Total Crime Rate
107.0 per 1,000
All offences · Oct 2024 - Sep 2025Treharris Street area has the 21st highest crime rate of 51 local areas in Plasnewydd , and the 335th highest crime rate of 1,028 local areas in Cardiff .
Neighbouring streets tend to have noticeably higher crime levels than this postcode. Crime here is lower than the average for the surrounding output areas.
The overall crime rate in the area around Treharris Street (CF24 3HL) in the last 12 months was 107.0 per 1,000 residents and was 9.7% lower than the Plasnewydd average (118.4 per 1,000 residents). In the last 12 months, this area’s most reported crimes were Violence and sexual offences with 7 offences recorded. The least common crime was Criminal damage and arson with 1 case , down -91.7% compared to 2024. The fastest-growing crime category was Anti-social behaviour ( 200.0% YoY). The sharpest decline was Criminal damage and arson ( -91.7% YoY).
Violent crimes totalled 9 (≈ 41.9 per 1,000 residents). Year-over-year these were rising ( 50.0% ). Over the last decade, overall crime has rising ( 31.0% comparing early vs recent averages) .
In the area around Treharris Street (CF24 3HL), the main crime hotspot is near Strathnairn Street. Police recorded 143 crimes here, including 37 violent or public-order offences. All these locations are within roughly 0.3 miles.
View Crime In Plasnewydd| Month | Crime | Location* | Last Outcome |
|---|---|---|---|
| Sep 2025 | Shoplifting | Strathnairn Street | Under investigation |
| Sep 2025 | Other theft | Plasnewydd Square | Under investigation |
| Sep 2025 | Public order | Arran Street | Unable to prosecute suspect |
| Sep 2025 | Vehicle crime | Crofts Street | Under investigation |
| Sep 2025 | Anti-social behaviour | Crofts Street | — |
| Sep 2025 | Burglary | Strathnairn Street | Under investigation |
| Sep 2025 | Shoplifting | Strathnairn Street | Investigation complete; no suspect identified |
| Sep 2025 | Shoplifting | Strathnairn Street | Investigation complete; no suspect identified |
| Sep 2025 | Shoplifting | Strathnairn Street | Investigation complete; no suspect identified |
| Sep 2025 | Shoplifting | Strathnairn Street | Investigation complete; no suspect identified |
| Sep 2025 | Public order | Wellfield Place | Unable to prosecute suspect |
| Sep 2025 | Vehicle crime | Strathnairn Street | Under investigation |
| Sep 2025 | Violence and sexual offences | Strathnairn Street | Under investigation |
| Sep 2025 | Violence and sexual offences | Strathnairn Street | Unable to prosecute suspect |
| Sep 2025 | Other crime | Strathnairn Street | Under investigation |
| Sep 2025 | Criminal damage and arson | Plasnewydd Square | Under investigation |
| Sep 2025 | Vehicle crime | Plasnewydd Square | Investigation complete; no suspect identified |
| Sep 2025 | Burglary | Wellfield Place | Under investigation |
| Sep 2025 | Violence and sexual offences | Cottrell Road | Under investigation |
| Sep 2025 | Violence and sexual offences | Cottrell Road | Under investigation |
| Sep 2025 | Vehicle crime | City Road | Investigation complete; no suspect identified |
| Sep 2025 | Vehicle crime | Wellfield Place | Under investigation |
| Sep 2025 | Vehicle crime | Wellfield Place | Investigation complete; no suspect identified |
| Sep 2025 | Violence and sexual offences | Plasnewydd Road | Unable to prosecute suspect |
| Sep 2025 | Burglary | Penlline Street | Investigation complete; no suspect identified |
| Sep 2025 | Violence and sexual offences | Cowper Place | Under investigation |
| Sep 2025 | Vehicle crime | St Peter'S Street | Investigation complete; no suspect identified |
| Sep 2025 | Vehicle crime | St Peter'S Street | Under investigation |
| Sep 2025 | Other theft | Keppoch Street | Under investigation |
| Sep 2025 | Anti-social behaviour | Bedford Place | — |
StreetScan crime figures are based on official UK open data:
Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright and database right.