Crime Rates at Glenside Court, Penylan, Cardiff, CF23 5JS

Glenside Court area has the 18th highest crime rate of 36 local areas in Penylan , and the 420th lowest crime rate of 1,013 local areas in Cardiff .

Compared with the surrounding streets, this postcode does not stand out as either a particular hotspot or an unusually safe pocket. Crime levels in the neighbouring output areas are broadly in line with this area.

The overall crime rate in the area around Glenside Court (CF23 5JS) in the last 12 months was 51.7 per 1,000 residents and was 40.4% lower than the Penylan average (86.7 per 1,000 residents). In the last 12 months, this area’s most reported crimes were Violence and sexual offences with 6 offences recorded. The least common crime was Criminal damage and arson with 1 case , unchanged from 2025. The fastest-growing crime category was Violent crimes ( 133.3% YoY). Other major crime categories were broadly unchanged compared to 2025.

Violent crimes totalled 7 (≈ 30.2 per 1,000 residents). Year-over-year these were rising ( 133.3% ). Over the last decade, overall crime has falling ( -31.7% comparing early vs recent averages) .

In the area around Glenside Court (CF23 5JS), the highest concentration of overall crime is near Boleyn Walk, where police recorded 10 incidents. Violent and public-order offences occur most often near Further/Higher Educational Building (7 offences). Both locations lie within roughly 0.3 miles of this postcode area.