BLACK SQUARE (HERTS) LIMITED Company number 12334287 · Monitor this company Active - Proposal to Strike off Overview People 1 Financial Control Documents Analysis Location Related Registered office AddressFlat 205a, 19 Station Road, Barnet, England, EN5 1QJ PostcodeEN5 1QJ Companies at this postcode 47 Average house price in EN5 1QJ £525,000 (41 sales) Map