Total Crime Rate
20.4 per 1,000
All offences · May 2025 - Apr 2026Violent Crime Rate
10.2 per 1,000
May 2025 - Apr 2026Llwyn Onn area has the 2nd lowest crime rate of 17 local areas in Llanasa and Trelawnyd , and the 100th lowest crime rate of 494 local areas in Flintshire .
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 Llwyn Onn (LL18 6EL) in the last 12 months was 20.4 per 1,000 residents and was 73.8% lower than the Llanasa and Trelawnyd average (77.9 per 1,000 residents). In the last 12 months, this area’s most reported crimes were Violence and sexual offences with 2 offences recorded. The least common crime was Anti-social behaviour with 1 case , up 100.0% compared to 2025. The fastest-growing crime category was Anti-social behaviour ( 100.0% YoY). The sharpest decline was Violence and sexual offences ( -33.3% YoY).
Violent crimes totalled 2 (≈ 10.2 per 1,000 residents). Year-over-year these were falling ( -33.3% ). Over the last decade, overall crime has falling ( -18.8% comparing early vs recent averages) .
In the area around Llwyn Onn (LL18 6EL), the highest concentration of overall crime is near Well Lane, where police recorded 2 incidents. Violent and public-order offences occur most often near Llwyn Onn (1 offences). Both locations lie within roughly 0.3 miles of this postcode area.
View Crime In Llanasa and Trelawnyd| Month | Crime | Location* | Last Outcome | |
|---|---|---|---|---|
| No crimes for this selection. | ||||
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.