Total Crime Rate

107.8 per 1,000 8/10 · High

All offences · May 2025 - Apr 2026

Violent Crime Rate

68.6 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 107.8 8/10
  • Violent crimes 68.6 9/10
  • Violence and sexual offences 45.8 8/10
  • Anti-social behaviour 19.6 8/10
  • Public order 19.6 9/10
  • Criminal damage and arson 13.1 8/10
  • Other theft 3.3 3/10
  • Possession of weapons 3.3 4/10
  • Vehicle crime 3.3 3/10
  • Bicycle theft 0.0 1/10
  • Burglary 0.0 1/10
  • Drugs 0.0 1/10
  • Other crime 0.0 1/10
  • Robbery 0.0 1/10
  • Shoplifting 0.0 1/10
  • Theft from the person 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

Navigation Street area has the 8th highest crime rate of 23 local areas in Mountain Ash , and the 223rd highest crime rate of 791 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 Navigation Street (CF45 4BW) in the last 12 months was 107.8 per 1,000 residents and was 17.2% 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 14 offences recorded. The least common crime was Other theft with 1 case , up 100.0% compared to 2025. The fastest-growing crime category was Other theft ( 100.0% YoY). The sharpest decline was Public order ( -25.0% YoY).

Violent crimes totalled 21 (≈ 68.6 per 1,000 residents). Year-over-year these were rising ( 5.0% ). Over the last decade, overall crime has falling ( -48.9% comparing early vs recent averages) .

In the area around Navigation Street (CF45 4BW), the main crime hotspot is near Chancery Lane. Police recorded 19 crimes here, including 14 violent or public-order offences. All these locations are within roughly 0.3 miles.

View Crime In Mountain Ash

Crime Over Time in Navigation Street area

Showing crimes within 0.3 miles (13/13)
Month:
MonthCrimeLocation*Last Outcome
Apr 2026Violence and sexual offences Phillip Street Under investigation
Apr 2026Violence and sexual offences Napier Street Under investigation
Apr 2026Violence and sexual offences Parking Area Under investigation
Apr 2026Public order Jeffrey Street Under investigation
Apr 2026Criminal damage and arson Aber-Ffrwd Road Unable to prosecute suspect
Apr 2026Public order Navigation Street Under investigation
Apr 2026Other theft Parking Area Investigation complete; no suspect identified
Apr 2026Violence and sexual offences Navigation Street Under investigation
Apr 2026Violence and sexual offences Chancery Lane Awaiting court outcome
Apr 2026Criminal damage and arson Chancery Lane Unable to prosecute suspect
Apr 2026Violence and sexual offences Phillip Street Under investigation
Apr 2026Anti-social behaviour Ifor Street —
Apr 2026Violence and sexual offences Ffrwd Crescent Under investigation
* on or near this location Page 1 • Showing 13 of 13

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.

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