TRIUMPH SECURITY CO LIMITED Company number 10696174 · Monitor this company Active Overview People 1 Financial Control Documents Analysis Location Related Registered office Address2 Valentine Lane, Thornwell, Chepstow, Monmouthshire, Wales, NP16 5TH PostcodeNP16 5TH Companies at this postcode 10 Average house price in NP16 5TH £255,000 (43 sales) Map