WILLIAMS DRAINAGE CONTRACTORS LIMITED Company number 11147735 · Monitor this company Active Overview People 1 Financial Control Documents Analysis Location Related Registered office Address5 Gellifaelog Terrace, Penydarren, Merthyr Tydfil, United Kingdom, CF47 9HL PostcodeCF47 9HL Companies at this postcode 4 Average house price in CF47 9HL £124,000 (21 sales) Map