Total Crime Rate
11.4 per 1,000
All offences · May 2025 - Apr 2026Violent Crime Rate
7.6 per 1,000
May 2025 - Apr 2026Sion Street area has the lowest crime rate of 22 local areas in Cilfynydd , and the 51st lowest crime rate of 791 local areas in Rhondda Cynon Taf .
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 Sion Street (CF37 4SD) in the last 12 months was 11.4 per 1,000 residents and was 84.4% lower than the Cilfynydd average (72.8 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 Other crime with 1 case , unchanged from 2025. The fastest-growing crime category was Violence and sexual offences ( 100.0% YoY). Other major crime categories were broadly unchanged compared to 2025.
Violent crimes totalled 2 (≈ 7.6 per 1,000 residents). Year-over-year these were rising ( 100.0% ). Over the last decade, overall crime has falling ( -67.4% comparing early vs recent averages) .
In the area around Sion Street (CF37 4SD), the main crime hotspot is near Police Station. Police recorded 132 crimes here, including 73 violent or public-order offences. All these locations are within roughly 0.3 miles.
| Month | Crime | Location* | Last Outcome |
|---|---|---|---|
| Apr 2026 | Anti-social behaviour | Police Station | — |
| Apr 2026 | Public order | Parking Area | Investigation complete; no suspect identified |
| Apr 2026 | Anti-social behaviour | Police Station | — |
| Apr 2026 | Anti-social behaviour | Police Station | — |
| Apr 2026 | Anti-social behaviour | Police Station | — |
| Apr 2026 | Anti-social behaviour | Crossbrook Street | — |
| Apr 2026 | Criminal damage and arson | Crossbrook Street | Investigation complete; no suspect identified |
| Apr 2026 | Violence and sexual offences | Cwrt Coed-Y-Lan | Under investigation |
| Apr 2026 | Other crime | Central Square | Awaiting court outcome |
| Apr 2026 | Violence and sexual offences | Central Square | Under investigation |
| Apr 2026 | Shoplifting | Crossbrook Street | Under investigation |
| Apr 2026 | Violence and sexual offences | Police Station | Under investigation |
| Apr 2026 | Violence and sexual offences | Crossbrook Street | Under investigation |
| Apr 2026 | Violence and sexual offences | Police Station | Unable to prosecute suspect |
| Apr 2026 | Violence and sexual offences | North Street | Investigation complete; no suspect identified |
| Apr 2026 | Possession of weapons | Police Station | Under investigation |
| Apr 2026 | Drugs | Police Station | Under investigation |
| Apr 2026 | Anti-social behaviour | Ynys-Gyfeillon Road | — |
| Apr 2026 | Drugs | Police Station | Under investigation |
| Apr 2026 | Drugs | Police Station | Under investigation |
| Apr 2026 | Public order | Police Station | Offender given a caution |
| Apr 2026 | Public order | Police Station | Under investigation |
| Apr 2026 | Violence and sexual offences | Police Station | Unable to prosecute suspect |
| Apr 2026 | Violence and sexual offences | Police Station | Under investigation |
| Apr 2026 | Violence and sexual offences | Police Station | Under investigation |
| Apr 2026 | Violence and sexual offences | Parking Area | Unable to prosecute suspect |
| Apr 2026 | Violence and sexual offences | North Street | Unable to prosecute suspect |
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.