GWALLGOFIAID CYF. Company number 04737171 · Monitor this company Active Overview People 14 Financial Control Charges Documents Analysis Location Related Registered office AddressCell B, Park Square, Blaenau Ffestiniog, Gwynedd, LL41 3AD PostcodeLL41 3AD Companies at this postcode 3 Average house price in LL41 3AD £114,000 (26 sales) Map