HALLNET LIMITED Company number 03592955 · Monitor this company Active Overview People 9 Financial Control Charges Documents Analysis Location Related Registered office AddressThird Floor Yarnwicke, 119-121 Cannon Street, London, England, EC4N 5AT PostcodeEC4N 5AT Companies at this postcode 115 Average house price in EC4N 5AT £428,000 (2 sales) Map