Area Overview for CF4 9YA

CF4 9YA is a small residential postcode in north Cardiff, Wales, nestled south of Caerphilly. With a population of 1,517, it forms part of Thornhill, a community developed in 2016 as one of Cardiff’s new districts. Originally part of Llanishen, Thornhill is a modern suburb with housing predominantly built in the late 1980s and 1990s. The area features a central precinct with a community centre, Sainsbury’s supermarket (including a Post Office and pharmacy), and North Cardiff Medical Centre. Thornhill’s character blends suburban living with historical nods, such as the remains of Castell Morgraig castle near its border with Caerphilly. Daily life here is defined by convenience, with retail, transport, and healthcare amenities within easy reach. The area attracts a mix of young families and retirees, drawn by its proximity to Cardiff’s urban amenities and quieter residential environment. Its planned design, initially featuring green spaces, has evolved into a compact, well-serviced community with a strong local identity.

The population of CF4 9YA has a median age of 47, with the most common age range being adults aged 30–64 years. This suggests a stable, mature community with a focus on family life and long-term residency. Home ownership is high, at 78%, indicating a predominance of owner-occupied properties. The area is characterised by houses rather than flats, reflecting a suburban, family-friendly layout. The predominant ethnic group is White, aligning with broader trends in the region. The absence of specific deprivation data means no direct commentary on economic challenges, but the high home ownership rate and age profile imply a relatively secure, established demographic. This profile supports a community with low turnover and a strong sense of local continuity, where residents are likely to have long-term ties to the area.