SECURITY DEFENCE GROUP LTD. Company number 11773620 · Monitor this company Active - Proposal to Strike off Overview People 6 Financial Control Documents Analysis Location Related Registered office Address3-9 Yarm Lane 3-9 Yarm Lane, Stockton-On-Tees, England, TS18 3DR PostcodeTS18 3DR Companies at this postcode 34 Average house price in TS18 3DR £320,000 (3 sales) Map