CASTLE HYDROPONICS LIMITED Company number 07306781 · Monitor this company Active Overview People 2 Financial Control Documents Analysis Location Related Registered office AddressUnit 31 Winpenny Road, Parkhouse Industrial Estate East, Newcastle, England, ST5 7RH PostcodeST5 7RH Companies at this postcode 63 Average house price in ST5 7RH £332,000 (11 sales) Map