Total Crime Rate
156.8 per 1,000
All offences · May 2025 - Apr 2026Violent Crime Rate
88.8 per 1,000
May 2025 - Apr 2026Boi Close area has the 4th highest crime rate of 23 local areas in Mountain Ash , and the 117th highest crime rate of 791 local areas in Rhondda Cynon Taf .
Crime levels at this postcode are much higher than in the adjoining streets, suggesting that most neighbouring areas are relatively safer than this one.
The overall crime rate in the area around Boi Close (CF45 3DP) in the last 12 months was 156.8 per 1,000 residents and was 70.3% higher than the Mountain Ash average (92.1 per 1,000 residents). In the last 12 months, this area’s most reported crimes were Violence and sexual offences with 17 offences recorded. The least common crime was Other crime with 1 case , down -66.7% compared to 2025. The fastest-growing crime category was Criminal damage and arson ( 100.0% YoY). The sharpest decline was Other crime ( -66.7% YoY).
Violent crimes totalled 30 (≈ 88.8 per 1,000 residents). Year-over-year these were falling ( -6.3% ). Over the last decade, overall crime has falling ( -58.6% comparing early vs recent averages) .
In the area around Boi Close (CF45 3DP), the main crime hotspot is near Fernhill. Police recorded 88 crimes here, including 59 violent or public-order offences. All these locations are within roughly 0.3 miles.
View Crime In Mountain Ash| Month | Crime | Location* | Last Outcome |
|---|---|---|---|
| Apr 2026 | Criminal damage and arson | Fernhill | Investigation complete; no suspect identified |
| Apr 2026 | Vehicle crime | B4275 | Under investigation |
| Apr 2026 | Other theft | Fernhill | Under investigation |
| Apr 2026 | Public order | Fernhill | Under investigation |
| Apr 2026 | Violence and sexual offences | Fernhill | Unable to prosecute suspect |
| Apr 2026 | Violence and sexual offences | Fernhill | Under investigation |
| Apr 2026 | Violence and sexual offences | Fernhill | Under investigation |
| Apr 2026 | Violence and sexual offences | Fernhill | Under investigation |
| Apr 2026 | Violence and sexual offences | Fernhill | Under investigation |
| Apr 2026 | Public order | Fernhill | Under investigation |
| Apr 2026 | Public order | Fernhill | Under investigation |
| Apr 2026 | Anti-social behaviour | Cwm Alarch | — |
| Apr 2026 | Burglary | Cwm Alarch | Investigation complete; no suspect identified |
| Apr 2026 | Public order | Fernhill | Under investigation |
| Apr 2026 | Criminal damage and arson | Hospital | Under investigation |
| Apr 2026 | Public order | Hospital | Under investigation |
| Apr 2026 | Violence and sexual offences | Hospital | Under investigation |
| Apr 2026 | Violence and sexual offences | Hospital | Under investigation |
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.