About Greencastle
Greencastle is a small area located in the county of Belfast, Northern Ireland, within the BT3 postcode area. It lies along the shores of Belfast Lough, offering views of the water and surrounding landscapes. The area is primarily residential, with a mix of local amenities that cater to the needs of its residents. Nearby, you can find various recreational opportunities, including parks and walking paths along the waterfront. Greencastle is also close to the city centre of Belfast, making it convenient for those who wish to explore the larger urban area while enjoying a quieter residential environment. The local community is friendly, and there are several shops and services available for everyday needs.
Crime and Anti-Social Behaviour in Greencastle
Local crime rates sit higher than national averages. Anti-social behaviour accounts for the highest share in Greencastle, with 297 incidents logged in January 2026.
Broadband and Mobile Internet in Greencastle
Superfast broadband reaches parts of Greencastle, though coverage is not uniform. 4G mobile signal is available in most areas, with 5G access more limited. For the latest speed predictions, visit Ofcom's broadband checker.
Crime in Greencastle 1,065 crimes · January 2026
Reported crime in Greencastle is above the national average when measured per capita. Anti-social behaviour dominates the figures, a trend mirrored in many urban centres. Local policing teams work actively in the area, and community initiatives continue to address key concerns.
Crime figures depend on reporting by individual police forces and may not reflect the full picture in all areas.