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Caerwys, Halkyn & Nannerch

Middle area

West Flintshire. 8,012 people (mid-2024 estimate) in 115 square kilometres.

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Radon Affected Area by middle area

Worked out by Open Index · 2022

Under 1%90% or more

About 100% of people in Caerwys, Halkyn & Nannerch live in a 1 km square that the radon atlas marks as a radon Affected Area.

Median sale price
£285,000
Joint 3,446th cheapest of 7,259
Worked out by Open Index
Population
8,104
Joint 3,369th most populated of 9,448
ONS Census 2021 · 2021
People in radon Affected Area squares
100%
UK 44%
Worked out by Open Index
Gigabit broadband coverage
72.9%
UK 87.8%
Ofcom · Jan 2026

Recorded crime in Caerwys, Halkyn & Nannerch

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Caerwys, Halkyn & Nannerch at a rate of 42.6 per 1,000 people.

That compares with 76.6 per 1,000 people across Flintshire.

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

Recorded by police, 12 months to August 2026
Kind of crimeRecorded
Violence and sexual offences138
Anti-social behaviour98
Other crime48
Criminal damage and arson26
Vehicle crime17
Burglary10
Drug offences4
Robbery0
Shoplifting0
Theft from the person0

Source: police.uk, 12 months to August 2026

How Caerwys, Halkyn & Nannerch compares

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

Caerwys, Halkyn & NannerchMiddle
Median sale price20 middle areas, Flintshire · 2025
Median sale price: every middle area in Flintshire20 areas from £160,000 to £285,000. The middle area is £220,750. Caerwys, Halkyn & Nannerch is £285,000.
£285,000joint most expensive
Population20 middle areas, Flintshire · 2021
Population: every middle area in Flintshire20 areas from 5,131 to 11,669. The middle area is 7,157. Caerwys, Halkyn & Nannerch is 8,104.
8,1047th most populated
People in radon Affected Area squares20 middle areas, Flintshire · 2022
People in radon Affected Area squares: every middle area in Flintshire20 areas from 30.0% to 100.0%. The middle area is 100.0%. Caerwys, Halkyn & Nannerch is 100.0%.
100%joint most people in radon Affected Areas
Gigabit broadband coverage20 middle areas, Flintshire · Jan 2026
Gigabit broadband coverage: every middle area in Flintshire20 areas from 72.9% to 98.2%. The middle area is 91.0%. Caerwys, Halkyn & Nannerch is 72.9%.
72.9%lowest

Is Caerwys, Halkyn & Nannerch safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Caerwys, Halkyn & Nannerch at a rate of 42.6 per 1,000 people.

That compares with 76.6 per 1,000 people across Flintshire.

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

In August 2026 alone, 45 cases of crime and anti-social behaviour were recorded in Caerwys, Halkyn & Nannerch.

In the 12 months to August 2026, the most common types were violence and sexual offences (138), anti-social behaviour (98) and other crime (48).

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 Flintshire

These figures are published for the whole of Flintshire, not for each middle area, so they describe all of Flintshire and not Caerwys, Halkyn & Nannerch alone. See Flintshire

Average house price
£214,882
Up 2.5% in a year
HM Land Registry · Aug 2026
Median full-time pay
£37,505
142nd lowest paid of 348
ONS earnings survey · 2025
House price to pay
5.7×
Joint 72nd most affordable of 348
Worked out by Open Index
Population estimate
155,954
No change in a year
ONS population estimates · 2025
Caerwys, Halkyn & Nannerch in brief

The median price paid for a home in Caerwys, Halkyn & Nannerch was £285,000 in 2025.

Caerwys, Halkyn & Nannerch had 8,104 usual residents at the census.

About 100% of people in Caerwys, Halkyn & Nannerch live in a 1 km square that the radon atlas marks as a radon Affected Area.

In Caerwys, Halkyn & Nannerch, 72.9% of homes and businesses could get gigabit-capable broadband in January 2026.