Total Crime Rate
23.8 per 1,000
All offences · May 2025 - Apr 2026Violent Crime Rate
7.9 per 1,000
May 2025 - Apr 2026Trellewelyn Road area has the lowest crime rate of 16 local areas in Rhyl South West , and the 56th lowest crime rate of 349 local areas in Denbighshire .
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 Trellewelyn Road (LL18 4EP) in the last 12 months was 23.8 per 1,000 residents and was 86.2% lower than the Rhyl South West average (172.2 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 , down -75.0% compared to 2025. All major crime categories fell. The sharpest drop was Anti-social behaviour ( -75.0% YoY).
Violent crimes totalled 3 (≈ 7.9 per 1,000 residents). Year-over-year these were falling ( -50.0% ). Over the last decade, overall crime has falling ( -62.3% comparing early vs recent averages) .
In the area around Trellewelyn Road (LL18 4EP), the highest concentration of overall crime is near Petrol Station, where police recorded 31 incidents. Violent and public-order offences occur most often near Weaver Avenue (15 offences). Both locations lie within roughly 0.3 miles of this postcode area.
| Month | Crime | Location* | Last Outcome |
|---|---|---|---|
| Apr 2026 | Violence and sexual offences | Madryn Avenue | Unable to prosecute suspect |
| Apr 2026 | Anti-social behaviour | Holland Park Drive | — |
| Apr 2026 | Shoplifting | Petrol Station | Investigation complete; no suspect identified |
| Apr 2026 | Violence and sexual offences | Pendyffryn Road North | Under investigation |
| Apr 2026 | Violence and sexual offences | Weaver Avenue | Under investigation |
| Apr 2026 | Violence and sexual offences | Weaver Avenue | Under investigation |
| Apr 2026 | Violence and sexual offences | Holland Park Drive | Under investigation |
| Apr 2026 | Anti-social behaviour | Bryn Coed Park | — |
| Apr 2026 | Anti-social behaviour | Holland Park Drive | — |
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.