Crime in Treharris: statistics, rates and trends
342 crimes were recorded in Treharris in the 12 months to July 2026, 55.1 per 1,000 residents. That is lower than the England and Wales rate of 96.4, and down 13% on the year before.
Table of Contents
- Crime in Treharris at a glance
- Crime trends in Treharris
- Types of crime in Treharris
- Treharris compared with nearby towns
- Areas within Treharris
- Streets with the most crime in Treharris
- What happened after crimes were reported in Treharris
- Population and deprivation in Treharris
- Questions about crime in Treharris
- About this data
342 crimes were recorded in Treharris in the 12 months to July 2026, 55.1 per 1,000 residents. That is lower than the England and Wales rate of 96.4, and down 13% on the year before. The most common offence was violence and sexual offences, with 142 reports (42% of the total).
Of the 1,408 towns covered by this site, Treharris has the 1,061st highest crime rate.
| Measure | Treharris | Merthyr Tydfil | England and Wales |
|---|---|---|---|
| Crimes, the 12 months to July 2026 | 342 | 6,367 | 5,665,700 |
| Crimes per 1,000 residents | 55.1 | 108.0 | 96.4 |
| Change on previous 12 months | -13% | -3% | -1% |
| Population | 6,206 | 58,972 | 58,797,018 |
Recorded crime in Treharris was highest in the year to July 2019 (499 crimes) and lowest in the year to July 2026 (342). Over the whole period it fell 15%, against a fall of 4% across England and Wales. Rates use today's population for every year, so they show the direction of change rather than exact historic rates.
| Period | Crimes | Per 1,000 | England and Wales per 1,000 |
|---|---|---|---|
| Year to July 2026 | 342 | 55.1 | 96.4 |
| Year to July 2025 | 392 | 63.2 | 97.1 |
| Year to July 2024 | 450 | 72.5 | 97.7 |
| Year to July 2023 | 432 | 69.6 | 5.2 |
| Year to July 2022 | 343 | 55.3 | 101.3 |
| Year to July 2021 | 445 | 71.7 | 102.1 |
| Year to July 2020 | 420 | 67.7 | 101.9 |
| Year to July 2019 | 499 | 80.4 | 101.5 |
| Year to July 2018 | 404 | 65.1 | 100.6 |
Month by month
| Month | Crimes |
|---|---|
| July 2026 | 50 |
| June 2026 | 25 |
| May 2026 | 32 |
| April 2026 | 32 |
| March 2026 | 26 |
| February 2026 | 23 |
| January 2026 | 27 |
| December 2025 | 27 |
| November 2025 | 24 |
| October 2025 | 24 |
| September 2025 | 24 |
| August 2025 | 28 |
The table shows every category of crime recorded in Treharris over the 12 months to July 2026. The index compares the local rate with England and Wales: 1.00 is the national rate, 2.00 is double it. The largest falls were in criminal damage and arson (-19%) and anti-social behaviour (-18%).
| Crime type | Crimes | Per 1,000 | Index (E&W = 1.00) | Change on year |
|---|---|---|---|---|
| Violence and sexual offences | 142 | 22.9 | 0.67 | -10% |
| Anti-social behaviour | 50 | 8.1 | 0.53 | -18% |
| Public order | 39 | 6.3 | 0.95 | -5% |
| Criminal damage and arson | 34 | 5.5 | 0.81 | -19% |
| Vehicle crime | 28 | 4.5 | 0.92 | +8% |
| Other theft | 18 | 2.9 | 0.45 | +12% |
| Other crime | 12 | 1.9 | 0.92 | -8% |
| Burglary | 11 | 1.8 | 0.50 | +175% |
| Shoplifting | 4 | 0.6 | 0.08 | -69% |
| Drugs | 2 | 0.3 | 0.10 | -88% |
| Bicycle theft | 1 | 0.2 | 0.20 | n/a |
| Possession of weapons | 1 | 0.2 | 0.17 | n/a |
Violence and sexual offences in Treharris
Violence and sexual offences covers offences against the person, from common assault to homicide, and sexual offences. Treharris recorded 142 reports in the 12 months to July 2026 (22.9 per 1,000 residents), lower than the England and Wales rate of 34.2, and down 10% on the year before. It made up 41.5% of all crime in the area.
Anti-social behaviour in Treharris
Anti-social behaviour covers personal, environmental and nuisance anti-social behaviour. Treharris recorded 50 reports in the 12 months to July 2026 (8.1 per 1,000 residents), lower than the England and Wales rate of 15.3, and down 18% on the year before. It made up 14.6% of all crime in the area.
Public order in Treharris
Public order covers offences that cause fear, alarm or distress. Treharris recorded 39 reports in the 12 months to July 2026 (6.3 per 1,000 residents), close to the England and Wales rate of 6.6, and down 5% on the year before. It made up 11.4% of all crime in the area.
Criminal damage and arson in Treharris
Criminal damage and arson covers deliberate damage to property, including setting fire to it. Treharris recorded 34 reports in the 12 months to July 2026 (5.5 per 1,000 residents), lower than the England and Wales rate of 6.8, and down 19% on the year before. It made up 9.9% of all crime in the area.
Vehicle crime in Treharris
Vehicle crime covers theft of or from a vehicle, and interfering with a vehicle. Treharris recorded 28 reports in the 12 months to July 2026 (4.5 per 1,000 residents), close to the England and Wales rate of 4.9, and up 8% on the year before. It made up 8.2% of all crime in the area.
Other theft in Treharris
Other theft covers theft not covered by another category, such as theft by an employee or of unattended items. Treharris recorded 18 reports in the 12 months to July 2026 (2.9 per 1,000 residents), lower than the England and Wales rate of 6.4, and up 12% on the year before. It made up 5.3% of all crime in the area.
Other crime in Treharris
Other crime covers offences not covered by another category, such as forgery and perjury. Treharris recorded 12 reports in the 12 months to July 2026 (1.9 per 1,000 residents), close to the England and Wales rate of 2.1, and down 8% on the year before. It made up 3.5% of all crime in the area.
Burglary in Treharris
Burglary covers entering a home or other building as a trespasser to steal, or with intent to steal. Treharris recorded 11 reports in the 12 months to July 2026 (1.8 per 1,000 residents), lower than the England and Wales rate of 3.5, and up 175% on the year before. It made up 3.2% of all crime in the area.
Shoplifting in Treharris
Shoplifting covers theft from shops or stalls. Treharris recorded 4 reports in the 12 months to July 2026 (0.6 per 1,000 residents), lower than the England and Wales rate of 8.3, and down 69% on the year before. It made up 1.2% of all crime in the area.
Drugs in Treharris
Drugs covers possession, supply and production of controlled drugs. Treharris recorded 2 reports in the 12 months to July 2026 (0.3 per 1,000 residents), lower than the England and Wales rate of 3.3, and down 88% on the year before. It made up 0.6% of all crime in the area.
Bicycle theft in Treharris
Bicycle theft covers the taking of a bicycle without the owner's consent. Treharris recorded 1 report in the 12 months to July 2026 (0.2 per 1,000 residents), lower than the England and Wales rate of 0.8, and with no comparable figure for the year before. It made up 0.3% of all crime in the area.
Possession of weapons in Treharris
Possession of weapons covers carrying or possessing a weapon such as a firearm or knife. Treharris recorded 1 report in the 12 months to July 2026 (0.2 per 1,000 residents), lower than the England and Wales rate of 1.0, and with no comparable figure for the year before. It made up 0.3% of all crime in the area.
Crime rates in the towns closest to Treharris, for the 12 months to July 2026. The last column shows each area's rate relative to Treharris.
| Town | Crimes | Per 1,000 | Rate vs Treharris |
|---|---|---|---|
| Mountain Ash | 1,051 | 87.8 | +59% |
| Ystrad Mynach | 1,277 | 113.9 | +107% |
| Bargod | 991 | 122.4 | +122% |
| Blackwood | 1,641 | 144.9 | +163% |
| Pontypridd | 3,565 | 104.9 | +90% |
| Abertridwr and Senghenydd | 548 | 85.8 | +56% |
| Pontllanfraith | 978 | 96.8 | +76% |
| Porth | 1,262 | 97.9 | +78% |
1 areas within Treharris, ordered by crime rate over the 12 months to July 2026. Treharris had the highest rate (55.1 per 1,000) and Treharris the lowest (55.1). Busy town and city centres often show high rates because many of the people there do not live there.
| Area | Type | Population | Crimes | Per 1,000 |
|---|---|---|---|---|
| Treharris | Neighbourhood | 6,206 | 342 | 55.1 |
Police.uk records each crime at an approximate location, usually the centre of a nearby street or a landmark, to protect victims' privacy. These are the locations with the most reports in Treharris over the 12 months to July 2026.
| Location | Crimes |
|---|---|
| On or near Twynygarreg | 24 |
| On or near Navigation Close | 18 |
| On or near Pritchard Street | 16 |
| On or near Sports/Recreation Area | 16 |
| On or near Hilltop Close | 12 |
| On or near Fir Tree Drive | 11 |
| On or near Tram Road Side | 11 |
| On or near Williams Terrace | 11 |
| On or near Pantanas | 10 |
| On or near Ashgrove | 9 |
The latest recorded outcome for crimes in Treharris over the 12 months to July 2026. Many cases are still open when the data is published, and anti-social behaviour has no outcome recorded, so these shares change as investigations finish.
| Outcome | Crimes | Share |
|---|---|---|
| Unable to prosecute suspect | 113 | 33.0% |
| Investigation complete; no suspect identified | 72 | 21.1% |
| Under investigation | 62 | 18.1% |
| Not recorded | 50 | 14.6% |
| Status update unavailable | 16 | 4.7% |
| Awaiting court outcome | 9 | 2.6% |
| Local resolution | 7 | 2.0% |
| Court result unavailable | 6 | 1.8% |
| Further investigation is not in the public interest | 3 | 0.9% |
| Formal action is not in the public interest | 2 | 0.6% |
| Action to be taken by another organisation | 1 | 0.3% |
| Further action is not in the public interest | 1 | 0.3% |
Treharris has an estimated population of 6,206. On the Wales WIMD 2025, the average neighbourhood in Treharris sits in decile 5.5, close to the middle. Deprivation and recorded crime are linked, but many other factors shape local crime rates.
| Measure | Treharris |
|---|---|
| Aged 0 to 15 | 16.9% |
| Aged 16 to 64 | 61.0% |
| Aged 65 and over | 22.0% |
| Homes owned outright or with a mortgage | 73.4% |
| Social rented homes | 11.7% |
| Private rented homes | 14.9% |
| Average deprivation decile (1 = most deprived, 10 = least) | 5.5 |
Is Treharris a safe place to live?
Treharris recorded 55.1 crimes per 1,000 residents in the 12 months to July 2026, lower than the England and Wales rate of 96.4. Crime is concentrated in a small number of places within most areas, often busy centres and transport hubs, so the rate for a single street can differ a lot from the area as a whole.
What is the most common crime in Treharris?
Violence and sexual offences was the most common category, with 142 reports in the 12 months to July 2026, followed by anti-social behaviour (50).
Is crime in Treharris going up or down?
Recorded crime in Treharris was down 13% on the year before: 342 crimes in the 12 months to July 2026 against 392 in the previous 12 months.
Which police force covers Treharris?
Treharris is policed by South Wales. Non-emergency crimes can be reported online to the force or by calling 101; in an emergency call 999.
How are these crime rates calculated?
Each rate is the number of crimes recorded by the police in the 12 months to July 2026, divided by the resident population and multiplied by 1,000. Crime data is from data.police.uk and population estimates are from the Office for National Statistics.
Figures are police-recorded crime published on data.police.uk, covering August 2017 to July 2026. Each crime is counted in the small area (LSOA) where it was recorded and added up to Treharris. Crimes recorded by British Transport Police are not included.
Population figures are ONS mid-year estimates. See the methodology for details.