CORNERSTONE EQUITY GROUP LTD Company number 16467157 · Monitor this company Active Overview People 1 Control Documents Analysis Location Related Registered office AddressGarden Flat 53 Overland Road Garden Flat 53 Overland Road, Mumbles, Swansea, Wales, SA3 4EU PostcodeSA3 4EU Companies at this postcode 8 Average house price in SA3 4EU £485,000 (27 sales) Map