KEYHOLE SERVICES MASTER LOCKSMITHS LIMITED Company number 03868115 · Monitor this company Active Overview People 7 Financial Control Documents Analysis Location Related Registered office Address44-46 Mill Street, Armthorpe, Doncaster, South Yorkshire, DN3 3DL PostcodeDN3 3DL Companies at this postcode 26 Average house price in DN3 3DL £898,000 (3 sales) Map