Total Crime Rate
36.8 per 1,000
All offences · May 2025 - Apr 2026Violent Crime Rate
20.7 per 1,000
May 2025 - Apr 2026Glyn Eiddew area has the 6th lowest crime rate of 27 local areas in Pentwyn , and the 320th 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 Glyn Eiddew (CF23 7BU) in the last 12 months was 36.8 per 1,000 residents and was 49.1% lower than the Pentwyn average (72.3 per 1,000 residents). In the last 12 months, this area’s most reported crimes were Violence and sexual offences with 7 offences recorded. The least common crime was Anti-social behaviour with 1 case , unchanged from 2025. The fastest-growing crime category was Criminal damage and arson ( 100.0% YoY). The sharpest decline was Violence and sexual offences ( -36.4% YoY).
Violent crimes totalled 9 (≈ 20.7 per 1,000 residents). Year-over-year these were falling ( -25.0% ). Over the last decade, overall crime has falling ( -19.4% comparing early vs recent averages) .
In the area around Glyn Eiddew (CF23 7BU), the highest concentration of overall crime is near Llwyn Castan, where police recorded 25 incidents. Violent and public-order offences occur most often near Waun Fach (15 offences). Both locations lie within roughly 0.3 miles of this postcode area.
View Crime In Cardiff| Month | Crime | Location* | Last Outcome |
|---|---|---|---|
| Apr 2026 | Criminal damage and arson | Llwyn Castan | Investigation complete; no suspect identified |
| Apr 2026 | Public order | Llwyn Castan | Under investigation |
| Apr 2026 | Anti-social behaviour | Bryncyn | — |
| Apr 2026 | Violence and sexual offences | Llwyn Castan | Under investigation |
| Apr 2026 | Violence and sexual offences | Marle Close | Under investigation |
| Apr 2026 | Vehicle crime | Marle Close | Under investigation |
| Apr 2026 | Criminal damage and arson | Llwyn Castan | Unable to prosecute suspect |
| Apr 2026 | Anti-social behaviour | Llwyn Castan | — |
| Apr 2026 | Violence and sexual offences | Bryn Pinwydden | Investigation complete; no suspect identified |
| Apr 2026 | Violence and sexual offences | Chamomile Close | Unable to prosecute suspect |
| Apr 2026 | Violence and sexual offences | Marle Close | Unable to prosecute suspect |
| Apr 2026 | Anti-social behaviour | Oakford Close | — |
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.