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Llanelli South

Middle area

South Carmarthenshire. 10,137 people (mid-2024 estimate) in 4.7 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 Llanelli South live in a 1 km square that the radon atlas marks as a radon Affected Area.

Median sale price
£127,000
Joint 208th cheapest of 7,259
Worked out by Open Index
Population
10,309
Joint 939th 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
96.9%
UK 87.8%
Ofcom · Jan 2026

Recorded crime in Llanelli South

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Llanelli South at a rate of 180.0 per 1,000 people.

That compares with 86.7 per 1,000 people across Carmarthenshire.

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 offences787
Other crime276
Anti-social behaviour269
Criminal damage and arson177
Shoplifting130
Burglary61
Drug offences61
Vehicle crime47
Theft from the person10
Robbery7

Source: police.uk, 12 months to August 2026

How Llanelli South compares

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

Llanelli SouthMiddle
Median sale price25 middle areas, Carmarthenshire · 2025
Median sale price: every middle area in Carmarthenshire25 areas from £127,000 to £290,000. The middle area is £199,500. Llanelli South is £127,000.
£127,000cheapest
Population25 middle areas, Carmarthenshire · 2021
Population: every middle area in Carmarthenshire25 areas from 5,195 to 12,255. The middle area is 7,435. Llanelli South is 10,309.
10,3092nd most populated
People in radon Affected Area squares25 middle areas, Carmarthenshire · 2022
People in radon Affected Area squares: every middle area in Carmarthenshire25 areas from 27.0% to 100.0%. The middle area is 100.0%. Llanelli South is 100.0%.
100%joint most people in radon Affected Areas
Gigabit broadband coverage25 middle areas, Carmarthenshire · Jan 2026
Gigabit broadband coverage: every middle area in Carmarthenshire25 areas from 24.5% to 97.2%. The middle area is 82.1%. Llanelli South is 96.9%.
96.9%2nd highest

Is Llanelli South safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Llanelli South at a rate of 180.0 per 1,000 people.

That compares with 86.7 per 1,000 people across Carmarthenshire.

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

In August 2026 alone, 160 cases of crime and anti-social behaviour were recorded in Llanelli South.

In the 12 months to August 2026, the most common types were violence and sexual offences (787), other crime (276) and anti-social behaviour (269).

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 Carmarthenshire

These figures are published for the whole of Carmarthenshire, not for each middle area, so they describe all of Carmarthenshire and not Llanelli South alone. See Carmarthenshire

Average house price
£195,263
Up 2.7% in a year
HM Land Registry · Aug 2026
Median full-time pay
£37,405
138th lowest paid of 348
ONS earnings survey · 2025
House price to pay
5.2×
Joint 53rd most affordable of 348
Worked out by Open Index
Population estimate
190,037
Down 0.2% in a year
ONS population estimates · 2025
Llanelli South in brief

The median price paid for a home in Llanelli South was £127,000 in 2025.

Llanelli South had 10,309 usual residents at the census.

About 100% of people in Llanelli South live in a 1 km square that the radon atlas marks as a radon Affected Area.

In Llanelli South, 96.9% of homes and businesses could get gigabit-capable broadband in January 2026.