GDR21 LIMITED Company number 08085301 · Monitor this company Dissolved Overview People 2 Financial Documents Analysis Location Related Registered office Address18 HIGH STREET, ASHWELL, BALDOCK, HERTFORDSHIRE, ENGLAND, SG7 5NW PostcodeSG7 5NW Companies at this postcode 5 Average house price in SG7 5NW £786,000 (12 sales) Map