Total Crime Rate
17.0 per 1,000
All offences · May 2025 - Apr 2026Violent Crime Rate
6.8 per 1,000
May 2025 - Apr 2026Plas Y Delyn area has the 17th lowest crime rate of 36 local areas in Lisvane and Thornhill , and the 131st 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 Plas Y Delyn (CF14 0SS) in the last 12 months was 17.0 per 1,000 residents and was 34.8% lower than the Lisvane and Thornhill average (26.0 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 , unchanged from 2025. All major crime categories fell. The sharpest drop was Other crime ( -50.0% YoY).
Violent crimes totalled 2 (≈ 6.8 per 1,000 residents). Year-over-year these were flat ( 0.0% ). Over the last decade, overall crime has falling ( -78.1% comparing early vs recent averages) .
In the area around Plas Y Delyn (CF14 0SS), the highest concentration of overall crime is near Dderwen Deg, where police recorded 13 incidents. Violent and public-order offences occur most often near Maerdy Lane (6 offences). Both locations lie within roughly 0.3 miles of this postcode area.
View Crime In Cardiff| Month | Crime | Location* | Last Outcome |
|---|---|---|---|
| Apr 2026 | Violence and sexual offences | Cefn Mably Road | Under investigation |
| Apr 2026 | Violence and sexual offences | Maerdy Lane | Unable to prosecute suspect |
| Apr 2026 | Public order | Tyn Y Berllan | Under investigation |
| Apr 2026 | Vehicle crime | Dderwen Deg | Investigation complete; no suspect identified |
| Apr 2026 | Vehicle crime | Cefn Mably Road | 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.