AMETHYST QUARTZ CONSULTANCY LTD Company number 11545757 · Monitor this company Active Overview People 1 Financial Control Charges Documents Analysis Location Related Registered office Address42 Parkthorne Drive, Harrow, England, HA2 7BU PostcodeHA2 7BU Companies at this postcode 25 Average house price in HA2 7BU £723,000 (28 sales) Map