Total Crime Rate
12.5 per 1,000
All offences · Oct 2024 - Sep 2025Nant Y Glyn area has the 3rd lowest crime rate of 20 local areas in Bethel a'r Felinheli , and the 14th lowest crime rate of 394 local areas in Gwynedd .
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 Nant Y Glyn (LL55 4AH) in the last 12 months was 12.5 per 1,000 residents and was 75.5% lower than the Bethel a'r Felinheli average (50.9 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 , down -75.0% compared to 2024. All major crime categories fell. The sharpest drop was Anti-social behaviour ( -75.0% YoY).
Violent crimes totalled 2 (≈ 6.2 per 1,000 residents). Year-over-year these were falling ( -33.3% ). Over the last decade, overall crime has falling ( -49.0% comparing early vs recent averages) .
In the area around Nant Y Glyn (LL55 4AH), the highest concentration of overall crime is near Ffordd Crawia, where police recorded 13 incidents. Violent and public-order offences occur most often near Cefn Elan (7 offences). Both locations lie within roughly 0.3 miles of this postcode area.
View Crime In Bethel a'r Felinheli| Month | Crime | Location* | Last Outcome |
|---|---|---|---|
| Sep 2025 | Anti-social behaviour | Sports/Recreation Area | — |
| Sep 2025 | Anti-social behaviour | Cefn Elan | — |
| Sep 2025 | Anti-social behaviour | Gwel Fynydd | — |
| Sep 2025 | Criminal damage and arson | Ffordd Crawia | Under investigation |
| Sep 2025 | Burglary | Ffordd Crawia | Under investigation |
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.