DOUGLAS STEWART LIMITED Company number 07177806 · Monitor this company Active Overview People 3 Financial Control Documents Analysis Location Related Registered office AddressBlack Swan House, 23 Baldock Street, Ware, Hertfordshire, SG12 9DH PostcodeSG12 9DH Companies at this postcode 107 Average house price in SG12 9DH £426,000 (13 sales) Map