here we are it came under Rowley Regis
which was staffs
"Blackheath was part of the borough of Rowley Regis until 1966, when it became part of the county borough of Warley. Since 1974 it was formed part of the metropolitan borough of Sandwell"
wikki
rowley was split betw Dudley regis district and Staffs...so some civil regis you get from Sandwell and some from Dudley depending of the area in RRegis
from Genuki
Hamlets in the parish are Blackheath, Corngreaves, Cradley Heath, Gosty Hill, Haden Cross, Haden Hill, Hayseech, Knoll, Lye Cross, Newtown, Oakum, Old Hill, Portway, Reddal Hill, Slack Hillock, Tipety Green, Tividale, Turner's Hill, Windmill End and Whiteheath Gate "
http://www.ukbmd.org.uk/genuki/REG/dist ... regis.html