BRITAIN IRELAND SCOTLAND YOUNG PEOPLE WOMEN The Marquess of Salisbury RESULTS 2006 Ranking Worth Industry 238= £250m Property, land and art Salisbury, 59, is the master of Hatfield House in Hertfordshire, a treasure trove of paintings. The art is worth £125m, which we cut in half on tax grounds. Hatfield has a 3,000-acre park and woodland. There is also Cranborne Manor, the estate in Dorset. The family’s company, Gascoyne Holdings, owns property in London. RESULTS 2005 Ranking 192= Worth 2005: £250m