Total Crime Rate

55.7 per 1,000 5/10 · Average

All offences · May 2025 - Apr 2026

Violent Crime Rate

27.9 per 1,000 5/10 · Average

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 55.7 5/10
  • Violent crimes 27.9 5/10
  • Violence and sexual offences 25.3 6/10
  • Other theft 17.7 9/10
  • Anti-social behaviour 5.1 3/10
  • Burglary 2.5 1/10
  • Criminal damage and arson 2.5 1/10
  • Public order 2.5 1/10
  • Bicycle theft 0.0 1/10
  • Drugs 0.0 1/10
  • Other crime 0.0 1/10
  • Possession of weapons 0.0 1/10
  • Robbery 0.0 1/10
  • Shoplifting 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

Lon Isaf area has the 13th highest crime rate of 26 local areas in De Pwllheli , and the 196th lowest crime rate of 395 local areas in Gwynedd .

At least one of the neighbouring streets has high or very high crime levels. However, overall crime around this postcode is more mixed, with some nearby areas experiencing lower crime.

The overall crime rate in the area around Lon Isaf (LL53 6BS) in the last 12 months was 55.7 per 1,000 residents and was 17.6% lower than the De Pwllheli average (67.6 per 1,000 residents). In the last 12 months, this area’s most reported crimes were Violence and sexual offences with 10 offences recorded. The least common crime was Burglary with 1 case , unchanged from 2025. The fastest-growing crime category was Criminal damage and arson ( 100.0% YoY). The sharpest decline was Anti-social behaviour ( -60.0% YoY).

Violent crimes totalled 11 (≈ 27.9 per 1,000 residents). Year-over-year these were falling ( -8.3% ). Over the last decade, overall crime has falling ( -49.5% comparing early vs recent averages) .

In the area around Lon Isaf (LL53 6BS), the main crime hotspot is near B4417. Police recorded 5 crimes here, including 1 violent or public-order offences. All these locations are within roughly 0.3 miles.

View Crime In Morfa Nefyn a Thudweiliog

Crime Over Time in Lon Isaf area

MonthCrimeLocation*Last Outcome
Apr 2026Anti-social behaviour Lon Penrallt

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.