Crime Rates at Lon Llainffynnon, Groeslon, Caernarfon, LL54 7TR

Lon Llainffynnon area has the 11th lowest crime rate of 24 local areas in Clynnog , and the 159th 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 Llainffynnon (LL54 7TR) in the last 12 months was 47.8 per 1,000 residents and was 8.3% higher than the Clynnog average (44.2 per 1,000 residents). In the last 12 months, this area’s most reported crimes were Violence and sexual offences with 8 offences recorded. The least common crime was Anti-social behaviour with 1 case , down -66.7% compared to 2025. The fastest-growing crime category was Burglary ( 100.0% YoY). The sharpest decline was Anti-social behaviour ( -66.7% YoY).

Violent crimes totalled 8 (≈ 31.9 per 1,000 residents). Year-over-year these were falling ( -11.1% ). Over the last decade, overall crime has falling ( -60.0% comparing early vs recent averages) .

In the area around Lon Llainffynnon (LL54 7TR), the highest concentration of overall crime is near Cae Sarn, where police recorded 4 incidents. Violent and public-order offences occur most often near Lon Llainfynnon (2 offences). Both locations lie within roughly 0.3 miles of this postcode area.