Total Crime Rate

200.0 per 1,000 9/10 · Very High

All offences · May 2025 - Apr 2026

Violent Crime Rate

119.2 per 1,000 10/10 · Very High

May 2025 - Apr 2026
Latest update: 06.06.2026 Crime figures are sourced from data.police.uk and are typically published with a 3-month delay.
Crime rate per 1000 residents
  • All crimes 200.0 9/10
  • Violent crimes 119.2 10/10
  • Violence and sexual offences 102.1 10/10
  • Anti-social behaviour 38.3 9/10
  • Criminal damage and arson 21.3 9/10
  • Public order 17.0 9/10
  • Other theft 8.5 7/10
  • Bicycle theft 4.3 7/10
  • Drugs 4.3 5/10
  • Shoplifting 4.3 3/10
  • Burglary 0.0 1/10
  • Other crime 0.0 1/10
  • Possession of weapons 0.0 1/10
  • Robbery 0.0 1/10
  • Theft from the person 0.0 1/10
  • Vehicle crime 0.0 1/10
Values shown per 1,000 residents · May 2025 - Apr 2026 · Rating compares this oa to UK peers of the same type.
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Crime overview

Treseifion Estate area has the 6th highest crime rate of 35 local areas in Parc a'r Mynydd , and the 15th highest crime rate of 222 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 2NN) in the last 12 months was 200.0 per 1,000 residents and was 132.3% higher than the Parc a'r Mynydd average (86.1 per 1,000 residents). In the last 12 months, this area’s most reported crimes were Violence and sexual offences with 24 offences recorded. The least common crime was Bicycle theft with 1 case , unchanged from 2025. The fastest-growing crime category was Criminal damage and arson ( 150.0% YoY). Other major crime categories were broadly unchanged compared to 2025.

Violent crimes totalled 28 (≈ 119.1 per 1,000 residents). Year-over-year these were rising ( 3.7% ). Over the last decade, overall crime has falling ( -58.0% comparing early vs recent averages) .

In the area around Treseifion Estate (LL65 2NN), the main crime hotspot is near Llys Treseifion. Police recorded 30 crimes here, including 20 violent or public-order offences. All these locations are within roughly 0.3 miles.

Crime Over Time in Treseifion Estate area

Showing crimes within 0.3 miles (5/5)
Month:
MonthCrimeLocation*Last Outcome
Apr 2026Violence and sexual offences Tan-Yr-Efail Under investigation
Apr 2026Violence and sexual offences Porthdafarch Road Unable to prosecute suspect
Apr 2026Other crime Cleveland Crescent Unable to prosecute suspect
Apr 2026Violence and sexual offences Llys Treseifion Under investigation
Apr 2026Possession of weapons Llys Treseifion Under investigation
* on or near this location Page 1 • Showing 5 of 5

Data Sources

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.

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