Total Crime Rate
178.7 per 1,000
All offences · Oct 2024 - Sep 2025Treseifion Estate area has the 8th highest crime rate of 35 local areas in Parc a'r Mynydd , and the 18th highest crime rate of 224 local areas in Isle of Anglesey .
This postcode sits in a local crime hotspot. Overall crime levels here are significantly higher than in the surrounding streets and the wider area.
The overall crime rate in the area around Treseifion Estate (LL65 2NB) in the last 12 months was 178.7 per 1,000 residents and was 73.8% higher than the Parc a'r Mynydd average (102.9 per 1,000 residents). In the last 12 months, this area’s most reported crimes were Violence and sexual offences with 22 offences recorded. The least common crime was Bicycle theft with 1 case , up 100.0% compared to 2024. The fastest-growing crime category was Bicycle theft ( 100.0% YoY). The sharpest decline was Burglary ( -33.3% YoY).
Violent crimes totalled 27 (≈ 114.9 per 1,000 residents). Year-over-year these were rising ( 42.1% ). Over the last decade, overall crime has falling ( -43.2% comparing early vs recent averages) .
In the area around Treseifion Estate (LL65 2NB), the main crime hotspot is near Cleveland Crescent. Police recorded 31 crimes here, including 23 violent or public-order offences. All these locations are within roughly 0.3 miles.
View Crime In Parc a'r Mynydd| Month | Crime | Location* | Last Outcome |
|---|---|---|---|
| Sep 2025 | Violence and sexual offences | Tan-Yr-Efail | Under investigation |
| Sep 2025 | Violence and sexual offences | Maes Y Brenin | Under investigation |
| Sep 2025 | Other crime | Tan-Yr-Efail | Investigation complete; no suspect identified |
| Sep 2025 | Violence and sexual offences | Treseifion Estate | Under investigation |
| Sep 2025 | Public order | Treseifion Estate | Under investigation |
| Sep 2025 | Anti-social behaviour | Treseifion Road | — |
| Sep 2025 | Public order | Treseifion Road | 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.