Seion on the map
Location in GwyneddSeion sits where the marker shows within the county.
About Seion
Seion is a small village located in Gwynedd, Wales, within the postcode area LL55. This community is primarily residential, offering a peaceful environment for its inhabitants. The village is surrounded by the natural beauty of the Welsh countryside, making it a suitable spot for those who appreciate rural life.
The area is well-connected to nearby towns and attractions, providing easy access to local amenities. Visitors can explore the surrounding landscapes, which include hills and valleys typical of this region. Seion serves as a practical base for exploring the broader attractions of Gwynedd, including historical sites and outdoor activities.
School Ratings in Seion
There are 35 schools in and around Seion.
House Prices in Seion
The average property price is £223K, with terraced houses making up the majority of the housing stock at around £147K.
Crime and Anti-Social Behaviour in Seion
Recorded crime levels are lower than the national average. Anti-social behaviour is prevalent across Seion, with 1 recorded incidents in May 2026.
Healthcare in Seion
There are 3 GP surgeries within three miles of Seion, the nearest being Felinheli&porthaethwy Su (1.6 miles away).
Local Data for Seion
Dig deeper into the area around Seion with our free postcode tools.
Property Prices 2,562 sales
Schools & Education 12 nearby View all schools
Household Income in Seion ONS 2023
The average total household income in Seion is approximately £46,974 a year before tax, 15% below the national average of £55,302. After tax and benefits, the average disposable (net) household income is around £36,975. These are modelled estimates from the Office for National Statistics for the financial year ending 2023.
Net (after tax) household income averages £36,975.
Businesses in Seion ONS 2025
There are approximately 777 active businesses based in Seion, around 33 for every 1,000 residents. The local economy is dominated by small firms: about 86% are micro-businesses employing fewer than 10 people, while 21 are larger employers with 50 or more staff. Figures are from the Office for National Statistics UK Business Counts.
Crime in Seion 12 crimes · May 2026
Seion 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.
Nearest Train Stations 4 stations
Location
Nearby Towns & Villages 12 found
Local Government
Home Ownership in Seion
Of the 10,267 households in and around Seion, 67% are owned, 20% are socially rented and 13% are privately rented. Home ownership here is higher than the England and Wales average of 63%.
Tenure from the 2021 Census (ONS), for the postcode districts covering Seion.