Total Crime Rate

156.8 per 1,000 9/10 · Very High

All offences · May 2025 - Apr 2026

Violent Crime Rate

88.8 per 1,000 9/10 · Very High

May 2025 - Apr 2026
Latest update: 06.06.2026 Crime figures are sourced from data.police.uk and are typically published with a 3-month delay.
Crime rate per 1000 residents
  • All crimes 156.8 9/10
  • Violent crimes 88.8 9/10
  • Violence and sexual offences 50.3 8/10
  • Public order 35.5 10/10
  • Anti-social behaviour 26.6 8/10
  • Drugs 14.8 9/10
  • Burglary 8.9 8/10
  • Criminal damage and arson 5.9 5/10
  • Other crime 3.0 3/10
  • Other theft 3.0 2/10
  • Possession of weapons 3.0 3/10
  • Theft from the person 3.0 3/10
  • Vehicle crime 3.0 2/10
  • Bicycle theft 0.0 1/10
  • Robbery 0.0 1/10
  • Shoplifting 0.0 1/10
Values shown per 1,000 residents · May 2025 - Apr 2026 · Rating compares this oa to UK peers of the same type.
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Crime overview

Sierra Pines 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 Sierra Pines (CF45 3DS) 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 Sierra Pines (CF45 3DS), 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

Crime Over Time in Sierra Pines area

MonthCrimeLocation*Last Outcome
Apr 2026Public order Fernhill Under investigation
Apr 2026Burglary Cwm Alarch Investigation complete; no suspect identified
Apr 2026Violence and sexual offences Fernhill Unable to prosecute suspect
Apr 2026Public order Fernhill Under investigation
Apr 2026Violence and sexual offences Fernhill Under investigation
Apr 2026Public order Fernhill Under investigation
Apr 2026Other theft Fernhill Under investigation
Apr 2026Criminal damage and arson Fernhill Investigation complete; no suspect identified
Apr 2026Violence and sexual offences Fernhill Under investigation
Apr 2026Vehicle crime B4275 Under investigation
Apr 2026Anti-social behaviour Cwm Alarch
Apr 2026Violence and sexual offences Fernhill Under investigation
Apr 2026Violence and sexual offences Fernhill Under investigation
Apr 2026Violence and sexual offences Forest View Unable to prosecute suspect
Apr 2026Public order Fernhill Under investigation
Apr 2026Violence and sexual offences Forest View Unable to prosecute suspect
Apr 2026Vehicle crime Forest View Investigation complete; no suspect identified
Apr 2026Drugs Forest View Under investigation
Apr 2026Drugs Forest View Awaiting court outcome
Apr 2026Public order Forest View Unable to prosecute suspect
Apr 2026Violence and sexual offences Forest View Under investigation

Data Sources

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.