Each edition grades its towns against each other only.
A town of 4,278 in Dyfed, Wales.
Llangennech grades B− overall against UK towns: better than 47% of UK towns, and #1 of 23 in Dyfed. Its strongest subject is cost of living (B+): median sale £193,000, 4.5 years of area income; rent £687 a month. Its weakest is walkability (D−): 5% of commuters walk, cycle or take public transport.
Dyfed Powys Police published 32 of the 36 months; rates are per year over the months published. This town's Health Grade uses ONS's small-area life expectancy and healthy life expectancy for 2019 to 2023, and two Census 2021 measures, bad health and disability, adjusted for age. English towns' grades also use OHID's small-area early deaths, hospital admissions and child obesity, which OHID publishes for England only.
The 3 things Llangennech does most differently from other towns.
Each subject compared with the 2,160 UK towns with an overall grade (schools within Wales), ordered by how far Llangennech is from typical. American towns are graded separately.
How TownRatings grades towns →
Cadw lists 4 buildings inside Llangennech’s built-up area.
24% of its homes were built before 1919, against 15% in the typical UK town.
The archive holds 1 old photo or postcard going back to 1925.
Explore the history →Data highlights are ordered by what stands out in Llangennech.
The Census was taken on 21 March 2021, in lockdown, so 21% of workers were mainly at home; shares here are of those who travelled.
In the comparison, Llangennech comes above both Dyfed’s towns (83%) and Wales’s towns (81%). 34% of commuters travelled under 5 km to work.
ONS Census 2021, method of travel and distance to work · ONS small-area income · DWP claimant count · OGL
Its one school is below. Wales publishes no school-level results, so its schools have no letters.
| School | Level | Pupils | Letter |
|---|---|---|---|
| Ysgol Gymraeg LlangennechLargest primary schoolPrimary | Primary | 407 | – |
For Llangennech, that is below both Dyfed’s towns (18%) and Wales’s towns (17%). Owners make up 75% of households.
| By type | Median | Sales |
|---|---|---|
| Detached | £263,750 | 56 |
| Semi-detached | £177,500 | 54 |
| Terraced | £141,250 | 28 |
HM Land Registry Price Paid · ONS private rents · MHCLG / Welsh Government council tax · ONS Census 2021 tenure · OGL
The heritage lists give each building’s grade but not its age, so we don’t say which is oldest.
Llangennech has 4 listed buildings inside its built-up area on Cadw’s list: 0 Grade I, 0 Grade II*. 24% of its homes were built before 1919.
Cadw list, October 2026 · Valuation Office Agency, homes by build period · OGL
Llangennech sits below both Dyfed’s towns (39.4) and Wales’s towns (33.8) on this measure. Burglary and damage come to 5.1 per 1,000 residents a year. Police recorded 133 crimes inside Llangennech’s built-up area in the 12 months to August 2026, plus 17 reports of anti-social behaviour.
Not gradedAnti-social behaviour, shoplifting and other theft are shown but left out of the Safety Grade, which counts violence and crimes against homes and vehicles per resident.
data.police.uk street-level crime · points inside the ONS built-up-area boundary · OGL
79% of Llangennech’s residents described their health as good or very good in 2021, against 77% across Dyfed’s towns. These answers aren’t adjusted for age, so young towns look healthier; the Health Grade uses age-adjusted measures, including life expectancy.
| Census 2021 | Llangennech | Dyfed | Wales |
|---|---|---|---|
| Good or very good health | 79% | 77% | 78% |
| Bad or very bad health | 7.1% | 7.4% | 7.1% |
| Disabled (Equality Act) | 22% | 23% | 22% |
ONS Census 2021, general health and disability · ONS, life expectancy 2019–23 · OGL
That puts Llangennech below both Dyfed’s towns (12%) and Wales’s towns (12%). 17% of residents are children under 15. Llangennech has a median age of 45.7.
51% women, 49% men
About 95 men for every 100 women. Across Wales, 51% of residents are women.
| Llangennech | Dyfed | Wales | |
|---|---|---|---|
| Under 15 | 17% | 16% | 17% |
| 15–24 | 11% | 12% | 12% |
| 25–44 | 21% | 22% | 25% |
| 45–64 | 28% | 26% | 26% |
| 65+ | 23% | 24% | 21% |
| No qualifications | 17% | 19% | 20% |
| Apprenticeship | 6% | 6.1% | 5.6% |
| A levels or similar | 16% | 18% | 17% |
| Degree level | 33% | 30% | 31% |
ONS Census 2021 · Dyfed and Wales: all residents of their built-up areas · OGL
Museums, castles, gardens and days out in and near Llangennech. Best known first.
Castle · CadwLoughor Castle2.7 km outside town, to the south
MuseumParc Howard Museum4.4 km outside town, to the westHistoric siteHistoric siteGorseinon Gorsedd Circle3.4 km outside town, to the southeastPhotos: each place’s Wikidata image, from Wikimedia Commons under the licence below (our copy, resized).
4 listed buildings in Llangennech.
Bethesda Chapel: Photo: CapG · CC BY-SA 2.0 · Bethesda Capel Bach: Photo: CapG · CC BY-SA 2.0 · Capel Salem: Photo: Alan Hughes · CC BY-SA 2.0 · Church of St Cennych (aka St Gwynog): Photo: Jaggery · CC BY-SA 2.0
The nearest built-up areas, from ONS’s 2022 boundaries. See them on the map →
| Town | People | Miles | Overall | Cost | Safety | Health |
|---|---|---|---|---|---|---|
| Llangennech | 4,278 | — | B− | B+ | B+ | C+ |
| Bryn | 1,727 | 1.1 | — | B | B+ | C− |
| Hendy and Fforest | 2,996 | 1.8 | C+ | B+ | B | C |
| Grovesend | 1,148 | 2.1 | — | B+ | A− | C− |
| Loughor | 4,632 | 2.3 | B− | B+ | B− | C |
| Gorseinon | 14,114 | 2.5 | C | B+ | B− | C− |
| Pontarddulais | 6,513 | 2.5 | C | B+ | C+ | C− |
| Llanelli | 42,143 | 2.8 | D | A | D− | D− |
Bryn and Grovesend have fewer than 2,500 residents, so they get subject grades but no overall grade. People: Census 2021. Miles: centre to centre.
4 on Cadw’s list.
Surface water isn’t included. Check a specific address on Natural Resources Wales’s flood risk service.
It has less crime than most places its size: less crime per resident than 75% of the 1,308 UK towns of 2,500 to 10,000 people. Police recorded 133 crimes inside Llangennech’s built-up area in the 12 months to August 2026, 54% of them violence and sexual offences, a police category that includes harassment and stalking.
Homes cost less than in most UK towns: the median sale over three years was £193,000, against £277,000 in the typical UK town. By type: terraced houses £141,250, semi-detached houses £177,500 and detached houses £263,750.
Town in Dyfed, Wales
Llangennech is a built-up area of 4,278 people, in the Carmarthenshire council area. TownRatings uses ONS’s 2022 built-up areas as towns: the physical town, as people mean the word, rather than a council district, so its figures cover the town itself.
Built from ONS geography and Census 2021
Sources: ONS Census 2021, output areas summed to the ONS 2022 built-up area · HM Land Registry Price Paid (standard sales, September 2023 to August 2026) · ONS Price Index of Private Rents (August 2026, by council) · MHCLG and Welsh Government council tax, Band D 2026–27 (with parish precepts in England) · data.police.uk street-level crime, 36 months to August 2026, points inside the built-up-area boundary · ONS small-area life expectancy and healthy life expectancy, 2019 to 2023 (England and Wales), OHID Fingertips small-area indicators (England) and Census 2021 health, adjusted for age · ONS small-area income estimates (financial year ending 2023) · DWP claimant count via Nomis (January to August 2026) · Cadw listed buildings, scheduled monuments and registered historic parks and gardens via DataMapWales, October 2026, inside the ONS 2022 built-up-area boundary · Valuation Office Agency, Council Tax: stock of properties by build period (31 March 2025) · TownRatings grades: our own summary of the data, ranked against UK towns only. All under the Open Government Licence v3.0.
Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2026. Contains OS data © Crown copyright and database right 2026 (ONS boundaries). Northern Ireland: Source: NISRA; contains Land & Property Services data and Ordnance Survey of Northern Ireland information, © Crown copyright, licensed under the Open Government Licence v3.0. Scotland: contains National Records of Scotland data, Registers of Scotland data and SEPA data, © Crown copyright / © SEPA 2025, licensed under the Open Government Licence v3.0.