Total Crime Rate
16.5 per 1,000
All offences · Oct 2024 - Sep 2025Heol Nant Castan area has the 8th lowest crime rate of 23 local areas in Rhiwbina , and the 126th lowest crime rate of 1,028 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 Heol Nant Castan (CF14 6RP) in the last 12 months was 16.5 per 1,000 residents and was 49.3% lower than the Rhiwbina average (32.6 per 1,000 residents). In the last 12 months, this area’s most reported crimes were Violence and sexual offences with 2 offences recorded. The least common crime was Anti-social behaviour with 1 case , up 100.0% compared to 2024. The fastest-growing crime category was Anti-social behaviour ( 100.0% YoY). Other major crime categories were broadly unchanged compared to 2024.
Violent crimes totalled 3 (≈ 12.4 per 1,000 residents). Year-over-year these were flat ( 0.0% ). Over the last decade, overall crime has falling ( -64.9% comparing early vs recent averages) .
In the area around Heol Nant Castan (CF14 6RP), the highest concentration of overall crime is near Heol Llanishen Fach, where police recorded 8 incidents. Violent and public-order offences occur most often near Wenallt Court (4 offences). Both locations lie within roughly 0.3 miles of this postcode area.
View Crime In Rhiwbina| Month | Crime | Location* | Last Outcome |
|---|---|---|---|
| Sep 2025 | Violence and sexual offences | Heol Isaf | Under investigation |
| Sep 2025 | Violence and sexual offences | Clos-Mabon | Under investigation |
| Sep 2025 | Violence and sexual offences | Groes Lon | 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.