Total Crime Rate
56.8 per 1,000
All offences · May 2025 - Apr 2026Violent Crime Rate
32.4 per 1,000
May 2025 - Apr 2026Bryncyn area has the 9th lowest crime rate of 27 local areas in Pentwyn , and the 450th lowest crime rate of 1,013 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 7BL) in the last 12 months was 56.8 per 1,000 residents and was 21.5% 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 12 offences recorded. The least common crime was Other crime with 1 case , up 100.0% compared to 2025. The fastest-growing crime category was Other crime ( 100.0% YoY). The sharpest decline was Vehicle crime ( -50.0% YoY).
Violent crimes totalled 12 (≈ 32.4 per 1,000 residents). Year-over-year these were falling ( -25.0% ). Over the last decade, overall crime has falling ( -71.6% comparing early vs recent averages) .
In the area around Bryncyn (CF23 7BL), the highest concentration of overall crime is near Pentwyn Drive, where police recorded 61 incidents. Violent and public-order offences occur most often near Heddfaen North (17 offences). Both locations lie within roughly 0.3 miles of this postcode area.
View Crime In Cardiff| Month | Crime | Location* | Last Outcome |
|---|---|---|---|
| Apr 2026 | Shoplifting | Pentwyn Drive | Awaiting court outcome |
| Apr 2026 | Violence and sexual offences | Bryn Pinwydden | Investigation complete; no suspect identified |
| Apr 2026 | Violence and sexual offences | Heddfaen South | Under investigation |
| Apr 2026 | Shoplifting | Pentwyn Drive | Awaiting court outcome |
| Apr 2026 | Shoplifting | Pentwyn Drive | Under investigation |
| Apr 2026 | Violence and sexual offences | Brynheulog | Under investigation |
| Apr 2026 | Violence and sexual offences | Brynheulog | Under investigation |
| Apr 2026 | Violence and sexual offences | Heddfaen North | Under investigation |
| Apr 2026 | Criminal damage and arson | Heddfaen North | Investigation complete; no suspect identified |
| Apr 2026 | Anti-social behaviour | Heddfaen South | — |
| Apr 2026 | Anti-social behaviour | Bryncyn | — |
| Apr 2026 | Shoplifting | Pentwyn Drive | Under investigation |
| Apr 2026 | Violence and sexual offences | Llwyn Castan | Under investigation |
| Apr 2026 | Public order | Llwyn Castan | Under investigation |
| Apr 2026 | Criminal damage and arson | Llwyn Castan | Investigation complete; no suspect identified |
| Apr 2026 | Criminal damage and arson | Llwyn Castan | Unable to prosecute suspect |
| Apr 2026 | Anti-social behaviour | Llwyn Castan | — |
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.