APTECH SYSTEMS LIMITED Company number 06980624 · Monitor this company Active Overview People 6 Financial Control Documents Analysis Location Related Registered office AddressUnit 7 Campus 5, Third Avenue, Letchworth Garden City, Herts, United Kingdom, SG6 2JF PostcodeSG6 2JF Companies at this postcode 15 Average house price in SG6 2JF £637,000 (2 sales) Map