Each edition grades its towns against each other only.
This town in South Glamorgan, Wales has a population of 5,348. Mortgage-free owners make up 48% of households.
Work and incomes lag (C−): mean household income £47,471; 3% of 16 to 64s claim unemployment benefits. With a B− overall, Llantwit Major is better than 46% of UK towns. Its place in the ranking is #6 of 9 in South Glamorgan. Buying the median home, at £287,250, takes 5.8 years of household income in the Vale of Glamorgan council area. It is a safe place by the numbers: 21.4 violent or sexual offences per 1,000 residents a year, plus 6.6 home and vehicle crimes. Elsewhere it is close to typical: B− for health and B for walkability.
Figures: crime, police.uk, averaged Sep 2023 to Aug 2026 · income, ONS · claimants, DWP · prices, HM Land Registry, the last three years · health, Census 2021 (the grade adjusts for age) · commuting, Census 2021.
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 Llantwit Major 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 Llantwit Major is from typical. American towns are graded separately.
How TownRatings grades towns →
Cadw lists 54 buildings inside Llantwit Major’s built-up area, 1 of them Grade I, and 5 scheduled monuments.
8% of its homes were built before 1919, against 15% in the typical UK town.
The archive holds 2 old photos and postcards going back to 1835.
Data highlights are ordered by what stands out in Llantwit Major.
Graduates make up nearly two in five adults. 28% of residents are 65 or over, above both South Glamorgan’s towns (16%) and Wales’s towns (21%). Half of Llantwit Major is older than 50.3, half younger.
53% women, 47% men
About 89 men for every 100 women. Across Wales, 51% of residents are women. Women live longer than men, so towns with many older residents have more women.
| Llantwit Major | South Glamorgan | Wales | |
|---|---|---|---|
| Under 15 | 15% | 17% | 17% |
| 15–24 | 7.9% | 16% | 12% |
| 25–44 | 21% | 27% | 25% |
| 45–64 | 28% | 23% | 26% |
| 65+ | 28% | 16% | 21% |
| No qualifications | 15% | 16% | 20% |
| Apprenticeship | 4.7% | 4.3% | 5.6% |
| A levels or similar | 17% | 19% | 17% |
| Degree level | 39% | 39% | 31% |
ONS Census 2021 · South Glamorgan and Wales: all residents of their built-up areas · OGL
Llantwit Major’s three primaries and one secondary have 1,812 pupils between them. Three of them are below, each with the reason it’s listed.
| School | Level | Pupils | Letter |
|---|---|---|---|
| St Illtyd Primary SchoolLargest primary schoolPrimary | Primary | 348 | – |
| Llantwit Major SchoolLargest secondary schoolSecondary | Secondary | 980 | – |
| Ysgol Gymraeg Dewi SantLargest Welsh-medium schoolPrimary | Primary | 229 | – |
The heritage lists give each building’s grade but not its age, so we don’t say which is oldest.
Before 1919: that is when 8% of homes were built. Llantwit Major’s listed buildings include the Church of St Illtud, Grade I. For its size, Llantwit Major has the second most listed buildings of the towns in South Glamorgan. Of the town’s 54 listed buildings on Cadw’s list, Grade I counts 1 and Grade II* 5.
Cadw list, October 2026 · Valuation Office Agency, homes by build period · OGL
Private renters make up 14% of households, below South Glamorgan’s towns (22%) and Wales’s towns (17%) alike. The social rented sector houses nearly one in ten households. Half of the 206 standard sales inside Llantwit Major’s built-up area from September 2023 to August 2026 went for more than £287,250.
| By type | Median | Sales |
|---|---|---|
| Detached | £380,000 | 67 |
| Semi-detached | £283,000 | 82 |
| Terraced | £220,000 | 49 |
| Flat or maisonette | £135,500 | 8 |
HM Land Registry Price Paid · ONS private rents · MHCLG / Welsh Government council tax · ONS Census 2021 tenure · OGL
Just over two fifths of the crimes fell under violence and sexual offences. In the 12 months to August 2026, police logged 273 crimes and 47 reports of anti-social behaviour inside Llantwit Major’s built-up area. For its size, Llantwit Major records less crime per resident than 66% of the 1,308 UK towns of 2,500 to 10,000 people.
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 · The police category of violence and sexual offences includes harassment and stalking.
The Census was taken on 21 March 2021, in lockdown, so 32% of workers were mainly at home; shares here are of those who travelled.
The census found 15% of commuters going to work on foot, by bike or by public transport. Work in town: just over a tenth of resident commuters. Driving is how 83% of commuters got to work at the census.
ONS Census 2021, method of travel and distance to work · ONS small-area income · DWP claimant count · OGL
The nearest A&E to Llantwit Major is Princess of Wales Hospital, 8.5 miles away. One GP practice serves the town. Life expectancy here is 86.9 for women and 79.5 for men (2019–23).
| Census 2021 | Llantwit Major | South Glamorgan | Wales |
|---|---|---|---|
| Good or very good health | 81% | 81% | 78% |
| Bad or very bad health | 5.6% | 6% | 7.1% |
| Disabled (Equality Act) | 21% | 19% | 22% |
ONS Census 2021, general health and disability · ONS, life expectancy 2019–23 · OGL · Read these answers with age in mind: they aren’t adjusted, so younger places do better. The Health Grade uses age-adjusted measures, life expectancy among them.
Museums, castles, gardens and days out in and near Llantwit Major. Best known first.
CastleSt Donats Castle2.9 km outside town, to the west
Castle · CadwOld Beaupre Castle4.2 km outside town, to the northeast
Castle · CadwSt Quintin's Castle5 km outside town, to the north
CastleBoverton Castle600 m outside town, to the eastMuseumMuseumSouth Wales Aviation Museum2.4 km outside town, to the northeastMuseumMuseumSouth Wales Aviation Musuem2.3 km outside town, to the northeastPhotos: each place’s Wikidata image, from Wikimedia Commons under the licence below (our copy, resized).
54 listed buildings in Llantwit Major, 1 of them Grade I.
Church of St Illtud: Photo: John Salmon · CC BY-SA 2.0 · The Town Hall: Photo: Colin Smith · CC BY-SA 2.0 · Old Swan Inn PH: Photo: Reading Tom from Reading, UK · CC BY 2.0 · Bethel Baptist Church: Photo: Sionk · CC BY-SA 4.0
The nearest built-up areas, from ONS’s 2022 boundaries. See them on the map →
| Town | People | Miles | Overall | Cost | Safety | Health |
|---|---|---|---|---|---|---|
| Llantwit Major | 5,348 | — | B− | C+ | B | B− |
| Boverton | 2,740 | 0.6 | B− | C+ | B | B− |
| Eglwys-Brewis | 3,300 | 2.3 | B− | B+ | B− | C+ |
| St Athan | 1,594 | 2.8 | — | C | C+ | C+ |
| Cowbridge | 3,649 | 3.9 | A− | D | A− | A |
| Rhoose | 6,776 | 5.9 | C+ | C | B | B− |
| Ogmore-by-Sea | 1,356 | 7.5 | — | D | A | A |
| Llanharry | 3,747 | 7.7 | C+ | C+ | B | C+ |
St Athan and Ogmore-by-Sea have fewer than 2,500 residents, so they get subject grades but no overall grade. People: Census 2021. Miles: centre to centre.
54 on Cadw’s list, 1 of them Grade I and 5 Grade II*. That is 4.1 times the typical UK town for its size. Its Grade I building is Church of St Illtud.
Surface water isn’t included. Check a specific address on Natural Resources Wales’s flood risk service.
Town in South Glamorgan, Wales
Llantwit Major is a built-up area of 5,348 people, in the Vale of Glamorgan 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.