290 LIMITED Company number 13002492 · Monitor this company Dissolved Overview People 1 Control Documents Analysis Location Related Registered office AddressWhiteline. Unit 4. Medway Gorseinon Road, Penllergaer, Swansea, Wales, SA4 9GE PostcodeSA4 9GE Companies at this postcode 27 Average house price in SA4 9GE £655,000 (3 sales) Map