The estate of David Hugh Roberts, worth 2 million pounds, had eluded the heir hunters for five years. He died a recluse in a flat near Wimbledon and the team has tried unsuccessfully to find living relatives. Now though there is fresh hope as new records are available. Penny Belchambers died in a 600,000 pound flat in Kensington. The search for her heirs uncovers the tale of Polish war pilot Witold Lanowski who flew with the RAF during the Second World War. Plus there are details of three more unclaimed estates, and could you be an heir?