HELICAL (JARROW) LIMITED Company number 09666108 · Monitor this company Dissolved Overview People 8 Control Charges Documents Analysis Location Related Registered office Address5 HANOVER SQUARE, LONDON, UNITED KINGDOM, W1S 1HQ PostcodeW1S 1HQ Companies at this postcode 233 Average house price in W1S 1HQ £602,000 (2 sales) Map