SECURITY CRITICAL LIMITED Company number 12214308 · Monitor this company Dissolved Overview People 2 Financial Control Documents Analysis Location Related Registered office Address8 Rolls Wood House, 8 The Holt, Welwyn Garden City, England, AL7 2HU PostcodeAL7 2HU Companies at this postcode 9 Average house price in AL7 2HU £658,000 (12 sales) Map