Total Crime Rate
17.8 per 1,000
All offences · May 2025 - Apr 2026Violent Crime Rate
3.0 per 1,000
May 2025 - Apr 2026Allt Y Wennol area has the 8th lowest crime rate of 66 local areas in Pontprennau and Old St Mellons , and the 143rd lowest crime rate of 1,013 local areas in Cardiff .
Compared with the surrounding streets, this postcode does not stand out as either a particular hotspot or an unusually safe pocket. Crime levels in the neighbouring output areas are broadly in line with this area.
The overall crime rate in the area around Allt Y Wennol (CF23 8AS) in the last 12 months was 17.8 per 1,000 residents and was 71.6% 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 Anti-social behaviour with 3 offences recorded. The least common crime was Violent crimes with 1 case , down -66.7% compared to 2025. All major crime categories fell. The sharpest drop was Violent crimes ( -66.7% YoY).
Violent crimes totalled 1 (≈ 3.0 per 1,000 residents). Year-over-year these were falling ( -66.7% ). Over the last decade, overall crime has falling ( -72.9% comparing early vs recent averages) .
In the area around Allt Y Wennol (CF23 8AS), the main crime hotspot is near Leacroft Place. Police recorded 22 crimes here, including 17 violent or public-order offences. All these locations are within roughly 0.3 miles.
View Crime In Cardiff| Month | Crime | Location* | Last Outcome |
|---|---|---|---|
| Apr 2026 | Public order | Claverton Way | Unable to prosecute suspect |
| Apr 2026 | Other theft | Clos Nant Coslech | Under investigation |
| Apr 2026 | Violence and sexual offences | Marle Close | Unable to prosecute suspect |
| Apr 2026 | Vehicle crime | Almond Drive | Investigation complete; no suspect identified |
| Apr 2026 | Anti-social behaviour | Oakford Close | — |
| Apr 2026 | Violence and sexual offences | Marle Close | Under investigation |
| Apr 2026 | Anti-social behaviour | Claverton Way | — |
| Apr 2026 | Violence and sexual offences | Chamomile Close | Unable to prosecute suspect |
| Apr 2026 | Vehicle crime | Marle Close | Under investigation |
| Apr 2026 | Violence and sexual offences | Clos Nant Ddu | Under investigation |
StreetScan crime figures are based on official UK open data:
Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright and database right.