates by detailed industry and area. Employment is employees plus working owners, counted at the place of work and in the survey week in September. It covers all sectors except small farm agriculture, and the self-employed who are not registered for PAYE or VAT. ONS rounds BRES employment and suppresses small cells, so industry sums may not add to the total. Jobs here are not residents: people may live elsewhere. Part-time and full-time jobs count equally (they are not full-time equivalents).

Limitations

Cardiff South and Penarth covers parts of 2 council areas (Cardiff 65%, Vale of Glamorgan 35%); the figure shown is for Cardiff only, not for the whole constituency.
This figure is for the Cardiff council area, not for Cardiff South and Penarth itself.

See Economy

What's changing in Cardiff and Vale of Glamorgan (the council areas it covers)

See the full timeline

The constituency itself has no dated records, so these are from the council areas it covers parts of (Cardiff and Vale of Glamorgan), not from the constituency alone. They are events, not judgements.

No records for this constituency: council areas shown

4 Nov 2026
Company incorporated New company registered: Padget House LimitedRegistered office in Vale of Glamorgan, which is not necessarily where it operates
4 Nov 2026
Company incorporated New company registered: Fsb Gamma LimitedRegistered office in Vale of Glamorgan, which is not necessarily where it operates
4 Nov 2026
Company incorporated New company registered: Kamrin Auto & Tyres LtdRegistered office in Vale of Glamorgan, which is not necessarily where it operates
4 Nov 2026
Company incorporated New company registered: Starline Apartment Cleaning LtdRegistered office in Vale of Glamorgan, which is not necessarily where it operates

Ask a question about Cardiff South and Penarth

Answers are worked out from the figures on these pages, not written by a chatbot, and each one lists its evidence.

Sources used on this page

Charity Commission for England and Wales; OSCR (Scotland); Charity Commission for Northern Ireland: Registers of charities (registered address, latest income, charitable purposes)Period: CCEW extract 4 Oct 2026; OSCR 7 Oct 2026 · Published: 4 Oct 2026 · Coverage: United Kingdom (registered charities) · Licence: Open Government Licence v3.0 (Charity Commission, OSCR and CCNI terms apply: not the register itself, no direct marketing)
Police forces of England and Wales via data.police.uk: Street-level crime (12 monthly files)Period: May 2025 to Apr 2026 · Published: Jun 2026 · Coverage: England and Wales except Greater Manchester Police (no data in the loaded files); Northern Ireland records have no LSOA · Licence: Open Government Licence v3.0
Companies House: Free Company Data Product (basic company data), snapshotPeriod: snapshot 2 Oct 2026 · Published: 2 Oct 2026 · Coverage: UK companies on the register (registered office postcode) · Licence: Open Government Licence v3.0 (Free Company Data Product)
HM Land Registry: Price Paid Data (standard price paid, category A)Period: sales to 31 Mar 2026 · Published: Apr 2026 · Coverage: England and Wales · Licence: Open Government Licence v3.0 (HM Land Registry Price Paid Data, Crown copyright)
Office for National Statistics: Lower layer Super Output Area mid-year population estimates by single year of age (mid-2022 revised, mid-2023, mid-2024)Period: mid-2022 (revised), mid-2023, mid-2024 · Published: 7 Nov 2025 · Coverage: England and Wales (LSOA 2021) · Licence: Open Government Licence v3.0
Welsh Government: Schools census: pupils in maintained schools aged 5 to 15 eligible for free school meals, by local authorityPeriod: academic years 2024/25 and 2025/26 (January pupil census) · Published: 5 Aug 2026 · Coverage: Wales: 22 local authorities and Wales · Licence: Open Government Licence v3.0
Office for National Statistics: Price Index of Private Rents, UK: monthly price statisticsPeriod: monthly, January 2015 to the latest month in the release; 36 months held · Published: 16 Sep 2026 · Coverage: UK local authorities (England, Wales, Scotland), English regions and countries; Northern Ireland not held · Licence: Open Government Licence v3.0
Office for National Statistics: Census 2021 bulk tables via Nomis: TS054 tenure, TS045 cars, TS044 accommodation type, TS017 household size, TS052 occupancy rating (bedrooms), TS037 general health, TS067 highest qualificationPeriod: 21 March 2021 · Published: 2023 · Coverage: Local authorities of Wales (22) and Wales; qualifications also for England and its local authorities · Licence: Open Government Licence v3.0
Companies House: Companies House streaming API (live), combined with the basic company data snapshot of 2 Oct 2026Period: incorporations to 4 Nov 2026 (stream timepoint 121313916, newest event published 5 Nov 2026T04:15:18) · Published: 5 Nov 2026 · Coverage: UK companies (registered office postcode)
Companies House: Dissolved companies: advanced search API (one query per dissolution day since 2010), topped up from the live streaming feed; incorporations from the register snapshot of 2 Oct 2026Period: dissolutions 5 Nov 2024 to 4 Nov 2026; annual series 2010 to 2025 · Published: 5 Nov 2026 · Coverage: UK companies (registered office postcode)

Registered offices are not operating locations. Ranks and deciles are never averaged. Census 2021 figures are labelled 2021.