Total Crime Rate
90.6 per 1,000
All offences · Oct 2024 - Sep 2025Cwrt Llanwonno area has the 11th highest crime rate of 23 local areas in Mountain Ash , and the 275th highest crime rate of 797 local areas in Rhondda Cynon Taf .
At least one of the neighbouring streets has high or very high crime levels. However, overall crime around this postcode is more mixed, with some nearby areas experiencing lower crime.
The overall crime rate in the area around Cwrt Llanwonno (CF45 3NF) in the last 12 months was 90.6 per 1,000 residents and was 6.2% lower than the Mountain Ash average (96.6 per 1,000 residents). In the last 12 months, this area’s most reported crimes were Violence and sexual offences with 13 offences recorded. The least common crime was Drugs with 1 case , up 100.0% compared to 2024. The fastest-growing crime category was Anti-social behaviour ( 300.0% YoY). Other major crime categories were broadly unchanged compared to 2024.
Violent crimes totalled 13 (≈ 49.1 per 1,000 residents). Year-over-year these were rising ( 30.0% ). Over the last decade, overall crime has falling ( -53.7% comparing early vs recent averages) .
In the area around Cwrt Llanwonno (CF45 3NF), the highest concentration of overall crime is near Sports/Recreation Area, where police recorded 20 incidents. Violent and public-order offences occur most often near Kingcraft Street (12 offences). Both locations lie within roughly 0.3 miles of this postcode area.
View Crime In Mountain Ash| Month | Crime | Location* | Last Outcome |
|---|---|---|---|
| Sep 2025 | Violence and sexual offences | Sports/Recreation Area | Under investigation |
| Sep 2025 | Anti-social behaviour | Rock Street | — |
| Sep 2025 | Violence and sexual offences | Stream Street | Under investigation |
| Sep 2025 | Anti-social behaviour | Darran Road | — |
| Sep 2025 | Violence and sexual offences | Kingcraft Street | Unable to prosecute suspect |
| Sep 2025 | Public order | Darran Road | Under investigation |
| Sep 2025 | Violence and sexual offences | Darran Road | Under investigation |
| Sep 2025 | Violence and sexual offences | Llanwonno Road | Under investigation |
| Sep 2025 | Violence and sexual offences | Gorsedd Street | Under investigation |
| Sep 2025 | Violence and sexual offences | Gorsedd Street | Under investigation |
| Sep 2025 | Violence and sexual offences | Gorsedd Street | Under investigation |
| Sep 2025 | Violence and sexual offences | Gorsedd Street | Under investigation |
| Sep 2025 | Violence and sexual offences | Gorsedd Street | Under investigation |
| Sep 2025 | Criminal damage and arson | Gorsedd Street | Investigation complete; no suspect identified |
| Sep 2025 | Anti-social behaviour | Parc Gwernifor | — |
| Sep 2025 | Violence and sexual offences | Sports/Recreation Area | Under investigation |
StreetScan crime figures are based on official UK open data:
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