Total Crime Rate
27.1 per 1,000
All offences · Oct 2024 - Sep 2025Tantreflys area has the 8th lowest crime rate of 47 local areas in Arllechwedd , and the 80th 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 Tantreflys (LL57 3SS) in the last 12 months was 27.1 per 1,000 residents and was 64.5% lower than the Arllechwedd average (76.3 per 1,000 residents). In the last 12 months, this area’s most reported crimes were Anti-social behaviour with 5 offences recorded. The least common crime was Other theft with 1 case , up 100.0% compared to 2024. The fastest-growing crime category was Burglary ( 100.0% YoY). The sharpest decline was Violence and sexual offences ( -80.0% YoY).
Violent crimes totalled 2 (≈ 5.4 per 1,000 residents). Year-over-year these were falling ( -60.0% ). Over the last decade, overall crime has falling ( -50.0% comparing early vs recent averages) .
In the area around Tantreflys (LL57 3SS), the highest concentration of overall crime is near Abercaseg, where police recorded 23 incidents. Violent and public-order offences occur most often near Glan Ogwen (12 offences). Both locations lie within roughly 0.3 miles of this postcode area.
View Crime In Arllechwedd| Month | Crime | Location* | Last Outcome |
|---|---|---|---|
| Sep 2025 | Violence and sexual offences | Abercaseg | Under investigation |
| Sep 2025 | Violence and sexual offences | Llawr Y Nant | Under investigation |
| Sep 2025 | Public order | Long Street | Unable to prosecute suspect |
| Sep 2025 | Anti-social behaviour | Abercaseg | — |
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.