About Deiniolen
Deiniolen is a village located in Gwynedd, Wales, within the postcode area LL55. It lies at the foot of the Snowdon mountain range, making it a convenient base for those wishing to explore the surrounding natural landscape. The village is primarily residential, with a mix of local amenities, including a shop and a primary school, serving the community. The area is known for its proximity to Snowdonia National Park, which offers numerous walking and hiking opportunities. Visitors can enjoy various outdoor activities, including climbing and cycling. Deiniolen's location also allows for easy access to nearby towns such as Caernarfon and Llanberis, where further facilities and attractions can be found. The village provides a quiet environment while being close to the attractions of the Welsh countryside.
School Ratings in Deiniolen
There are 21 schools in and around Deiniolen.
House Prices in Deiniolen
The average property price is £207K, with terraced houses making up the majority of the housing stock at around £146K.
Crime and Anti-Social Behaviour in Deiniolen
Recorded crime levels are lower than the national average. Criminal damage & arson is prevalent across Deiniolen, with 2 recorded incidents in January 2026.
Broadband and Mobile Internet in Deiniolen
Broadband speeds in Deiniolen are generally strong, with superfast and ultrafast options widely available. Mobile coverage across 4G and 5G networks is reliable throughout most of the area. For the latest speed predictions, visit Ofcom's broadband checker.
Property Prices 2,591 sales
Schools & Education 12 nearby View all schools
Crime in Deiniolen 11 crimes · January 2026
Deiniolen records relatively low levels of reported crime compared to national averages. Violence & sexual offences is the most commonly logged offence type, though overall numbers remain modest. The area is generally considered a safe and settled town with a strong sense of community.
Crime figures depend on reporting by individual police forces and may not reflect the full picture in all areas.