Crime Rates at Machen Close, St Mellons, Cardiff, CF3 0HE

Machen Close area has the 4th lowest crime rate of 23 local areas in Rumney , and the 291st lowest crime rate of 1,028 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 Machen Close (CF3 0HE) in the last 12 months was 33.5 per 1,000 residents and was 58.1% lower than the Rumney average (79.9 per 1,000 residents). In the last 12 months, this area’s most reported crimes were Criminal damage and arson with 6 offences recorded. The least common crime was Other theft with 1 case , unchanged from 2024. The fastest-growing crime category was Criminal damage and arson ( 500.0% YoY). The sharpest decline was Vehicle crime ( -50.0% YoY).

Violent crimes totalled 4 (≈ 8.4 per 1,000 residents). Year-over-year these were falling ( -20.0% ). Over the last decade, overall crime has falling ( -79.5% comparing early vs recent averages) .

In the area around Machen Close (CF3 0HE), the highest concentration of overall crime is near St Arvans Crescent, where police recorded 42 incidents. Violent and public-order offences occur most often near Syon Park Close (14 offences). Both locations lie within roughly 0.3 miles of this postcode area.