CASTLEMAINS DEVELOPMENTS LIMITED Company number 04512761 · Monitor this company Active Overview People 7 Financial Control Charges Documents Analysis Location Related Registered office Address17 Walkergate, Berwick-Upon-Tweed, Northumberland, United Kingdom, TD15 1DJ PostcodeTD15 1DJ Companies at this postcode 392 Average house price in TD15 1DJ £321,000 (5 sales) Map