Based on April 2026 Police data, St Asaph (LL17) recorded the lowest crime rate in Denbighshire, with 17 incidents. At the other end of the scale, Rhyl (LL18) recorded 307 crimes in the same period — more than 18x the crime count of the safest area. The 6 postcode areas analysed in Denbighshire span both ends of the spectrum — some well below and others well above the national crime benchmark. Even in the safest area, violence & sexual offences is the most commonly recorded crime type.
Based on April 2026 Police data, St Asaph (LL17) is the safest area in Denbighshire, recording 17 crimes — 82% fewer than the average across the 6 areas analysed. Violence & sexual offences was the most common crime type even in this safest area.
Rhyl (LL18) recorded the most crime in Denbighshire in April 2026, with 307 incidents. Violence & sexual offences was the dominant crime type. Full 24-month trend reports for this area are available from £4.99.
Full reports include 24 months of trends, ward breakdowns, outcome rates, and a safety score — from £4.99.
Check any Denbighshire postcode — from £4.99