Crime Rates at The Dell, St Mellons, Cardiff, CF3 5DL

The Dell area has the 16th lowest crime rate of 66 local areas in Pontprennau and Old St Mellons , and the 295th 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 The Dell (CF3 5DL) in the last 12 months was 34.0 per 1,000 residents and was 45.8% lower than the Pontprennau and Old St Mellons average (62.6 per 1,000 residents). In the last 12 months, this area’s most reported crimes were Violence and sexual offences with 3 offences recorded. The least common crime was Burglary with 1 case , down -50.0% compared to 2025. All major crime categories fell. The sharpest drop was Burglary ( -50.0% YoY).

Violent crimes totalled 5 (≈ 15.4 per 1,000 residents). Year-over-year these were falling ( -28.6% ). Over the last decade, overall crime has falling ( -86.4% comparing early vs recent averages) .

In the area around The Dell (CF3 5DL), the main crime hotspot is near Drawlings Close. Police recorded 27 crimes here, including 16 violent or public-order offences. All these locations are within roughly 0.3 miles.