Crime Rates at Aster Close, St Mellons, Cardiff, CF3 0JB

Aster Close area has the 11th lowest crime rate of 23 local areas in Rumney , and the 233rd 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 Aster Close (CF3 0JB) in the last 12 months was 26.8 per 1,000 residents and was 65.3% lower than the Rumney average (77.3 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 Other crime with 2 cases , unchanged from 2025. All major crime categories fell. The sharpest drop was Violence and sexual offences ( -12.5% YoY).

Violent crimes totalled 7 (≈ 20.8 per 1,000 residents). Year-over-year these were falling ( -12.5% ). Over the last decade, overall crime has falling ( -63.8% comparing early vs recent averages) .

In the area around Aster Close (CF3 0JB), the highest concentration of overall crime is near Syon Park Close, where police recorded 16 incidents. Violent and public-order offences occur most often near Clos-Yr-Onnen (12 offences). Both locations lie within roughly 0.3 miles of this postcode area.