Treharris crime figures: 27 offences reported in September, down 32% on August

Treharris recorded 27 crimes and anti-social behaviour incidents in September 2026, down 32% on August (40), according to the latest street-level figures published by South Wales Police.

The most commonly reported category was anti-social behaviour, with 10 reports, or 37% of the total, followed by violence and sexual offences (7) and public order (3).

Neighbourhood officers currently list antisocial behaviour/e-scooters/off road bikes – treharris square as their priorities for the area.

The figures by category

Category	September	August	Change
Anti-social behaviour	10	13	−3
Violence and sexual offences	7	8	−1
Public order	3	4	−1
Other theft	2	2	0
Vehicle crime	2	2	0
Criminal damage and arson	2	1	+1
Other crime	1	3	−2
Shoplifting	0	5	−5
Possession of weapons	0	1	−1
Burglary	0	1	−1
Total	27	40	−13

Where it was reported

1. On or near Williams Terrace: 5
2. On or near Forest Grove: 3
3. On or near Twynygarreg: 3
4. On or near Penn Street: 2
5. On or near Westwood Drive: 2
6. On or near Springfield Rise: 1

Police move each report to a nearby anonymised point before publishing, so “on or near” a street does not mean the incident happened on that street.

What has happened since

• Under investigation: 15
• Unable to prosecute suspect: 1
• Investigation complete; no suspect identified: 1

Figures are from South Wales Police street-level data on data.police.uk, published monthly about two months in arrears. They count reports, not convictions, and can be revised.