About Castle-upon-Alun
Castle-upon-Alun is a small settlement located in the Vale of Glamorgan, within the historic county of Glamorgan in south Wales. Situated near the River Alun, the village is part of the wider rural landscape of the region, with open fields and farmland surrounding the area. The name suggests a historical connection to a castle, though no remains of a castle are visible today. The village is within the CF32 postcode area, which covers parts of the northern Vale of Glamorgan. It is a quiet community with a mix of residential properties and agricultural land, reflecting the character of the local countryside. The area is accessible by road, with nearby towns providing essential services and amenities. The village has a long-standing presence in the region, with records indicating settlement dating back several centuries.
School Ratings in Castle-upon-Alun
Families in Castle-upon-Alun have access to 28 local schools.
House Prices in Castle-upon-Alun
Homes sell for an average of £170K locally. Most of the housing is made up of terraced houses, averaging £108K.
Crime and Anti-Social Behaviour in Castle-upon-Alun
Crime in the area is lower than the national average. Public order is the leading concern across Castle-upon-Alun, with 13 incidents recorded in January 2026.
Broadband and Mobile Internet in Castle-upon-Alun
Castle-upon-Alun benefits from solid broadband infrastructure, including superfast and ultrafast services. Mobile reception across 4G and 5G is dependable in most locations. For the latest speed predictions, visit Ofcom's broadband checker.
Property Prices 4,101 sales
Schools & Education 12 nearby View all schools
Crime in Castle-upon-Alun 105 crimes · January 2026
Crime levels in Castle-upon-Alun are lower than the England and Wales average. While violence & sexual offences is the most frequently recorded category, the overall picture is one of a settled and secure town where serious incidents remain uncommon.
Crime figures depend on reporting by individual police forces and may not reflect the full picture in all areas.



