# Llanelli

Town in Carmarthenshire, Wales.

Llanelli is a town in Carmarthenshire, Wales. Median sale price £152,944 in 2025. Recorded crime 142.5 per 1,000 people. About 42,518 people.

Town. Code W45000448. In: [Towns](https://openindex.co.uk/places/towns) › [Carmarthenshire](https://openindex.co.uk/carmarthenshire)

Llanelli is an ONS built-up area: the land built up as one town, whatever council it is in. Figures for Llanelli add up the census output areas (or, for claimants, the neighbourhoods) that sit mostly inside it, so they are close to, but not exactly, the town’s own.

## Key figures

- **Median sale price: £152,944** (2025). The median price paid for a home in Llanelli was £152,944 in 2025. 60th cheapest of 1,092. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026. https://openindex.co.uk/town/llanelli#f-house-sales-median-price
- **Population: 42,143** (2021). Llanelli had 42,143 usual residents at the census (ONS Census 2021). 264th most populated of 1,209. Source: Census 2021, England and Wales and Scotland's Census 2022 and Census 2021, Northern Ireland, 2021. Published 21 July 2026. https://openindex.co.uk/town/llanelli#f-population
- **People in radon Affected Area squares: 100%** (2022). About 100% of people in Llanelli live in a 1 km square that the radon atlas marks as a radon Affected Area. UK 44%. Source: Worked out by Open Index from the UKHSA and BGS radon atlas and census output areas. Published 1 December 2022. https://openindex.co.uk/town/llanelli#f-radon-affected-share
- **Gigabit broadband coverage: 94.5%** (January 2026). In Llanelli, 94.5% of homes and businesses could get gigabit-capable broadband in January 2026 (Ofcom). UK 87.8%. Source: Connected Nations (Ofcom), January 2026. Published 13 May 2026. https://openindex.co.uk/town/llanelli#f-gigabit-coverage

## On the map

- [Radon Affected Area by town](https://openindex.co.uk/map/radon-affected-areas#place=W45000448) (Worked out by Open Index · 2022): About 100% of people in Llanelli live in a 1 km square that the radon atlas marks as a radon Affected Area.
- [Sales per year by town](https://openindex.co.uk/map/house-sales-per-year#place=W45000448) (Worked out by Open Index · 2025): 478 homes were sold in Llanelli in 2025.
- [Crime and ASB by town](https://openindex.co.uk/map/recorded-crime#place=W45000448) (Police recorded crime and outcomes (data.police.uk) · August 2026): Crime and anti-social behaviour for Llanelli.
- [Population by town](https://openindex.co.uk/map/population#place=W45000448) (Census 2021, England and Wales): Llanelli had 42,143 usual residents at the census.

## How Llanelli compares

Each town against every other town the measure covers.

| Measure | Llanelli | Rank | Compared with |
| --- | --- | --- | --- |
| Median sale price | £152,944 | 13th cheapest | 76 towns, Wales · 2025 |
| Population | 42,143 | 8th most populated | 76 towns, Wales · 2021 |
| People in radon Affected Area squares | 100% | joint most people in radon Affected Areas | 76 towns, Wales · 2022 |
| Gigabit broadband coverage | 94.5% | joint 30th highest | 76 towns, Wales · Jan 2026 |

## Is Llanelli safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Llanelli at a rate of 142.5 per 1,000 people.
That compares with 96.7 per 1,000 people across Wales.
In August 2026 alone, 477 cases of crime and anti-social behaviour were recorded in Llanelli.
In the 12 months to August 2026, the most common types were violence and sexual offences (2,520), other crime (971) and anti-social behaviour (816).
A year earlier, the recorded crime rate in Llanelli was 132.1 per 1,000 people.
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.

## Deprivation in Llanelli, neighbourhood by neighbourhood

- Deprivation is ranked by neighbourhood, so Llanelli has no single figure. Of its 26 neighbourhoods with a rank:
- Decile 1 (Wales’s most deprived 10%): 5 neighbourhoods
- Decile 2: 4 neighbourhoods
- Decile 3: 5 neighbourhoods
- Decile 4: 2 neighbourhoods
- Decile 5: 3 neighbourhoods
- Decile 6: 1 neighbourhood
- Decile 7: 1 neighbourhood
- Decile 8: 5 neighbourhoods

Source: Welsh Index of Multiple Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in Wales.

## Neighbourhoods in Llanelli

| Area | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
| --- | --- | --- | --- | --- |
| [Carmarthenshire 019F](https://openindex.co.uk/carmarthenshire/neighbourhood/w01001999) | 2,471 | 41.0 per 1,000 | 8 | 89.4% |
| [Carmarthenshire 020A](https://openindex.co.uk/carmarthenshire/neighbourhood/w01000651) | 1,498 | 72.4 per 1,000 | 6 | 97.8% |
| [Carmarthenshire 020B](https://openindex.co.uk/carmarthenshire/neighbourhood/w01000652) | 1,782 | 150.7 per 1,000 | 3 | 99.7% |
| [Carmarthenshire 020C](https://openindex.co.uk/carmarthenshire/neighbourhood/w01000655) | 1,914 | 171.0 per 1,000 | 2 | 94.7% |
| [Carmarthenshire 022A](https://openindex.co.uk/carmarthenshire/neighbourhood/w01000703) | 1,772 | 172.6 per 1,000 | 3 | 90.4% |
| [Carmarthenshire 022B](https://openindex.co.uk/carmarthenshire/neighbourhood/w01000704) | 1,646 | 63.7 per 1,000 | 8 | 96.1% |
| [Carmarthenshire 022C](https://openindex.co.uk/carmarthenshire/neighbourhood/w01000705) | 1,916 | 113.6 per 1,000 | 3 | 95.5% |
| [Carmarthenshire 023A](https://openindex.co.uk/carmarthenshire/neighbourhood/w01000653) | 1,463 | 111.2 per 1,000 | 8 | 96.7% |
| [Carmarthenshire 023B](https://openindex.co.uk/carmarthenshire/neighbourhood/w01000654) | 1,663 | 346.5 per 1,000 | 3 | 80.1% |
| [Carmarthenshire 023C](https://openindex.co.uk/carmarthenshire/neighbourhood/w01000667) | 2,118 | 64.1 per 1,000 | 8 | 91.8% |
| [Carmarthenshire 024A](https://openindex.co.uk/carmarthenshire/neighbourhood/w01000628) | 1,537 | 377.8 per 1,000 | 7 | 84.2% |
| [Carmarthenshire 024B](https://openindex.co.uk/carmarthenshire/neighbourhood/w01000629) | 1,633 | 58.9 per 1,000 | 4 | 100.0% |
| [Carmarthenshire 024C](https://openindex.co.uk/carmarthenshire/neighbourhood/w01000630) | 1,587 | 81.6 per 1,000 | 5 | 100.0% |
| [Carmarthenshire 024D](https://openindex.co.uk/carmarthenshire/neighbourhood/w01000631) | 1,830 | 145.6 per 1,000 | 1 | 99.5% |
| [Carmarthenshire 025A](https://openindex.co.uk/carmarthenshire/neighbourhood/w01000635) | 2,402 | 53.8 per 1,000 | 8 | 89.7% |
| [Carmarthenshire 025B](https://openindex.co.uk/carmarthenshire/neighbourhood/w01000636) | 2,372 | 78.0 per 1,000 | 5 | 92.9% |
| [Carmarthenshire 025C](https://openindex.co.uk/carmarthenshire/neighbourhood/w01000706) | 1,563 | 153.5 per 1,000 | 4 | 94.1% |
| [Carmarthenshire 025D](https://openindex.co.uk/carmarthenshire/neighbourhood/w01000707) | 1,453 | 61.4 per 1,000 | 2 | 98.9% |
| [Carmarthenshire 025E](https://openindex.co.uk/carmarthenshire/neighbourhood/w01000708) | 1,374 | 199.0 per 1,000 | 1 | 89.2% |
| [Carmarthenshire 026A](https://openindex.co.uk/carmarthenshire/neighbourhood/w01000659) | 1,789 | 142.9 per 1,000 | 2 | 96.4% |
| [Carmarthenshire 026B](https://openindex.co.uk/carmarthenshire/neighbourhood/w01000660) | 1,484 | 147.1 per 1,000 | 2 | 95.1% |
| [Carmarthenshire 026D](https://openindex.co.uk/carmarthenshire/neighbourhood/w01000732) | 1,302 | 118.0 per 1,000 | 3 | 98.0% |
| [Carmarthenshire 026E](https://openindex.co.uk/carmarthenshire/neighbourhood/w01000733) | 1,199 | 426.1 per 1,000 | 1 | 97.2% |
| [Carmarthenshire 026F](https://openindex.co.uk/carmarthenshire/neighbourhood/w01000734) | 1,399 | 170.7 per 1,000 | 1 | 99.4% |
| [Carmarthenshire 026G](https://openindex.co.uk/carmarthenshire/neighbourhood/w01001923) | 1,764 | 86.9 per 1,000 | 5 | 96.6% |
| [Carmarthenshire 026H](https://openindex.co.uk/carmarthenshire/neighbourhood/w01001924) | 1,372 | 245.3 per 1,000 | 1 | 96.2% |

## Your MP

- [Llanelli](https://openindex.co.uk/constituency/llanelli): Dame Nia Griffith (Labour), MP since July 2024.

As of 18 October 2026. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.

## Council

[Carmarthenshire](https://openindex.co.uk/carmarthenshire)

## Postcode districts covering Llanelli

[SA14](https://openindex.co.uk/postcode/sa14), [SA15](https://openindex.co.uk/postcode/sa15)

## Middle areas in Llanelli

[Bynea & Llwynhendy](https://openindex.co.uk/carmarthenshire/bynea-and-llwynhendy), [Dafen & Felin-foel](https://openindex.co.uk/carmarthenshire/dafen-and-felin-foel), [Llanelli Bigyn](https://openindex.co.uk/carmarthenshire/llanelli-bigyn), [Llanelli North](https://openindex.co.uk/carmarthenshire/llanelli-north), [Llanelli South](https://openindex.co.uk/carmarthenshire/llanelli-south), [Llanelli West](https://openindex.co.uk/carmarthenshire/llanelli-west)

## Towns near Llanelli

[Gorseinon](https://openindex.co.uk/town/gorseinon), [Swansea](https://openindex.co.uk/town/swansea), [Ammanford](https://openindex.co.uk/town/ammanford), [Clydach](https://openindex.co.uk/town/clydach), [Neath](https://openindex.co.uk/town/neath), [Baglan](https://openindex.co.uk/town/baglan)

## Llanelli in brief

Llanelli is a town in Carmarthenshire, Wales.
About 42,518 people lived in Llanelli in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £152,944 in 2025 across 478 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 142.5 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in Llanelli was £152,944 in 2025.
Llanelli had 42,143 usual residents at the census.
About 100% of people in Llanelli live in a 1 km square that the radon atlas marks as a radon Affected Area.
In Llanelli, 94.5% of homes and businesses could get gigabit-capable broadband in January 2026.

## About

- Type: Town
- Code: W45000448
- Constituency: [Llanelli †](https://openindex.co.uk/constituency/llanelli)
- Council: [Carmarthenshire †](https://openindex.co.uk/carmarthenshire)
- Nation: [Wales](https://openindex.co.uk/wales)
- Area: 13.40 km²
- People, mid-2024: 42,518*
- Neighbourhoods: 26
- Output areas: 145

* People: worked out by Open Index from neighbourhood estimates, shared out by where people lived at the census (by area in Northern Ireland). This area's edges do not follow neighbourhood edges, so the figure is close but not exact.
† Best fit: the constituency and council this town mostly lies in. Its edges do not follow theirs.

## Next door

[Gorseinon](https://openindex.co.uk/town/gorseinon), [Swansea](https://openindex.co.uk/town/swansea), [Ammanford](https://openindex.co.uk/town/ammanford), [Clydach](https://openindex.co.uk/town/clydach), [Neath](https://openindex.co.uk/town/neath), [Baglan](https://openindex.co.uk/town/baglan)

## Latest updates for Llanelli

- August 2026 house prices published: HM Land Registry and partners · Oct 2026.
- September 2026 rent published: ONS private rents · Oct 2026.
- Dental practices updated: NHS England · Oct 2026.
- Schools updated: Ofsted · Oct 2026.

The same figures as JSON: https://openindex.co.uk/v1/places/W45000448

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/town/llanelli, or to one figure with its anchor, https://openindex.co.uk/town/llanelli#f-house-sales-median-price.

Open Index's own text and the figures it works out are licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source data keeps its publishers' licences, named with each figure. Give each figure's period and source with it.

Snapshot 2026.10.10. The HTML page: https://openindex.co.uk/town/llanelli