BLACKPOWDER LTD Company number 04451255 · Monitor this company Dissolved Overview People 6 Financial Control Documents Analysis Location Related Registered office Address41 ENDERBY AVENUE, ST. HELENS, MERSEYSIDE, ENGLAND, WA11 9JN PostcodeWA11 9JN Companies at this postcode 3 Average house price in WA11 9JN £214,000 (16 sales) Map