Llantwit Major
Middle areaSouth west Vale of Glamorgan. 8,741 people (mid-2024 estimate) in 25 square kilometres.
Radon Affected Area by middle area
Worked out by Open Index · 2022
About 100% of people in Llantwit Major live in a 1 km square that the radon atlas marks as a radon Affected Area.
Recorded crime in Llantwit Major
In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Llantwit Major at a rate of 57.5 per 1,000 people.
That compares with 73.3 per 1,000 people across Vale of Glamorgan.
Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.
| Kind of crime | Recorded |
|---|---|
| Violence and sexual offences | 199 |
| Other crime | 107 |
| Anti-social behaviour | 68 |
| Shoplifting | 53 |
| Criminal damage and arson | 35 |
| Burglary | 21 |
| Vehicle crime | 14 |
| Drug offences | 3 |
| Robbery | 3 |
| Theft from the person | 0 |
Source: police.uk, 12 months to August 2026
How Llantwit Major compares
Each dot is a middle area. The black line marks the middle one.
Is Llantwit Major safe? What police records show
In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Llantwit Major at a rate of 57.5 per 1,000 people.
That compares with 73.3 per 1,000 people across Vale of Glamorgan.
Across Wales as a whole, the recorded crime rate was 96.7 per 1,000 people.
In August 2026 alone, 50 cases of crime and anti-social behaviour were recorded in Llantwit Major.
In the 12 months to August 2026, the most common types were violence and sexual offences (199), other crime (107) and anti-social behaviour (68).
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 Vale of Glamorgan
These figures are published for the whole of Vale of Glamorgan, not for each middle area, so they describe all of Vale of Glamorgan and not Llantwit Major alone. See Vale of Glamorgan
Llantwit Major in brief
The median price paid for a home in Llantwit Major was £280,500 in 2025.
Llantwit Major had 8,679 usual residents at the census.
About 100% of people in Llantwit Major live in a 1 km square that the radon atlas marks as a radon Affected Area.
In Llantwit Major, 95.6% of homes and businesses could get gigabit-capable broadband in January 2026.