Crime Rates at John Street, Mountain Ash, CF45 4HL

John Street area has the 5th lowest crime rate of 23 local areas in Mountain Ash , and the 248th 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 John Street (CF45 4HL) in the last 12 months was 40.0 per 1,000 residents and was 56.5% lower 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 3 offences recorded. The least common crime was Anti-social behaviour with 1 case , unchanged from 2025. The fastest-growing crime category was Drugs ( 100.0% YoY). The sharpest decline was Other theft ( -75.0% YoY).

Violent crimes totalled 3 (≈ 10.9 per 1,000 residents). Year-over-year these were falling ( -66.7% ). Over the last decade, overall crime has falling ( -56.3% comparing early vs recent averages) .

In the area around John Street (CF45 4HL), the highest concentration of overall crime is near Strand Street, where police recorded 5 incidents. Violent and public-order offences occur most often near Lower Forest Level (2 offences). Both locations lie within roughly 0.3 miles of this postcode area.