COMPEX INSTRUMENTATION JD LIMITED Company number 08142677 · Monitor this company Dissolved Overview People 1 Financial Control Documents Analysis Location Related Registered office AddressYELVERTON HOUSE, ST JOHN STREET, WHITLAND, CARMARTHENSHIRE, SA34 0AW PostcodeSA34 0AW Companies at this postcode 60 Average house price in SA34 0AW £274,000 (4 sales) Map