BLUE 9 SECURITY LIMITED Company number 05932585 · Monitor this company Active Overview People 6 Financial Control Charges Documents Analysis Location Related Registered office Address2 Mountside, Stanmore, Middlesex, England, HA7 2DT PostcodeHA7 2DT Companies at this postcode 498 Average house price in HA7 2DT £396,000 (2 sales) Map