Total Crime Rate

110.2 per 1,000 8/10 · High

All offences · Oct 2024 - Sep 2025
Latest update: 13.12.2025 Crime figures are sourced from data.police.uk and are typically published with a 3-month delay.
Crime rate per 1000 residents
  • All crimes 110.2 8/10
  • Violence and sexual offences 41.6 8/10
  • Anti-social behaviour 20.8 8/10
  • Criminal damage and arson 14.6 8/10
  • Public order 14.6 8/10
  • Vehicle crime 8.3 7/10
  • Burglary 4.2 5/10
  • Other theft 4.2 4/10
  • Other crime 2.1 1/10
  • Bicycle theft 0.0 1/10
  • Drugs 0.0 1/10
  • Possession of weapons 0.0 1/10
  • Robbery 0.0 1/10
  • Shoplifting 0.0 1/10
  • Theft from the person 0.0 1/10
Values shown per 1,000 residents · Oct 2024 - Sep 2025 · Rating compares this oa to UK peers of the same type.
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Crime overview

Harris Avenue area has the 29th highest crime rate of 66 local areas in Pontprennau and Old St Mellons , and the 326th highest crime rate of 1,028 local areas in Cardiff .

Crime levels at this postcode are much higher than in the adjoining streets, suggesting that most neighbouring areas are relatively safer than this one.

The overall crime rate in the area around Harris Avenue (CF3 1QE) in the last 12 months was 110.2 per 1,000 residents and was 40.4% higher than the Pontprennau and Old St Mellons average (78.5 per 1,000 residents). In the last 12 months, this area’s most reported crimes were Violence and sexual offences with 20 offences recorded. The least common crime was Other crime with 1 case , unchanged from 2024. The fastest-growing crime category was Burglary ( 100.0% YoY). The sharpest decline was Vehicle crime ( -20.0% YoY).

Violent crimes totalled 27 (≈ 56.1 per 1,000 residents). Year-over-year these were rising ( 12.5% ). Over the last decade, overall crime has falling ( -30.6% comparing early vs recent averages) .

In the area around Harris Avenue (CF3 1QE), the main crime hotspot is near Penrhos Crescent. Police recorded 22 crimes here, including 13 violent or public-order offences. All these locations are within roughly 0.3 miles.

View Crime In Pontprennau and Old St Mellons

Crime Over Time in Harris Avenue area

MonthCrimeLocation*Last Outcome
Sep 2025Bicycle theft Llandudno Road Investigation complete; no suspect identified
Sep 2025Violence and sexual offences Llandudno Road Under investigation
Sep 2025Criminal damage and arson Letterston Road Under investigation
Sep 2025Public order Holmsview Close Unable to prosecute suspect
Sep 2025Anti-social behaviour Letterston Road
Sep 2025Anti-social behaviour Harris Avenue
Sep 2025Violence and sexual offences Penrhos Crescent Under investigation
Sep 2025Criminal damage and arson Heron Road Investigation complete; no suspect identified
Sep 2025Criminal damage and arson Heron Road Under investigation
Sep 2025Violence and sexual offences Relf Road Unable to prosecute suspect
Sep 2025Violence and sexual offences Relf Road Under investigation
Sep 2025Violence and sexual offences Llandudno Road Unable to prosecute suspect

Data Sources

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.