Crime Rates at Merddyn Gwyn, Brynsiencyn, Llanfairpwllgwyngyll, LL61 6UW

Merddyn Gwyn area has the 2nd lowest crime rate of 72 local areas in Aethwy , and the 6th lowest crime rate of 222 local areas in Isle of Anglesey .

This postcode forms a relatively safe pocket compared with the surrounding streets. Neighbouring areas record much higher crime levels, even though this postcode itself remains comparatively low-crime.

The overall crime rate in the area around Merddyn Gwyn (LL61 6UW) in the last 12 months was 8.1 per 1,000 residents and was 86.8% lower than the Aethwy average (61.4 per 1,000 residents). In the last 12 months, this area’s most reported crimes were Anti-social behaviour with 1 offences recorded. The least common crime was Anti-social behaviour with 1 case , up 100.0% compared to 2025. The fastest-growing crime category was Anti-social behaviour ( 100.0% YoY). Other major crime categories were broadly unchanged compared to 2025.

Violent crimes totalled 1 (≈ 2.7 per 1,000 residents). Year-over-year these were rising ( 100.0% ). Over the last decade, overall crime has falling ( -63.5% comparing early vs recent averages) .

In the area around Merddyn Gwyn (LL61 6UW), the highest concentration of overall crime is near Field Street, where police recorded 6 incidents. Violent and public-order offences occur most often near Lon Uchaf (3 offences). Both locations lie within roughly 0.3 miles of this postcode area.