Crime Rates at Llanrumney Avenue, Llanrumney, Cardiff, CF3 4ER

Llanrumney Avenue area has the 19th lowest crime rate of 61 local areas in Llanrumney , and the 401st lowest crime rate of 1,013 local areas in Cardiff .

This postcode forms a relatively safe pocket compared with the surrounding streets. Neighbouring areas record much higher crime levels, even though this postcode itself remains comparatively low-crime.

The overall crime rate in the area around Llanrumney Avenue (CF3 4ER) in the last 12 months was 48.5 per 1,000 residents and was 55.8% lower than the Llanrumney average (109.9 per 1,000 residents). In the last 12 months, this area’s most reported crimes were Violence and sexual offences with 6 offences recorded. The least common crime was Drugs with 1 case , unchanged from 2025. The fastest-growing crime category was Anti-social behaviour ( 66.7% YoY). Other major crime categories were broadly unchanged compared to 2025.

Violent crimes totalled 7 (≈ 26.1 per 1,000 residents). Year-over-year these were rising ( 40.0% ). Over the last decade, overall crime has falling ( -84.3% comparing early vs recent averages) .

In the area around Llanrumney Avenue (CF3 4ER), the highest concentration of overall crime is near Mount Pleasant Lane, where police recorded 93 incidents. Violent and public-order offences occur most often near Clevedon Road (17 offences). Both locations lie within roughly 0.3 miles of this postcode area.