Total Crime Rate
84.6 per 1,000
All offences · Oct 2024 - Sep 2025Harlech Road area has the 26th highest crime rate of 62 local areas in Llanrumney , and the 423rd 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 Harlech Road (CF3 3HS) in the last 12 months was 84.6 per 1,000 residents and was 21.5% lower than the Llanrumney average (107.7 per 1,000 residents). In the last 12 months, this area’s most reported crimes were Violence and sexual offences with 11 offences recorded. The least common crime was Anti-social behaviour with 1 case , up 100.0% compared to 2024. The fastest-growing crime category was Other crime ( 200.0% YoY). Other major crime categories were broadly unchanged compared to 2024.
Violent crimes totalled 12 (≈ 35.0 per 1,000 residents). Year-over-year these were falling ( -14.3% ). Over the last decade, overall crime has falling ( -30.8% comparing early vs recent averages) .
In the area around Harlech Road (CF3 3HS), the highest concentration of overall crime is near The Avenue, where police recorded 25 incidents. Violent and public-order offences occur most often near Criccieth Road (10 offences). Both locations lie within roughly 0.3 miles of this postcode area.
View Crime In Llanrumney| Month | Crime | Location* | Last Outcome |
|---|---|---|---|
| Sep 2025 | Public order | B4239 | Unable to prosecute suspect |
| Sep 2025 | Criminal damage and arson | Heron Road | Under investigation |
| Sep 2025 | Criminal damage and arson | Heron Road | Investigation complete; no suspect identified |
| Sep 2025 | Public order | The Avenue | Under investigation |
| Sep 2025 | Violence and sexual offences | Harlech Road | Unable to prosecute suspect |
| Sep 2025 | Anti-social behaviour | Harlech Road | — |
| Sep 2025 | Violence and sexual offences | B4239 | Under investigation |
| Sep 2025 | Violence and sexual offences | Dros-Y-Morfa | Further investigation is not in the public interest |
| Sep 2025 | Anti-social behaviour | Pwll Mawr Avenue | — |
| Sep 2025 | Public order | Greenway Avenue | Under investigation |
| Sep 2025 | Vehicle crime | Wentloog Road | Under investigation |
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.