Total Crime Rate
20.7 per 1,000
All offences · Oct 2024 - Sep 2025Heol Y Delyn area has the 17th lowest crime rate of 37 local areas in Lisvane and Thornhill , and the 180th 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 Y Delyn (CF14 0SR) in the last 12 months was 20.7 per 1,000 residents and was 27.5% lower than the Lisvane and Thornhill average (28.5 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 Violence and sexual offences with 1 case , down -50.0% compared to 2024. The fastest-growing crime category was Other crime ( 100.0% YoY). The sharpest decline was Violence and sexual offences ( -50.0% YoY).
Violent crimes totalled 2 (≈ 8.3 per 1,000 residents). Year-over-year these were falling ( -33.3% ). Over the last decade, overall crime has falling ( -47.6% comparing early vs recent averages) .
In the area around Heol Y Delyn (CF14 0SR), the highest concentration of overall crime is near The Woodlands, where police recorded 4 incidents. Violent and public-order offences occur most often near Millwood (2 offences). Both locations lie within roughly 0.3 miles of this postcode area.
View Crime In Lisvane and Thornhill| Month | Crime | Location* | Last Outcome |
|---|---|---|---|
| Sep 2025 | Public order | The Woodlands | Under investigation |
| Sep 2025 | Other crime | Plas Y Delyn | 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.