Blackmill vs Llanishen

Blackmill has a safety score of 61/100 (Average) and recorded 182 crimes in the last 12 months. Llanishen has a safety score of 8/100 (High Crime) with 987 crimes. Blackmill scores higher on the CrimeRadar safety index.

Blackmill shows a year-on-year crime trend of +16.7% — meaning total crimes rose compared to the same period the prior year. Llanishen shows 0% (falling). A downward trend is a positive sign for an area.

In Blackmill, the most recorded crime category over the last 12 months is Violent Crime (121 incidents). In Llanishen, it is Violent Crime (300 incidents). The full breakdown by category is shown in the chart above.

Blackmill recorded 21 anti-social behaviour incidents in the last 12 months, while Llanishen recorded 83. Anti-social behaviour includes rowdiness, nuisance and disorder that disrupts daily life but may not result in a criminal charge.

Violent crime in Blackmill totalled 121 incidents over the last 12 months, compared to 300 in Llanishen. Violent crime includes assault with and without injury, harassment, and public order offences.

In the 12 months prior to the most recent period, Blackmill recorded 156 crimes (now 182, a change of +16.7%). Llanishen recorded 987 crimes previously (now 987, 0%).

The resolution rate is the percentage of recorded crimes that resulted in a formal outcome — such as a charge, caution, penalty notice, or community resolution. Blackmill has a resolution rate of 7.1% and Llanishen has 31.3%. A higher rate indicates police are more frequently resolving reported crimes in that area.

Blackmill falls within the South Wales Police boundary. Llanishen is covered by South Wales Police. Each force operates independently and publishes crime data through the national UK Police API.

CrimeRadar uses 36 months of official recorded crime data from the UK Police API, updated each month. The safety score combines crime volume relative to the force average, year-on-year trend direction, and resolution rate. All figures are based on crimes recorded within each police-defined neighbourhood boundary.

Yes — CrimeRadar has individual crime map pages for both Blackmill and Llanishen. You can view interactive maps, monthly trends and hotspot locations by visiting each neighbourhood's full statistics page linked above.