MAINWARINGS DEVELOPMENTS LIMITED Company number 13271393 · Monitor this company Active Overview People 2 Financial Control Documents Analysis Location Related Registered office AddressBryn Cathan Heol Waun Ddwfn, Betws, Ammanford, Carmarthenshire, United Kingdom, SA18 2PA PostcodeSA18 2PA Companies at this postcode 3 Average house price in SA18 2PA £209,000 (6 sales) Map