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Cornerswell

Ward

East Vale of Glamorgan. About 5,288 people (mid-2024 estimate) in 1.4 square kilometres.

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Radon Affected Area by ward

Worked out by Open Index · 2022

Under 1%90% or more

About 5% of people in Cornerswell live in a 1 km square that the radon atlas marks as a radon Affected Area.

Population
5,249
2,949th least populated of 8,397
ONS Census 2021 · 2021
People in radon Affected Area squares
5%
UK 44%
Worked out by Open Index
Gigabit broadband coverage
98.3%
UK 87.8%
Ofcom · Jan 2026
Claimant rate
2.3%
UK 3.9%
ONS via Nomis · Aug 2026

How Cornerswell compares

Each dot is a ward. The black line marks the middle one.

CornerswellMiddle
Population24 wards, Vale of Glamorgan · 2021
Population: every ward in Vale of Glamorgan24 areas from 1,927 to 9,940. The middle area is 5,368. Cornerswell is 5,249.
5,24912th least populated
People in radon Affected Area squares24 wards, Vale of Glamorgan · 2022
People in radon Affected Area squares: every ward in Vale of Glamorgan24 areas from 5.0% to 100.0%. The middle area is 100.0%. Cornerswell is 5.0%.
5%fewest people in radon Affected Areas
Gigabit broadband coverage24 wards, Vale of Glamorgan · Jan 2026
Gigabit broadband coverage: every ward in Vale of Glamorgan24 areas from 59.5% to 100.0%. The middle area is 94.0%. Cornerswell is 98.3%.
98.3%5th highest
Claimant rate23 wards, Vale of Glamorgan · Aug 2026
Claimant rate: every ward in Vale of Glamorgan23 areas from 1.2% to 6.6%. The middle area is 2.4%. Cornerswell is 2.3%.
2.3%joint 9th lowest

Is Cornerswell safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Cornerswell at a rate of 53.0 per 1,000 people.

That compares with 73.3 per 1,000 people across Vale of Glamorgan.

Across Wales as a whole, the recorded crime rate was 96.7 per 1,000 people.

In August 2026 alone, 16 cases of crime and anti-social behaviour were recorded in Cornerswell.

In the 12 months to August 2026, the most common types were violence and sexual offences (97), other crime (74) and anti-social behaviour (28).

Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.

Rates are per resident, so places that many people work in or visit, such as Westminster, the City of London and other city centres, have far higher rates than their residents alone would suggest.

Figures for the whole of Vale of Glamorgan

These figures are published for the whole of Vale of Glamorgan, not for each ward, so they describe all of Vale of Glamorgan and not Cornerswell alone. See Vale of Glamorgan

Average house price
£300,358
Up 3.2% in a year
HM Land Registry · Aug 2026
Median full-time pay
£38,656
169th highest paid of 348
ONS earnings survey · 2025
House price to pay
7.8×
Joint 140th least affordable of 348
Worked out by Open Index
Population estimate
135,362
No change in a year
ONS population estimates · 2025
Cornerswell in brief

Cornerswell had 5,249 usual residents at the census.

About 5% of people in Cornerswell live in a 1 km square that the radon atlas marks as a radon Affected Area.

In Cornerswell, 98.3% of homes and businesses could get gigabit-capable broadband in January 2026.

In Cornerswell, 2.3% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026.