Total Crime Rate
80.7 per 1,000
All offences · Oct 2024 - Sep 2025Brynbala Way area has the 33rd lowest crime rate of 66 local areas in Pontprennau and Old St Mellons , and the 439th highest crime rate of 1,028 local areas in Cardiff .
Neighbouring streets tend to have noticeably higher crime levels than this postcode. Crime here is lower than the average for the surrounding output areas.
The overall crime rate in the area around Brynbala Way (CF3 1SZ) in the last 12 months was 80.7 per 1,000 residents and was 2.7% higher than the Pontprennau and Old St Mellons average (78.5 per 1,000 residents). In the last 12 months, this area’s most reported crimes were Violence and sexual offences with 8 offences recorded. The least common crime was Burglary with 1 case , up 100.0% compared to 2024. The fastest-growing crime category was Burglary ( 100.0% YoY). The sharpest decline was Anti-social behaviour ( -80.0% YoY).
Violent crimes totalled 9 (≈ 29.0 per 1,000 residents). Year-over-year these were falling ( -52.6% ). Over the last decade, overall crime has falling ( -38.1% comparing early vs recent averages) .
In the area around Brynbala Way (CF3 1SZ), the main crime hotspot is near Glan-Y-Mor Road. Police recorded 41 crimes here, including 22 violent or public-order offences. All these locations are within roughly 0.3 miles.
View Crime In Pontprennau and Old St Mellons| Month | Crime | Location* | Last Outcome |
|---|---|---|---|
| Sep 2025 | Violence and sexual offences | Trebanog Close | Under investigation |
| Sep 2025 | Violence and sexual offences | Trebanog Close | Under investigation |
| Sep 2025 | Anti-social behaviour | Trebanog Close | — |
| Sep 2025 | Public order | Cemaes Crescent | Investigation complete; no suspect identified |
| Sep 2025 | Violence and sexual offences | Cemaes Crescent | Investigation complete; no suspect identified |
| Sep 2025 | Public order | Trebanog Crescent | Unable to prosecute suspect |
| Sep 2025 | Public order | Trebanog Crescent | Unable to prosecute suspect |
| Sep 2025 | Violence and sexual offences | Hendre Road | Under investigation |
| Sep 2025 | Violence and sexual offences | Gwbert Close | Under investigation |
| Sep 2025 | Public order | Gwbert Close | Investigation complete; no suspect identified |
| Sep 2025 | Criminal damage and arson | Gwbert Close | Under investigation |
| Sep 2025 | Burglary | Glan-Y-Mor Road | Under investigation |
| Sep 2025 | Violence and sexual offences | Abergele Close | Unable to prosecute suspect |
| Sep 2025 | Violence and sexual offences | Morfa Crescent | Under investigation |
| Sep 2025 | Anti-social behaviour | Morfa Crescent | — |
| Sep 2025 | Anti-social behaviour | Pen Lasgan | — |
| Sep 2025 | Criminal damage and arson | Trecinon Road | Under investigation |
| Sep 2025 | Public order | Trecinon Road | Under investigation |
| Sep 2025 | Violence and sexual offences | Plas Nanthelyg | Unable to prosecute suspect |
| Sep 2025 | Violence and sexual offences | Trebanog Close | Unable to prosecute suspect |
StreetScan crime figures are based on official UK open data:
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