CASTELL MON LIMITED Company number 01311998 · Monitor this company Active Overview People 8 Financial Control Charges Documents Analysis Location Related Registered office Address9 Chestnut Court, Parc Menai, Bangor, Gwynedd, LL57 4FH PostcodeLL57 4FH Companies at this postcode 142 Average house price in LL57 4FH £304,000 (4 sales) Map