William Porteous

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William Porteous (born 1945) is an Australian land developer and real estate agent.


Born in Ottawa, Canada,[1] Porteous was raised and educated in Halifax, Nova Scotia. He attended Simon Fraser University in British Columbia where he attained a Bachelor of Arts degree in Resource Management and Town Planning. He worked for a short time as a trainee stock broker trader before coming to Australia in September 1970, when he was employed by the Bond Corporation from 1971 to 1979 as their project manager for various large Bond Corporation ventures.[1]

Porteous undertook several substantial property development projects of his own in Western Australia. In 1979 he accepted Acton Consolidated's offer to join their organization. He was appointed a director and partner of the Acton Group in 1983. In 2008, he embarked on his own and created William Porteous Properties International. Porteous specialises in prestige properties and developments. He is best known for his success in the top price range luxury properties and developments, especially in the Western suburbs, and as an auctioneer. In December 2009 he sold a property in Mosman Park, Western Australia for A$57.5 million, setting a record for the most expensive house ever sold in Australia.[2]

On 25 June 1992, he married Perth socialite Rose Lacson whose former husband (deceased a few months earlier) was Lang Hancock, the iron ore magnate, William's friend. William and Rose divorced in 2012.[3]


  1. ^ a b "Willie's world". The Sunday Times. Australia. 22 June 2007. Retrieved 11 September 2011. 
  2. ^ Sonti, Chalpat (8 December 2009). "Bennett mansion sold for Australian record price". WA Today. Australia. Retrieved 11 September 2011. 
  3. ^ Clarke, Jenna (9 July 2012). "Thorn in Rinehart's side files for divorce - again". watoday.com.au. Retrieved 9 July 2012.