Crime Rates at Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

Heol Williams area has the 10th lowest crime rate of 66 local areas in Pontprennau and Old St Mellons , and the 256th 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 Heol Williams (CF3 6AQ) in the last 12 months was 29.2 per 1,000 residents and was 62.9% lower 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 Other crime with 2 offences recorded. The least common crime was Anti-social behaviour with 1 case , unchanged from 2024. The fastest-growing crime category was Bicycle theft ( 100.0% YoY). The sharpest decline was Public order ( -66.7% YoY).

Violent crimes totalled 2 (≈ 5.8 per 1,000 residents). Year-over-year these were falling ( -71.4% ). Over the last decade, overall crime has rising ( 20.0% comparing early vs recent averages) .

In the area around Heol Williams (CF3 6AQ), the main crime hotspot is near Lewis Crescent. Police recorded 47 crimes here, including 19 violent or public-order offences. All these locations are within roughly 0.3 miles.