Total Crime Rate
40.1 per 1,000
All offences · Oct 2024 - Sep 2025The Dell area has the 14th lowest crime rate of 66 local areas in Pontprennau and Old St Mellons , and the 349th 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 The Dell (CF3 5DL) in the last 12 months was 40.1 per 1,000 residents and was 48.9% 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 Violence and sexual offences with 5 offences recorded. The least common crime was Anti-social behaviour with 1 case , unchanged from 2024. The fastest-growing crime category was Criminal damage and arson ( 200.0% YoY). The sharpest decline was Violence and sexual offences ( -54.5% YoY).
Violent crimes totalled 8 (≈ 24.7 per 1,000 residents). Year-over-year these were falling ( -38.5% ). Over the last decade, overall crime has falling ( -61.1% comparing early vs recent averages) .
In the area around The Dell (CF3 5DL), the main crime hotspot is near Blackbirds Way. Police recorded 42 crimes here, including 32 violent or public-order offences. All these locations are within roughly 0.3 miles.
View Crime In Pontprennau and Old St Mellons| Month | Crime | Location* | Last Outcome |
|---|---|---|---|
| Sep 2025 | Criminal damage and arson | Drawlings Close | Under investigation |
| Sep 2025 | Violence and sexual offences | Blackbirds Way | Under investigation |
| Sep 2025 | Anti-social behaviour | Okehampton Avenue | — |
| Sep 2025 | Other crime | Okehampton Avenue | Under investigation |
| Sep 2025 | Anti-social behaviour | Blackbirds Way | — |
| Sep 2025 | Violence and sexual offences | Drawlings Close | Under investigation |
| Sep 2025 | Public order | Drawlings Close | Under investigation |
| Sep 2025 | Criminal damage and arson | Ruperra Close | Under investigation |
| Sep 2025 | Public order | Drawlings Close | Under investigation |
StreetScan crime figures are based on official UK open data:
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