Total Crime Rate
6.0 per 1,000
All offences · Oct 2024 - Sep 2025Bryn Derwen area has the 3rd lowest crime rate of 23 local areas in Pentyrch and St Fagans , and the 25th 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 Bryn Derwen (CF15 8RP) in the last 12 months was 6.0 per 1,000 residents and was 87.5% lower than the Pentyrch and St Fagans average (48.5 per 1,000 residents). In the last 12 months, this area’s most reported crimes were Criminal damage and arson with 2 offences recorded. The least common crime was Criminal damage and arson with 2 cases , up 100.0% compared to 2024. The fastest-growing crime category was Criminal damage and arson ( 100.0% YoY). The sharpest decline was Criminal damage and arson ( 100.0% YoY).
In the area around Bryn Derwen (CF15 8RP), the main crime hotspot is near Oak Tree Close. Police recorded 1 crimes here, including 1 violent or public-order offences. All these locations are within roughly 0.3 miles.
View Crime In Pentyrch and St Fagans| Month | Crime | Location* | Last Outcome |
|---|---|---|---|
| Sep 2025 | Criminal damage and arson | Llwyn Bryn Melyn | Investigation complete; no suspect identified |
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.