Since the commencement of his career in 1992 Jason Irwin has become one of the most decorated real estate agents in the Southern Adelaide Hills region, with countless awards and a legion of loyal repeat clients that are now more like friends. Those friendships and the associated trust thatâs resulted, have now merged from Century 21 (C21) to the grand opening of Jason Irwin Real Estate. At Jason Irwin Real Estate we are driven by cutting edge technology, with the innovative use of the internet and all the latest technological breakthroughs that occur within the Real Estate Industry. Our officeâs prime central position is front and centre to all of what makes Aberfoyle Park great.