Blackheath is an area in Southeast London, straddling the border of the Royal Borough of Greenwich and the London Borough of Lewisham. Historically within the county of Kent, it is located 1-mile (1.6 km) northeast of Lewisham, 1.5 miles (2.4 km) south of Greenwich and 6.4 miles (10.3 km) southeast of Charing Cross, the traditional centre of...