Crime Rates at St Seiriols Close, Holyhead, LL65 1RD

St Seiriols Close area has the 12th highest crime rate of 35 local areas in Parc a'r Mynydd , and the 24th highest crime rate of 224 local areas in Isle of Anglesey .

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 St Seiriols Close (LL65 1RD) in the last 12 months was 143.9 per 1,000 residents and was 39.9% 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 19 offences recorded. The least common crime was Bicycle theft with 1 case , up 100.0% compared to 2024. The fastest-growing crime category was Anti-social behaviour ( 300.0% YoY). The sharpest decline was Drugs ( -50.0% YoY).

Violent crimes totalled 23 (≈ 84.9 per 1,000 residents). Year-over-year these were rising ( 228.6% ). Over the last decade, overall crime has rising ( 48.8% comparing early vs recent averages) .

In the area around St Seiriols Close (LL65 1RD), the highest concentration of overall crime is near Market Street, where police recorded 104 incidents. Violent and public-order offences occur most often near Market Square (36 offences). Both locations lie within roughly 0.3 miles of this postcode area.