Total Crime Rate
12.3 per 1,000
All offences · Oct 2024 - Sep 2025Bryncyn area has the lowest crime rate of 29 local areas in Pentwyn , and the 83rd lowest crime rate of 1,028 local areas in Cardiff .
This postcode forms a relatively safe pocket compared with the surrounding streets. Neighbouring areas record much higher crime levels, even though this postcode itself remains comparatively low-crime.
The overall crime rate in the area around Bryncyn (CF23 7BH) in the last 12 months was 12.3 per 1,000 residents and was 85.6% lower than the Pentwyn average (85.7 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 , down -75.0% compared to 2024. All major crime categories fell. The sharpest drop was Anti-social behaviour ( -75.0% YoY).
Violent crimes totalled 2 (≈ 6.2 per 1,000 residents). Year-over-year these were falling ( -80.0% ). Over the last decade, overall crime has falling ( -40.8% comparing early vs recent averages) .
In the area around Bryncyn (CF23 7BH), the highest concentration of overall crime is near Pentwyn Drive, where police recorded 112 incidents. Violent and public-order offences occur most often near Waun Fach (19 offences). Both locations lie within roughly 0.3 miles of this postcode area.
View Crime In Pentwyn| Month | Crime | Location* | Last Outcome |
|---|---|---|---|
| Sep 2025 | Violence and sexual offences | Bryn Pinwydden | Under investigation |
| Sep 2025 | Violence and sexual offences | Bryncyn | Further investigation is not in the public interest |
| Sep 2025 | Violence and sexual offences | Heddfaen North | Unable to prosecute suspect |
| Sep 2025 | Violence and sexual offences | Heddfaen North | Unable to prosecute suspect |
| Sep 2025 | Violence and sexual offences | Brynheulog | Under investigation |
| Sep 2025 | Vehicle crime | Pentwyn Drive | Unable to prosecute suspect |
| Sep 2025 | Shoplifting | Pentwyn Drive | Under investigation |
| Sep 2025 | Shoplifting | Pentwyn Drive | Under investigation |
| Sep 2025 | Vehicle crime | Heddfaen South | Under investigation |
| Sep 2025 | Violence and sexual offences | Heddfaen North | Unable to prosecute suspect |
| Sep 2025 | Anti-social behaviour | Brynheulog Court | — |
| Sep 2025 | Violence and sexual offences | Pentwyn Road | Under investigation |
| Sep 2025 | Public order | Brynheulog Court | Local resolution |
| Sep 2025 | Violence and sexual offences | Oakleafe Drive | Under investigation |
| Sep 2025 | Violence and sexual offences | Brynheulog Court | Under investigation |
| Sep 2025 | Violence and sexual offences | Brynheulog Court | Unable to prosecute suspect |
| Sep 2025 | Violence and sexual offences | Brynheulog Court | Under investigation |
| Sep 2025 | Violence and sexual offences | Coeden Dal | Unable to prosecute suspect |
| Sep 2025 | Violence and sexual offences | Coeden Dal | Under investigation |
| Sep 2025 | Vehicle crime | Coeden Dal | Under investigation |
| Sep 2025 | Criminal damage and arson | Heddfaen North | Investigation complete; no suspect identified |
StreetScan crime figures are based on official UK open data:
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