Total Crime Rate
56.5 per 1,000
All offences · May 2025 - Apr 2026Violent Crime Rate
33.9 per 1,000
May 2025 - Apr 2026Bryn Islwyn area has the 12th lowest crime rate of 24 local areas in Dolbenmaen , and the 195th highest 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 Bryn Islwyn (LL48 6BB) in the last 12 months was 56.5 per 1,000 residents and was 110.4% higher than the Dolbenmaen average (26.9 per 1,000 residents). In the last 12 months, this area’s most reported crimes were Violence and sexual offences with 11 offences recorded. The least common crime was Other theft with 1 case , unchanged from 2025. The fastest-growing crime category was Violent crimes ( 140.0% YoY). Other major crime categories were broadly unchanged compared to 2025.
Violent crimes totalled 12 (≈ 33.9 per 1,000 residents). Year-over-year these were rising ( 140.0% ). Over the last decade, overall crime has rising ( 128.6% comparing early vs recent averages) .
In the area around Bryn Islwyn (LL48 6BB), the highest concentration of overall crime is near Trem Y Moelwyn, where police recorded 14 incidents. Violent and public-order offences occur most often near Meusydd Llydain (11 offences). Both locations lie within roughly 0.3 miles of this postcode area.
View Crime In Penrhyndeudraeth| Month | Crime | Location* | Last Outcome |
|---|---|---|---|
| Apr 2026 | Violence and sexual offences | Meusydd Llydain | Unable to prosecute suspect |
| Apr 2026 | Anti-social behaviour | Sports/Recreation Area | — |
| Apr 2026 | Public order | Trem Y Moelwyn | Awaiting court outcome |
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.